Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.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 0.0009011/0.0009011, allocations: 92.2 kB / 20.19 MB, free: 4.359 MB / 18.57 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 0.0009638/0.0009638, allocations: 173 kB / 23.49 MB, free: 1.055 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 0.8997/0.8997, allocations: 177.1 MB / 203.8 MB, free: 5.652 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/package.mo): time 0.001602/0.001602, allocations: 241.6 kB / 260.5 MB, free: 12.9 MB / 250.7 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo): time 0.7172/0.7172, allocations: 138.4 MB / 455.4 MB, free: 30.01 MB / 410.7 MB
"
[Timeout remaining time 179]
Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems master/package.mo)
Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 master/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(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1")
translateModel(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=86400,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.463e-06/1.463e-06, allocations: 0 / 0.555 GB, free: 0.5312 MB / 474.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.604e-05/1.75e-05, allocations: 2.312 kB / 0.555 GB, free: 0.5273 MB / 474.7 MB
Notification: Performance of NFInst.instantiate(BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1): time 0.317/0.317, allocations: 152.9 MB / 0.7043 GB, free: 51.12 MB / 0.5573 GB
Notification: Performance of NFInst.instExpressions: time 0.01601/0.333, allocations: 22.06 MB / 0.7258 GB, free: 41.7 MB / 0.5573 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001245/0.3343, allocations: 72.81 kB / 0.7259 GB, free: 41.66 MB / 0.5573 GB
Notification: Performance of NFTyping.typeComponents: time 0.001086/0.3354, allocations: 1.177 MB / 0.727 GB, free: 41.44 MB / 0.5573 GB
Notification: Performance of NFTyping.typeBindings: time 0.0009644/0.3363, allocations: 0.9278 MB / 0.7279 GB, free: 41.12 MB / 0.5573 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0005593/0.3369, allocations: 396.4 kB / 0.7283 GB, free: 40.89 MB / 0.5573 GB
Notification: Performance of NFFlatten.flatten: time 0.0007766/0.3377, allocations: 1.307 MB / 0.7296 GB, free: 40.32 MB / 0.5573 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0004913/0.3382, allocations: 0.5733 MB / 0.7301 GB, free: 39.99 MB / 0.5573 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0005561/0.3387, allocations: 0.7204 MB / 0.7308 GB, free: 39.74 MB / 0.5573 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.000632/0.3393, allocations: 0.943 MB / 0.7318 GB, free: 39.36 MB / 0.5573 GB
Notification: Performance of NFPackage.collectConstants: time 6.937e-05/0.3394, allocations: 68 kB / 0.7318 GB, free: 39.36 MB / 0.5573 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0001423/0.3396, allocations: 118.3 kB / 0.7319 GB, free: 39.34 MB / 0.5573 GB
Notification: Performance of NFScalarize.scalarize: time 0.0001471/0.3397, allocations: 338.8 kB / 0.7323 GB, free: 39.12 MB / 0.5573 GB
Notification: Performance of NFVerifyModel.verify: time 0.0001711/0.3399, allocations: 282.4 kB / 0.7325 GB, free: 38.97 MB / 0.5573 GB
Notification: Performance of NFConvertDAE.convert: time 0.0005409/0.3404, allocations: 0.795 MB / 0.7333 GB, free: 38.49 MB / 0.5573 GB
Notification: Performance of FrontEnd - DAE generated: time 3.397e-06/0.3404, allocations: 2.656 kB / 0.7333 GB, free: 38.49 MB / 0.5573 GB
Notification: Performance of FrontEnd: time 8.02e-07/0.3404, allocations: 0 / 0.7333 GB, free: 38.49 MB / 0.5573 GB
Notification: Performance of Transformations before backend: time 1.063e-05/0.3404, allocations: 0 / 0.7333 GB, free: 38.49 MB / 0.5573 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 107
 * Number of variables: 107
Notification: Performance of Generate backend data structure: time 0.001202/0.3416, allocations: 1.635 MB / 0.7349 GB, free: 37.2 MB / 0.5573 GB
Notification: Performance of prepare preOptimizeDAE: time 3.308e-05/0.3417, allocations: 10.47 kB / 0.7349 GB, free: 37.2 MB / 0.5573 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001398/0.3418, allocations: 173.8 kB / 0.7351 GB, free: 37.12 MB / 0.5573 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004539/0.3423, allocations: 0.6092 MB / 0.7357 GB, free: 36.62 MB / 0.5573 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.292e-05/0.3423, allocations: 101.8 kB / 0.7358 GB, free: 36.54 MB / 0.5573 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 5.151e-05/0.3424, allocations: 49.95 kB / 0.7358 GB, free: 36.52 MB / 0.5573 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.000444/0.3428, allocations: 386.5 kB / 0.7362 GB, free: 36.27 MB / 0.5573 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.569e-05/0.3429, allocations: 2.531 kB / 0.7362 GB, free: 36.27 MB / 0.5573 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.877e-05/0.3429, allocations: 22.89 kB / 0.7362 GB, free: 36.25 MB / 0.5573 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.105e-05/0.3429, allocations: 11.5 kB / 0.7362 GB, free: 36.25 MB / 0.5573 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002804/0.3432, allocations: 160.7 kB / 0.7364 GB, free: 36.2 MB / 0.5573 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001631/0.3448, allocations: 1.816 MB / 0.7382 GB, free: 34.86 MB / 0.5573 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0003986/0.3452, allocations: 256 kB / 0.7384 GB, free: 34.74 MB / 0.5573 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002627/0.3455, allocations: 184.4 kB / 0.7386 GB, free: 34.66 MB / 0.5573 GB
Notification: Performance of preOpt evalFunc (simulation): time 2.143e-05/0.3455, allocations: 6.172 kB / 0.7386 GB, free: 34.66 MB / 0.5573 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000233/0.3457, allocations: 202.7 kB / 0.7388 GB, free: 34.52 MB / 0.5573 GB
Notification: Performance of pre-optimization done (n=44): time 1.824e-06/0.3457, allocations: 0 / 0.7388 GB, free: 34.52 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=44): time 0.001132/0.3469, allocations: 0.724 MB / 0.7395 GB, free: 34.17 MB / 0.5573 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 2.435e-05/0.3469, allocations: 56.91 kB / 0.7395 GB, free: 34.11 MB / 0.5573 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007419/0.3476, allocations: 1.267 MB / 0.7408 GB, free: 33.47 MB / 0.5573 GB
Notification: Performance of collectPreVariables (initialization): time 2.357e-05/0.3476, allocations: 35.95 kB / 0.7408 GB, free: 33.43 MB / 0.5573 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002495/0.3479, allocations: 0.6164 MB / 0.7414 GB, free: 32.9 MB / 0.5573 GB
Notification: Performance of collectInitialBindings (initialization): time 6.874e-05/0.348, allocations: 146.4 kB / 0.7416 GB, free: 32.77 MB / 0.5573 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 9.473e-05/0.3481, allocations: 114.6 kB / 0.7417 GB, free: 32.7 MB / 0.5573 GB
Notification: Performance of setup shared object (initialization): time 5.657e-05/0.3481, allocations: 0.4984 MB / 0.7421 GB, free: 32.2 MB / 0.5573 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001263/0.3482, allocations: 79.55 kB / 0.7422 GB, free: 32.17 MB / 0.5573 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.000164/0.3484, allocations: 243.9 kB / 0.7425 GB, free: 31.94 MB / 0.5573 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0002873/0.3487, allocations: 347.2 kB / 0.7428 GB, free: 31.65 MB / 0.5573 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.995e-06/0.3487, allocations: 3 kB / 0.7428 GB, free: 31.65 MB / 0.5573 GB
Notification: Performance of matching and sorting (n=69) (initialization): time 0.0006449/0.3493, allocations: 0.5465 MB / 0.7433 GB, free: 31.38 MB / 0.5573 GB
Notification: Performance of prepare postOptimizeDAE: time 1.514e-05/0.3494, allocations: 9.375 kB / 0.7433 GB, free: 31.38 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.434e-06/0.3494, allocations: 7.016 kB / 0.7433 GB, free: 31.38 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0002851/0.3496, allocations: 114.3 kB / 0.7434 GB, free: 31.32 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002022/0.3498, allocations: 103.3 kB / 0.7435 GB, free: 31.29 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002136/0.352, allocations: 2.626 MB / 0.7461 GB, free: 28.91 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002177/0.3522, allocations: 69 kB / 0.7462 GB, free: 28.86 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.456e-05/0.3522, allocations: 21.41 kB / 0.7462 GB, free: 28.86 MB / 0.5573 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 16
 * Number of states: 0 ()
 * Number of discrete variables: 19 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition5,$PRE.intGai.nextTimeEvent,$whenCondition4,$PRE.reference.nextTimeEvent,$whenCondition3,$whenCondition1,reference.nextTimeEvent,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,assEqu.satisfied,$PRE.assEqu.satisfied,mean.y_last,$PRE.mean.y_last,$whenCondition2,intGai.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (54):
 * Single equations (assignments): 53
 * Array equations: 0
 * 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
   {(1,15,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0001411/0.3524, allocations: 201.9 kB / 0.7464 GB, free: 28.66 MB / 0.5573 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 8.233e-05/0.3524, allocations: 133.9 kB / 0.7465 GB, free: 28.59 MB / 0.5573 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005724/0.353, allocations: 493.4 kB / 0.747 GB, free: 28.31 MB / 0.5573 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.821e-06/0.353, allocations: 2.656 kB / 0.747 GB, free: 28.31 MB / 0.5573 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.975e-06/0.353, allocations: 2.594 kB / 0.747 GB, free: 28.31 MB / 0.5573 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.524e-06/0.353, allocations: 7.422 kB / 0.747 GB, free: 28.31 MB / 0.5573 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0011/0.3541, allocations: 1.232 MB / 0.7482 GB, free: 27.48 MB / 0.5573 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.064e-06/0.3541, allocations: 0 / 0.7482 GB, free: 27.48 MB / 0.5573 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001257/0.3543, allocations: 46.28 kB / 0.7482 GB, free: 27.46 MB / 0.5573 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0002348/0.3545, allocations: 139 kB / 0.7484 GB, free: 27.39 MB / 0.5573 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.296e-05/0.3545, allocations: 10.55 kB / 0.7484 GB, free: 27.38 MB / 0.5573 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001688/0.3562, allocations: 4.629 MB / 0.7529 GB, free: 22.95 MB / 0.5573 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.92e-07/0.3562, allocations: 0 / 0.7529 GB, free: 22.95 MB / 0.5573 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006629/0.3569, allocations: 0.7146 MB / 0.7536 GB, free: 22.5 MB / 0.5573 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001169/0.357, allocations: 146.9 kB / 0.7538 GB, free: 22.39 MB / 0.5573 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.254e-05/0.357, allocations: 10.56 kB / 0.7538 GB, free: 22.39 MB / 0.5573 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001477/0.3572, allocations: 27.5 kB / 0.7538 GB, free: 22.37 MB / 0.5573 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 9.103e-05/0.3573, allocations: 49.31 kB / 0.7538 GB, free: 22.34 MB / 0.5573 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.453e-05/0.3573, allocations: 19.36 kB / 0.7539 GB, free: 22.33 MB / 0.5573 GB
Notification: Performance of sorting global known variables: time 0.0004923/0.3578, allocations: 0.7857 MB / 0.7546 GB, free: 21.97 MB / 0.5573 GB
Notification: Performance of sort global known variables: time 7e-08/0.3578, allocations: 3.938 kB / 0.7546 GB, free: 21.96 MB / 0.5573 GB
Notification: Performance of remove unused functions: time 0.000426/0.3582, allocations: 204.4 kB / 0.7548 GB, free: 21.92 MB / 0.5573 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 4 (mean.x,assEqu.diff,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,thermalZoneTwoElements.extWallRC.thermCapExt[1].T)
 * Number of discrete variables: 12 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,mean.y_last,assEqu.nFai,assEqu.satisfied,reference.nextTimeEventScaled,reference.nextTimeEvent,intGai.nextTimeEventScaled,intGai.nextTimeEvent)
 * Number of discrete states: 7 (intGai.nextTimeEvent,reference.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,reference.nextTimeEventScaled,intGai.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (30):
 * Single equations (assignments): 22
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 6
 * 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
   {(2,12,100.0%), (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 0.0008867/0.3591, allocations: 466.2 kB / 0.7553 GB, free: 21.75 MB / 0.5573 GB
Notification: Performance of simCode: created initialization part: time 0.0005556/0.3597, allocations: 0.5217 MB / 0.7558 GB, free: 21.42 MB / 0.5573 GB
Notification: Performance of simCode: created event and clocks part: time 1.823e-06/0.3597, allocations: 192 / 0.7558 GB, free: 21.42 MB / 0.5573 GB
Notification: Performance of simCode: created simulation system equations: time 0.0003364/0.36, allocations: 0.5685 MB / 0.7563 GB, free: 20.94 MB / 0.5573 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005288/0.3605, allocations: 199.6 kB / 0.7565 GB, free: 20.83 MB / 0.5573 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001806/0.3623, allocations: 1.835 MB / 0.7583 GB, free: 19.71 MB / 0.5573 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001608/0.3625, allocations: 269.7 kB / 0.7586 GB, free: 19.53 MB / 0.5573 GB
Notification: Performance of simCode: alias equations: time 0.0001647/0.3627, allocations: 83.33 kB / 0.7586 GB, free: 19.49 MB / 0.5573 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 7.894e-05/0.3628, allocations: 50.83 kB / 0.7587 GB, free: 19.47 MB / 0.5573 GB
Notification: Performance of SimCode: time 6.81e-07/0.3628, allocations: 0 / 0.7587 GB, free: 19.47 MB / 0.5573 GB
Notification: Performance of Templates: time 0.01444/0.3772, allocations: 10.44 MB / 0.7689 GB, free: 13.82 MB / 0.5573 GB
"
[Timeout remaining time 660]
make -j1 -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.makefile [Timeout 660]
(rm -f BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.pipe ; mkfifo BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.pipe >> ../files/BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.sim & ./BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1 -abortSlowSimulation -alarm=240  -lv LOG_STATS > BuildingSystems_BuildingSystems.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase1.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 4.40738660399802]