Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2.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 0.002013/0.002013, allocations: 93.47 kB / 19.44 MB, free: 336 kB / 13.93 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 0.002144/0.002144, allocations: 169.2 kB / 22.76 MB, free: 1.664 MB / 18.57 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 1.54/1.54, allocations: 177.1 MB / 203.1 MB, free: 5.551 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenHydraulics main/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenHydraulics main/package.mo): time 0.06121/0.06121, allocations: 8.706 MB / 268.3 MB, free: 4.602 MB / 250.7 MB " [Timeout remaining time 180] Using package OpenHydraulics with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenHydraulics main/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: translateModel(OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2") translateModel(OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2,tolerance=1e-08,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.443e-06/1.443e-06, allocations: 0 / 340.1 MB, free: 8.434 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.437e-05/2.581e-05, allocations: 4.984 kB / 340.1 MB, free: 8.43 MB / 266.7 MB Notification: Performance of NFInst.instantiate(OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2): time 0.008193/0.008219, allocations: 9.386 MB / 349.5 MB, free: 15 MB / 282.7 MB Notification: Performance of NFInst.instExpressions: time 0.0104/0.01862, allocations: 4.774 MB / 354.3 MB, free: 10.21 MB / 282.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001675/0.02029, allocations: 39.69 kB / 354.3 MB, free: 10.17 MB / 282.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001451/0.02174, allocations: 0.59 MB / 354.9 MB, free: 9.578 MB / 282.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003425/0.02517, allocations: 1.277 MB / 356.2 MB, free: 8.293 MB / 282.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.003677/0.02884, allocations: 1.477 MB / 357.7 MB, free: 6.812 MB / 282.7 MB Notification: Performance of NFFlatten.flatten: time 0.005606/0.03445, allocations: 3.565 MB / 361.2 MB, free: 3.234 MB / 282.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001134/0.03558, allocations: 499.1 kB / 361.7 MB, free: 2.715 MB / 282.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003142/0.03873, allocations: 1.754 MB / 363.5 MB, free: 0.957 MB / 282.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.002074/0.0408, allocations: 1.126 MB / 364.6 MB, free: 15.83 MB / 298.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0005386/0.04134, allocations: 248 kB / 364.8 MB, free: 15.59 MB / 298.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001116/0.04245, allocations: 479.7 kB / 365.3 MB, free: 15.12 MB / 298.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0007816/0.04324, allocations: 0.6694 MB / 366 MB, free: 14.45 MB / 298.7 MB Notification: Performance of NFVerifyModel.verify: time 0.001869/0.0451, allocations: 0.9 MB / 366.9 MB, free: 13.54 MB / 298.7 MB Notification: Performance of NFConvertDAE.convert: time 0.00495/0.05005, allocations: 3.603 MB / 370.5 MB, free: 9.93 MB / 298.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.017e-06/0.05006, allocations: 0 / 370.5 MB, free: 9.93 MB / 298.7 MB Notification: Performance of FrontEnd: time 9.82e-07/0.05006, allocations: 0 / 370.5 MB, free: 9.93 MB / 298.7 MB Notification: Performance of Transformations before backend: time 6.915e-05/0.05013, allocations: 0 / 370.5 MB, free: 9.93 MB / 298.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 401 * Number of variables: 401 Notification: Performance of Generate backend data structure: time 0.006745/0.05687, allocations: 3.292 MB / 373.8 MB, free: 6.531 MB / 298.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.689e-05/0.05692, allocations: 8.031 kB / 373.8 MB, free: 6.523 MB / 298.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009149/0.05784, allocations: 427 kB / 374.2 MB, free: 6.105 MB / 298.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003105/0.06094, allocations: 1.483 MB / 375.7 MB, free: 4.59 MB / 298.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003617/0.0613, allocations: 345.1 kB / 376 MB, free: 4.203 MB / 298.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003162/0.06162, allocations: 172 kB / 376.2 MB, free: 4.035 MB / 298.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003464/0.06508, allocations: 1.696 MB / 377.9 MB, free: 2.266 MB / 298.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.631e-05/0.06513, allocations: 0 / 377.9 MB, free: 2.266 MB / 298.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001722/0.0653, allocations: 72 kB / 377.9 MB, free: 2.195 MB / 298.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.87e-05/0.06534, allocations: 40 kB / 378 MB, free: 2.156 MB / 298.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003303/0.06864, allocations: 1.529 MB / 379.5 MB, free: 0.582 MB / 298.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01394/0.08258, allocations: 6.9 MB / 386.4 MB, free: 9.441 MB / 314.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.003558/0.08614, allocations: 1.653 MB / 388.1 MB, free: 7.742 MB / 314.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001733/0.08787, allocations: 0.8437 MB / 388.9 MB, free: 6.859 MB / 314.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.000184/0.08805, allocations: 49.22 kB / 389 MB, free: 6.812 MB / 314.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001969/0.09002, allocations: 1.134 MB / 390.1 MB, free: 5.582 MB / 314.7 MB Notification: Performance of pre-optimization done (n=159): time 4.919e-06/0.09003, allocations: 0 / 390.1 MB, free: 5.582 MB / 314.7 MB Notification: Performance of matching and sorting (n=174): time 0.01451/0.1045, allocations: 6.517 MB / 396.6 MB, free: 14.73 MB / 330.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002314/0.1048, allocations: 287 kB / 396.9 MB, free: 14.38 MB / 330.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003469/0.1082, allocations: 2.092 MB / 399 MB, free: 12.27 MB / 330.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0001957/0.1084, allocations: 61.69 kB / 399 MB, free: 12.21 MB / 330.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.001265/0.1097, allocations: 1.138 MB / 400.2 MB, free: 11.06 MB / 330.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0007618/0.1105, allocations: 0.6705 MB / 400.9 MB, free: 10.38 MB / 330.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006792/0.1111, allocations: 385.2 kB / 401.2 MB, free: 10 MB / 330.7 MB Notification: Performance of setup shared object (initialization): time 0.0004641/0.1116, allocations: 480.8 kB / 401.7 MB, free: 9.527 MB / 330.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001456/0.1131, allocations: 0.7513 MB / 402.5 MB, free: 8.727 MB / 330.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00202/0.1151, allocations: 1.322 MB / 403.8 MB, free: 7.191 MB / 330.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.004968/0.1201, allocations: 2.86 MB / 406.6 MB, free: 4.07 MB / 330.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.252e-05/0.1201, allocations: 7.938 kB / 406.6 MB, free: 4.062 MB / 330.7 MB Notification: Performance of matching and sorting (n=218) (initialization): time 0.004814/0.1249, allocations: 2.326 MB / 409 MB, free: 1.625 MB / 330.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.000189/0.1251, allocations: 226.2 kB / 409.2 MB, free: 1.355 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.571e-05/0.1251, allocations: 8 kB / 409.2 MB, free: 1.348 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.000185/0.1253, allocations: 55.67 kB / 409.2 MB, free: 1.289 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00177/0.127, allocations: 391.4 kB / 409.6 MB, free: 0.9062 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1207/0.2477, allocations: 2.239 MB / 411.9 MB, free: 73.34 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001347/0.2491, allocations: 60.52 kB / 411.9 MB, free: 73.34 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001473/0.2492, allocations: 69.77 kB / 412 MB, free: 73.34 MB / 330.7 MB Warning: Assuming fixed start value for the following 8 variables: doubleActingCylinder.cushionHead.reliefValve.valvePosition:VARIABLE(start = 0.0 fixed = true ) \"Normalized valve position (between 0 and 1)\" type: Real doubleActingCylinder.cushionRod.reliefValve.valvePosition:VARIABLE(start = 0.0 fixed = true ) \"Normalized valve position (between 0 and 1)\" type: Real doubleActingCylinder.damper.v_rel:VARIABLE(start = 0.0 unit = \"m/s\" fixed = true stateSelect=StateSelect.prefer ) \"Relative velocity (= der(s_rel))\" type: Real doubleActingCylinder.leakage_Head2Env.port_b.p:VARIABLE(flow=false min = 0.0 start = doubleActingCylinder.cylinderChamberHead.p_init unit = \"Pa\" fixed = true nominal = 1e5 stateSelect=StateSelect.prefer ) \"Pressure in the connection point\" type: Real reliefValve.valvePosition:VARIABLE(start = 0.0 fixed = true ) \"Normalized valve position (between 0 and 1)\" type: Real position.w:VARIABLE(start = 0.0 unit = \"rad/s\" fixed = true stateSelect=StateSelect.prefer ) \"If exact=false, Angular velocity of flange with respect to support else dummy\" type: Real doubleActingCylinder.cushionRod.flowFraction:VARIABLE(fixed = true protected = true ) \"fraction of flow allowed by cushion\" type: Real doubleActingCylinder.cushionHead.flowFraction:VARIABLE(fixed = true protected = true ) \"fraction of flow allowed by cushion\" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 28 * Number of states: 0 () * Number of discrete variables: 11 (reliefValve.variableRestriction.data.zetaLaminarKnown,doubleActingCylinder.cushionRod.reliefValve.variableRestriction.data.zetaLaminarKnown,doubleActingCylinder.cushionRod.cushionRestriction.data.zetaLaminarKnown,doubleActingCylinder.cushionHead.reliefValve.variableRestriction.data.zetaLaminarKnown,doubleActingCylinder.cushionHead.cushionRestriction.data.zetaLaminarKnown,doubleActingCylinder.cylinderChamberRod.empty,doubleActingCylinder.cylinderChamberHead.empty,$whenCondition4,$whenCondition3,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (215): * Single equations (assignments): 206 * Array equations: 0 * Algorithm blocks: 8 * 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 {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.001055/0.2503, allocations: 0.7511 MB / 412.7 MB, free: 72.93 MB / 330.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000551/0.2508, allocations: 269.2 kB / 413 MB, free: 72.93 MB / 330.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00382/0.2546, allocations: 2.329 MB / 415.3 MB, free: 72.31 MB / 330.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.666e-05/0.2547, allocations: 23.94 kB / 415.4 MB, free: 72.31 MB / 330.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.661e-06/0.2547, allocations: 0 / 415.4 MB, free: 72.31 MB / 330.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.374e-05/0.2547, allocations: 10.84 kB / 415.4 MB, free: 72.31 MB / 330.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007891/0.2626, allocations: 5.022 MB / 420.4 MB, free: 70.33 MB / 330.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.856e-06/0.2626, allocations: 3.969 kB / 420.4 MB, free: 70.33 MB / 330.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001509/0.2641, allocations: 353.7 kB / 420.7 MB, free: 70.3 MB / 330.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.000127/0.2642, allocations: 46.03 kB / 420.8 MB, free: 70.28 MB / 330.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001098/0.2643, allocations: 56.39 kB / 420.8 MB, free: 70.25 MB / 330.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001002/0.2653, allocations: 2.229 MB / 423.1 MB, free: 68.14 MB / 330.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.216e-06/0.2653, allocations: 7.562 kB / 423.1 MB, free: 68.14 MB / 330.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004399/0.2697, allocations: 3.551 MB / 426.6 MB, free: 66.09 MB / 330.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0008745/0.2706, allocations: 397.5 kB / 427 MB, free: 65.93 MB / 330.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003184/0.2709, allocations: 35.53 kB / 427.1 MB, free: 65.9 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008154/0.2717, allocations: 58.36 kB / 427.1 MB, free: 65.88 MB / 330.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002211/0.272, allocations: 145.4 kB / 427.3 MB, free: 65.84 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001108/0.2721, allocations: 66.89 kB / 427.3 MB, free: 65.83 MB / 330.7 MB Notification: Performance of sorting global known variables: time 0.001469/0.2735, allocations: 1.195 MB / 428.5 MB, free: 65.35 MB / 330.7 MB Notification: Performance of sort global known variables: time 9e-08/0.2735, allocations: 3.875 kB / 428.5 MB, free: 65.35 MB / 330.7 MB Notification: Performance of remove unused functions: time 0.001446/0.275, allocations: 0.4978 MB / 429 MB, free: 65.29 MB / 330.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 13 * Number of states: 13 (doubleActingCylinder.cushionHead.reliefValve.valvePosition,doubleActingCylinder.cushionHead.flowFraction,doubleActingCylinder.cushionRod.reliefValve.valvePosition,doubleActingCylinder.cushionRod.flowFraction,doubleActingCylinder.damper.s_rel,doubleActingCylinder.damper.v_rel,doubleActingCylinder.leakage_Head2Env.port_b.p,doubleActingCylinder.leakage_Rod2Env.port_b.p,circuitTank.volumeOpen.m,reliefValve.valvePosition,position.phi,position.w,j1.volumeClosed.port[2].p) * Number of discrete variables: 6 ($whenCondition2,$whenCondition1,$whenCondition3,$whenCondition4,doubleActingCylinder.cylinderChamberHead.empty,doubleActingCylinder.cylinderChamberRod.empty) * Number of discrete states: 2 ($whenCondition3,$whenCondition4) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (191): * Single equations (assignments): 182 * Array equations: 0 * Algorithm blocks: 8 * 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 {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002846/0.2778, allocations: 0.5399 MB / 429.6 MB, free: 65.04 MB / 330.7 MB Notification: Performance of simCode: created initialization part: time 0.003009/0.2808, allocations: 2.636 MB / 432.2 MB, free: 62.37 MB / 330.7 MB Notification: Performance of simCode: created event and clocks part: time 5.209e-06/0.2809, allocations: 0 / 432.2 MB, free: 62.37 MB / 330.7 MB Notification: Performance of simCode: created simulation system equations: time 0.001461/0.2823, allocations: 1.715 MB / 433.9 MB, free: 60.59 MB / 330.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002412/0.2847, allocations: 0.5966 MB / 434.5 MB, free: 60.02 MB / 330.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006129/0.2909, allocations: 4.486 MB / 439 MB, free: 55.42 MB / 330.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008762/0.2917, allocations: 0.9641 MB / 440 MB, free: 54.41 MB / 330.7 MB Notification: Performance of simCode: alias equations: time 0.001176/0.2929, allocations: 334.9 kB / 440.3 MB, free: 54.08 MB / 330.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005142/0.2934, allocations: 184.4 kB / 440.5 MB, free: 53.9 MB / 330.7 MB Notification: Performance of SimCode: time 1.252e-06/0.2934, allocations: 0 / 440.5 MB, free: 53.9 MB / 330.7 MB Notification: Performance of Templates: time 0.0431/0.3365, allocations: 31.78 MB / 472.2 MB, free: 22.56 MB / 330.7 MB " [Timeout remaining time 660] make -j1 -f OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2.makefile [Timeout 660] (rm -f OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2.pipe ; mkfifo OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2.pipe ; head -c 1048576 < OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2.pipe >> ../files/OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2.sim & ./OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2 -abortSlowSimulation -alarm=240 -lv LOG_STATS > OpenHydraulics_OpenHydraulics.DevelopmentTests.DoubleActingCylinderTestSimple2.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.819090222008526]