Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.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 0.0009065/0.0009065, allocations: 93.06 kB / 19.65 MB, free: 276 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 0.0009365/0.0009365, allocations: 165 kB / 23.02 MB, free: 1.547 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 1.046/1.046, allocations: 177.1 MB / 203.4 MB, free: 5.641 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ExternalMedia 4.1.1/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ExternalMedia 4.1.1/package.mo): time 0.007963/0.007963, allocations: 1.984 MB / 261.9 MB, free: 11.06 MB / 250.7 MB " [Timeout remaining time 180] Using package ExternalMedia with version 4.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ExternalMedia 4.1.1/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(ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit,tolerance=1e-06,outputFormat="empty",numberOfIntervals=1000,variableFilter="",fileNamePrefix="ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit") translateModel(ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit,tolerance=1e-06,outputFormat="empty",numberOfIntervals=1000,variableFilter="",fileNamePrefix="ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.763e-06/1.763e-06, allocations: 0 / 332.3 MB, free: 16.97 MB / 266.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.162e-05/2.338e-05, allocations: 6.25 kB / 332.3 MB, free: 16.96 MB / 266.7 MB Notification: Performance of NFInst.instantiate(ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit): time 0.01249/0.01252, allocations: 15.3 MB / 347.6 MB, free: 1.602 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.01074/0.02326, allocations: 13.69 MB / 361.3 MB, free: 3.867 MB / 282.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0003988/0.02366, allocations: 11.94 kB / 361.3 MB, free: 3.855 MB / 282.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0007043/0.02436, allocations: 333.4 kB / 361.6 MB, free: 3.527 MB / 282.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ExternalMedia 4.1.1/Media/BaseClasses/ExternalTwoPhaseMedium.mo:1148:25-1162:18:writable] Warning: Pure function 'ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.Medium.setDewState' contains a call to impure function 'ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.Medium.setState_ph'. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ExternalMedia 4.1.1/Media/BaseClasses/ExternalTwoPhaseMedium.mo:1132:25-1146:21:writable] Warning: Pure function 'ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.Medium.setBubbleState' contains a call to impure function 'ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.Medium.setState_ph'. Notification: Performance of NFTyping.typeBindings: time 0.003125/0.02749, allocations: 1.869 MB / 363.5 MB, free: 1.645 MB / 282.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/ExternalMedia 4.1.1/Media/BaseClasses/ExternalTwoPhaseMedium.mo:1092:15-1106:21:writable] Warning: Pure function 'ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.Medium.setSat_p_state' contains a call to impure function 'ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.Medium.setSat_p'. Notification: Performance of NFTyping.typeClassSections: time 0.001829/0.02932, allocations: 0.9904 MB / 364.5 MB, free: 0.6484 MB / 282.7 MB Notification: Performance of NFFlatten.flatten: time 0.001418/0.03074, allocations: 1.83 MB / 366.3 MB, free: 14.8 MB / 298.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000143/0.03088, allocations: 55.48 kB / 366.4 MB, free: 14.74 MB / 298.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004487/0.03537, allocations: 0.8974 MB / 367.3 MB, free: 13.88 MB / 298.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0004389/0.0358, allocations: 490.6 kB / 367.8 MB, free: 13.39 MB / 298.7 MB Notification: Performance of NFPackage.collectConstants: time 7.494e-05/0.03588, allocations: 72 kB / 367.8 MB, free: 13.32 MB / 298.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.00159/0.03747, allocations: 0.7652 MB / 368.6 MB, free: 12.56 MB / 298.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0001456/0.03762, allocations: 214.8 kB / 368.8 MB, free: 12.35 MB / 298.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0003731/0.03799, allocations: 474.8 kB / 369.3 MB, free: 11.88 MB / 298.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001519/0.03951, allocations: 1.467 MB / 370.7 MB, free: 10.41 MB / 298.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.829e-06/0.03951, allocations: 0 / 370.7 MB, free: 10.41 MB / 298.7 MB Notification: Performance of FrontEnd: time 1.322e-06/0.03951, allocations: 0 / 370.7 MB, free: 10.41 MB / 298.7 MB Notification: Performance of Transformations before backend: time 1.029e-05/0.03952, allocations: 0 / 370.7 MB, free: 10.41 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: 438 * Number of variables: 438 Notification: Performance of Generate backend data structure: time 0.001411/0.04094, allocations: 1.684 MB / 372.4 MB, free: 8.68 MB / 298.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.716e-05/0.04097, allocations: 8.031 kB / 372.4 MB, free: 8.672 MB / 298.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003568/0.04454, allocations: 3.023 MB / 375.4 MB, free: 5.645 MB / 298.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005816/0.04512, allocations: 438.8 kB / 375.9 MB, free: 5.188 MB / 298.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.75e-05/0.04518, allocations: 86.5 kB / 376 MB, free: 5.102 MB / 298.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 8.785e-05/0.04527, allocations: 108.4 kB / 376.1 MB, free: 4.996 MB / 298.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001311/0.04658, allocations: 1.241 MB / 377.3 MB, free: 3.645 MB / 298.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.139e-05/0.0466, allocations: 8.125 kB / 377.3 MB, free: 3.637 MB / 298.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.392e-05/0.04665, allocations: 44.12 kB / 377.4 MB, free: 3.594 MB / 298.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.957e-05/0.0467, allocations: 91.92 kB / 377.4 MB, free: 3.504 MB / 298.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008668/0.04757, allocations: 0.6933 MB / 378.1 MB, free: 2.812 MB / 298.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003765/0.05133, allocations: 5.152 MB / 383.3 MB, free: 13.54 MB / 314.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006822/0.05202, allocations: 435 kB / 383.7 MB, free: 13.1 MB / 314.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003291/0.05235, allocations: 303.2 kB / 384 MB, free: 12.79 MB / 314.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.00119/0.05354, allocations: 1.566 MB / 385.6 MB, free: 11.21 MB / 314.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.574e-05/0.05356, allocations: 37.39 kB / 385.6 MB, free: 11.16 MB / 314.7 MB Notification: Performance of pre-optimization done (n=194): time 1.894e-06/0.05356, allocations: 0 / 385.6 MB, free: 11.16 MB / 314.7 MB Notification: Performance of matching and sorting (n=194): time 0.001348/0.05491, allocations: 1.129 MB / 386.7 MB, free: 10.03 MB / 314.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.398e-05/0.05495, allocations: 77.11 kB / 386.8 MB, free: 9.934 MB / 314.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000151/0.0551, allocations: 271.2 kB / 387.1 MB, free: 9.648 MB / 314.7 MB Notification: Performance of collectPreVariables (initialization): time 2.692e-05/0.05512, allocations: 29.7 kB / 387.1 MB, free: 9.613 MB / 314.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001809/0.0553, allocations: 0.4928 MB / 387.6 MB, free: 9.109 MB / 314.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002874/0.05559, allocations: 0.6309 MB / 388.2 MB, free: 8.473 MB / 314.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001692/0.05576, allocations: 187.7 kB / 388.4 MB, free: 8.281 MB / 314.7 MB Notification: Performance of setup shared object (initialization): time 0.0001107/0.05587, allocations: 0.4886 MB / 388.9 MB, free: 7.785 MB / 314.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002013/0.05607, allocations: 154.4 kB / 389.1 MB, free: 7.637 MB / 314.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003689/0.05644, allocations: 0.4926 MB / 389.6 MB, free: 7.02 MB / 314.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006487/0.05709, allocations: 0.783 MB / 390.3 MB, free: 6.109 MB / 314.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.709e-06/0.0571, allocations: 8 kB / 390.3 MB, free: 6.102 MB / 314.7 MB Notification: Performance of matching and sorting (n=222) (initialization): time 0.0008253/0.05792, allocations: 0.8408 MB / 391.2 MB, free: 5.258 MB / 314.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.747e-05/0.05794, allocations: 8 kB / 391.2 MB, free: 5.25 MB / 314.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.247e-06/0.05795, allocations: 12.09 kB / 391.2 MB, free: 5.238 MB / 314.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.891e-05/0.05797, allocations: 8 kB / 391.2 MB, free: 5.23 MB / 314.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002136/0.05818, allocations: 95.89 kB / 391.3 MB, free: 5.137 MB / 314.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005896/0.05877, allocations: 1.802 MB / 393.1 MB, free: 3.277 MB / 314.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002174/0.05899, allocations: 118.9 kB / 393.2 MB, free: 3.16 MB / 314.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.302e-05/0.05902, allocations: 31.98 kB / 393.3 MB, free: 3.129 MB / 314.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 30 * Number of states: 0 () * Number of discrete variables: 14 (medium2.completeBubbleDewStates.bubbleStateTwoPhase.state.phase,medium2.completeBubbleDewStates.bubbleStateOnePhase.state.phase,medium2.completeBubbleDewStates.dewStateTwoPhase.state.phase,medium2.completeBubbleDewStates.dewStateOnePhase.state.phase,medium2.completeState.state.phase,medium2.baseProperties.phaseOutput,medium1.completeBubbleDewStates.bubbleStateTwoPhase.state.phase,medium1.completeBubbleDewStates.bubbleStateOnePhase.state.phase,medium1.completeBubbleDewStates.dewStateTwoPhase.state.phase,medium1.completeBubbleDewStates.dewStateOnePhase.state.phase,medium1.completeState.state.phase,medium1.baseProperties.phaseOutput,medium2.baseProperties.phaseInput,medium1.baseProperties.phaseInput) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (56): * Single equations (assignments): 42 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 12 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0001987/0.05922, allocations: 208.5 kB / 393.5 MB, free: 2.914 MB / 314.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.617e-05/0.05931, allocations: 63.53 kB / 393.5 MB, free: 2.852 MB / 314.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.567e-05/0.05937, allocations: 52.95 kB / 393.6 MB, free: 2.793 MB / 314.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.761e-06/0.05938, allocations: 4 kB / 393.6 MB, free: 2.789 MB / 314.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.11e-06/0.05938, allocations: 0 / 393.6 MB, free: 2.789 MB / 314.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.637e-06/0.05939, allocations: 0 / 393.6 MB, free: 2.789 MB / 314.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006021/0.05999, allocations: 0.7163 MB / 394.3 MB, free: 2.035 MB / 314.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.775e-06/0.05999, allocations: 0 / 394.3 MB, free: 2.035 MB / 314.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001193/0.06011, allocations: 51.91 kB / 394.3 MB, free: 1.984 MB / 314.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.605e-06/0.06011, allocations: 4 kB / 394.3 MB, free: 1.98 MB / 314.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.188e-05/0.06013, allocations: 12 kB / 394.4 MB, free: 1.969 MB / 314.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004739/0.06061, allocations: 1.794 MB / 396.2 MB, free: 120 kB / 314.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.132e-06/0.06061, allocations: 0 / 396.2 MB, free: 120 kB / 314.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008063/0.06142, allocations: 0.9908 MB / 397.1 MB, free: 15.11 MB / 330.7 MB Notification: Performance of postOpt removeConstants (simulation): time 5.694e-05/0.06147, allocations: 87.16 kB / 397.2 MB, free: 15.02 MB / 330.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.28e-05/0.0615, allocations: 7.938 kB / 397.2 MB, free: 15.02 MB / 330.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001505/0.06166, allocations: 16.11 kB / 397.3 MB, free: 15 MB / 330.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.936e-05/0.06172, allocations: 35.95 kB / 397.3 MB, free: 14.96 MB / 330.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.126e-05/0.06176, allocations: 16 kB / 397.3 MB, free: 14.95 MB / 330.7 MB Notification: Performance of sorting global known variables: time 7.181e-05/0.06183, allocations: 169 kB / 397.5 MB, free: 14.79 MB / 330.7 MB Notification: Performance of sort global known variables: time 5e-08/0.06183, allocations: 0 / 397.5 MB, free: 14.79 MB / 330.7 MB Notification: Performance of remove unused functions: time 0.0005276/0.06236, allocations: 375 kB / 397.8 MB, free: 14.42 MB / 330.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 0 () * Number of discrete variables: 12 (medium2.baseProperties.phaseOutput,medium2.completeState.state.phase,medium2.completeBubbleDewStates.dewStateOnePhase.state.phase,medium2.completeBubbleDewStates.dewStateTwoPhase.state.phase,medium2.completeBubbleDewStates.bubbleStateOnePhase.state.phase,medium2.completeBubbleDewStates.bubbleStateTwoPhase.state.phase,medium1.baseProperties.phaseOutput,medium1.completeState.state.phase,medium1.completeBubbleDewStates.dewStateOnePhase.state.phase,medium1.completeBubbleDewStates.dewStateTwoPhase.state.phase,medium1.completeBubbleDewStates.bubbleStateOnePhase.state.phase,medium1.completeBubbleDewStates.bubbleStateTwoPhase.state.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (28): * Single equations (assignments): 14 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 12 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0003383/0.06269, allocations: 193.9 kB / 398 MB, free: 14.23 MB / 330.7 MB Notification: Performance of simCode: created initialization part: time 0.00115/0.06384, allocations: 1.537 MB / 399.6 MB, free: 12.52 MB / 330.7 MB Notification: Performance of simCode: created event and clocks part: time 3.176e-06/0.06385, allocations: 7.938 kB / 399.6 MB, free: 12.51 MB / 330.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0009978/0.06484, allocations: 1.974 MB / 401.5 MB, free: 10.09 MB / 330.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001317/0.06616, allocations: 0.5391 MB / 402.1 MB, free: 9.605 MB / 330.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002319/0.06848, allocations: 2.206 MB / 404.3 MB, free: 7.348 MB / 330.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002807/0.06876, allocations: 355 kB / 404.6 MB, free: 6.969 MB / 330.7 MB Notification: Performance of simCode: alias equations: time 0.0005412/0.0693, allocations: 324.6 kB / 405 MB, free: 6.656 MB / 330.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001321/0.06943, allocations: 100.5 kB / 405.1 MB, free: 6.555 MB / 330.7 MB Notification: Performance of SimCode: time 6.91e-07/0.06944, allocations: 4 kB / 405.1 MB, free: 6.551 MB / 330.7 MB Notification: Performance of Templates: time 0.1308/0.2002, allocations: 24.34 MB / 429.4 MB, free: 74.61 MB / 330.7 MB " [Timeout remaining time 660] make -j1 -f ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.makefile [Timeout 660] (rm -f ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.pipe ; mkfifo ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.pipe ; head -c 1048576 < ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.pipe >> ../files/ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.sim & ./ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit -abortSlowSimulation -alarm=240 -lv LOG_STATS > ExternalMedia_ExternalMedia.Test.TestMedium.TestBasePropertiesImplicit.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 3.7365130810067058]