Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic.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 0.001641/0.001641, allocations: 114.3 kB / 18.94 MB, free: 2.934 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 0.002163/0.002163, allocations: 214.8 kB / 22.25 MB, free: 5.082 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 1.512/1.512, allocations: 230.6 MB / 256 MB, free: 7.992 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings master/package.mo): time 3.283/3.283, allocations: 0.505 GB / 0.8101 GB, free: 21.98 MB / 0.6231 GB
"
[Timeout remaining time 176]
Using package Buildings with version 13.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 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: "" <> buildModelFMU(Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic,fileNamePrefix="Buildings_latest_Buildings_Occupants_BaseClasses_Validation_Logit1DQuadratic",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic,fileNamePrefix="Buildings_latest_Buildings_Occupants_BaseClasses_Validation_Logit1DQuadratic",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings 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 0.002026/0.002026, allocations: 62.42 kB / 1.177 GB, free: 17.15 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3842/0.3862, allocations: 180.2 MB / 1.353 GB, free: 8.438 MB / 1.045 GB
Notification: Performance of NFInst.instantiate(Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic): time 0.002976/0.3892, allocations: 1.249 MB / 1.354 GB, free: 7.18 MB / 1.045 GB
Notification: Performance of NFInst.instExpressions: time 0.001079/0.3903, allocations: 0.4987 MB / 1.355 GB, free: 6.68 MB / 1.045 GB
Notification: Performance of NFInst.updateImplicitVariability: time 2.992e-05/0.3903, allocations: 0 / 1.355 GB, free: 6.68 MB / 1.045 GB
Notification: Performance of NFTyping.typeComponents: time 9.248e-05/0.3904, allocations: 7.938 kB / 1.355 GB, free: 6.672 MB / 1.045 GB
Notification: Performance of NFTyping.typeBindings: time 1.832e-05/0.3904, allocations: 0 / 1.355 GB, free: 6.672 MB / 1.045 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0005511/0.391, allocations: 123.5 kB / 1.355 GB, free: 6.551 MB / 1.045 GB
Notification: Performance of NFFlatten.flatten: time 8.548e-05/0.3911, allocations: 27.86 kB / 1.355 GB, free: 6.523 MB / 1.045 GB
Notification: Performance of NFFlatten.resolveConnections: time 4.395e-05/0.3911, allocations: 4 kB / 1.355 GB, free: 6.52 MB / 1.045 GB
Notification: Performance of NFEvalConstants.evaluate: time 2.607e-05/0.3911, allocations: 11.92 kB / 1.355 GB, free: 6.508 MB / 1.045 GB
Notification: Performance of NFSimplifyModel.simplify: time 3.702e-05/0.3912, allocations: 11.98 kB / 1.355 GB, free: 6.496 MB / 1.045 GB
Notification: Performance of NFPackage.collectConstants: time 1.278e-05/0.3912, allocations: 7.938 kB / 1.355 GB, free: 6.488 MB / 1.045 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0003207/0.3915, allocations: 155.7 kB / 1.355 GB, free: 6.336 MB / 1.045 GB
Notification: Performance of NFScalarize.scalarize: time 5.809e-05/0.3916, allocations: 27.91 kB / 1.355 GB, free: 6.309 MB / 1.045 GB
Notification: Performance of NFVerifyModel.verify: time 4.688e-05/0.3916, allocations: 27.69 kB / 1.355 GB, free: 6.281 MB / 1.045 GB
Notification: Performance of NFConvertDAE.convert: time 0.0002433/0.3919, allocations: 139.7 kB / 1.355 GB, free: 6.145 MB / 1.045 GB
Notification: Performance of FrontEnd - DAE generated: time 4.258e-06/0.3919, allocations: 0 / 1.355 GB, free: 6.145 MB / 1.045 GB
Notification: Performance of FrontEnd: time 1.593e-06/0.3919, allocations: 7.938 kB / 1.355 GB, free: 6.137 MB / 1.045 GB
Notification: Performance of Transformations before backend: time 5.571e-06/0.3919, allocations: 0 / 1.355 GB, free: 6.137 MB / 1.045 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 36
 * Number of variables: 36
Notification: Performance of Generate backend data structure: time 0.0005595/0.3924, allocations: 380.3 kB / 1.355 GB, free: 5.727 MB / 1.045 GB
Notification: Performance of prepare preOptimizeDAE: time 3.973e-05/0.3925, allocations: 16.02 kB / 1.355 GB, free: 5.711 MB / 1.045 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.139e-05/0.3925, allocations: 46.69 kB / 1.355 GB, free: 5.656 MB / 1.045 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 8.067e-05/0.3926, allocations: 12.84 kB / 1.356 GB, free: 5.645 MB / 1.045 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001271/0.3927, allocations: 122.4 kB / 1.356 GB, free: 5.5 MB / 1.045 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.526e-05/0.3928, allocations: 384 / 1.356 GB, free: 5.5 MB / 1.045 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 1.147e-05/0.3928, allocations: 4.375 kB / 1.356 GB, free: 5.496 MB / 1.045 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002023/0.393, allocations: 154.1 kB / 1.356 GB, free: 5.34 MB / 1.045 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.436e-05/0.393, allocations: 3.938 kB / 1.356 GB, free: 5.336 MB / 1.045 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.598e-06/0.393, allocations: 0 / 1.356 GB, free: 5.336 MB / 1.045 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.189e-06/0.393, allocations: 0 / 1.356 GB, free: 5.336 MB / 1.045 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 8.652e-05/0.3931, allocations: 67.97 kB / 1.356 GB, free: 5.27 MB / 1.045 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0003688/0.3935, allocations: 255.8 kB / 1.356 GB, free: 4.977 MB / 1.045 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0001483/0.3936, allocations: 98.42 kB / 1.356 GB, free: 4.871 MB / 1.045 GB
Notification: Performance of preOpt resolveLoops (simulation): time 8.994e-05/0.3937, allocations: 68.89 kB / 1.356 GB, free: 4.801 MB / 1.045 GB
Notification: Performance of preOpt evalFunc (simulation): time 1.068e-05/0.3937, allocations: 4 kB / 1.356 GB, free: 4.797 MB / 1.045 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003135/0.394, allocations: 183.2 kB / 1.356 GB, free: 4.605 MB / 1.045 GB
Notification: Performance of pre-optimization done (n=38): time 1.263e-06/0.394, allocations: 0 / 1.356 GB, free: 4.605 MB / 1.045 GB
Notification: Performance of matching and sorting (n=38): time 0.0007279/0.3947, allocations: 496.2 kB / 1.357 GB, free: 4.113 MB / 1.045 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.334e-05/0.3948, allocations: 83.38 kB / 1.357 GB, free: 4.02 MB / 1.045 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001398/0.395, allocations: 129.8 kB / 1.357 GB, free: 3.883 MB / 1.045 GB
Notification: Performance of collectPreVariables (initialization): time 5.098e-05/0.395, allocations: 53.69 kB / 1.357 GB, free: 3.824 MB / 1.045 GB
Notification: Performance of collectInitialEqns (initialization): time 5.01e-05/0.3951, allocations: 80.8 kB / 1.357 GB, free: 3.742 MB / 1.045 GB
Notification: Performance of collectInitialBindings (initialization): time 0.000103/0.3952, allocations: 111.2 kB / 1.357 GB, free: 3.633 MB / 1.045 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001046/0.3953, allocations: 89.62 kB / 1.357 GB, free: 3.539 MB / 1.045 GB
Notification: Performance of setup shared object (initialization): time 0.0001726/0.3954, allocations: 338.8 kB / 1.358 GB, free: 3.199 MB / 1.045 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001948/0.3956, allocations: 148.6 kB / 1.358 GB, free: 3.055 MB / 1.045 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.000254/0.3959, allocations: 209 kB / 1.358 GB, free: 2.824 MB / 1.045 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0005515/0.3964, allocations: 409.3 kB / 1.358 GB, free: 2.41 MB / 1.045 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.589e-06/0.3964, allocations: 3.938 kB / 1.358 GB, free: 2.406 MB / 1.045 GB
Notification: Performance of matching and sorting (n=74) (initialization): time 0.0005874/0.397, allocations: 442.5 kB / 1.359 GB, free: 1.969 MB / 1.045 GB
Notification: Performance of prepare postOptimizeDAE: time 1.746e-05/0.3971, allocations: 8 kB / 1.359 GB, free: 1.961 MB / 1.045 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.524e-06/0.3971, allocations: 8.062 kB / 1.359 GB, free: 1.953 MB / 1.045 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.613e-05/0.3971, allocations: 4 kB / 1.359 GB, free: 1.949 MB / 1.045 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001008/0.3972, allocations: 27.94 kB / 1.359 GB, free: 1.922 MB / 1.045 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.748e-06/0.3972, allocations: 3.984 kB / 1.359 GB, free: 1.918 MB / 1.045 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 7.309e-05/0.3973, allocations: 35.73 kB / 1.359 GB, free: 1.883 MB / 1.045 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.252e-05/0.3973, allocations: 16 kB / 1.359 GB, free: 1.867 MB / 1.045 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 6
 * Number of states: 0 ()
 * Number of discrete variables: 72 (state[33],$PRE.state[33],state[32],$PRE.state[32],state[31],$PRE.state[31],state[30],$PRE.state[30],state[29],$PRE.state[29],state[28],$PRE.state[28],state[27],$PRE.state[27],state[26],$PRE.state[26],state[25],$PRE.state[25],state[24],$PRE.state[24],state[23],$PRE.state[23],state[22],$PRE.state[22],state[21],$PRE.state[21],state[20],$PRE.state[20],state[19],$PRE.state[19],state[18],$PRE.state[18],state[17],$PRE.state[17],state[16],$PRE.state[16],state[15],$PRE.state[15],state[14],$PRE.state[14],state[13],$PRE.state[13],state[12],$PRE.state[12],state[11],$PRE.state[11],state[10],$PRE.state[10],state[9],$PRE.state[9],state[8],$PRE.state[8],state[7],$PRE.state[7],state[6],$PRE.state[6],state[5],$PRE.state[5],state[4],$PRE.state[4],state[3],$PRE.state[3],state[2],$PRE.state[2],state[1],$PRE.state[1],r,$PRE.r,$whenCondition1,$outputAlias_y,$PRE.$outputAlias_y,y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (42):
 * Single equations (assignments): 41
 * Array equations: 1
 * 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 0.0001964/0.3975, allocations: 189.6 kB / 1.359 GB, free: 1.676 MB / 1.045 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 1.545e-05/0.3975, allocations: 7.906 kB / 1.359 GB, free: 1.668 MB / 1.045 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.05e-05/0.3975, allocations: 9.625 kB / 1.359 GB, free: 1.656 MB / 1.045 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.134e-06/0.3975, allocations: 0 / 1.359 GB, free: 1.656 MB / 1.045 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.478e-06/0.3975, allocations: 0 / 1.359 GB, free: 1.656 MB / 1.045 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.665e-06/0.3975, allocations: 0 / 1.359 GB, free: 1.656 MB / 1.045 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0007322/0.3983, allocations: 0.6149 MB / 1.36 GB, free: 0.9922 MB / 1.045 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.542e-06/0.3983, allocations: 4 kB / 1.36 GB, free: 0.9883 MB / 1.045 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.105e-05/0.3983, allocations: 4 kB / 1.36 GB, free: 0.9844 MB / 1.045 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.663e-06/0.3983, allocations: 0 / 1.36 GB, free: 0.9844 MB / 1.045 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.719e-06/0.3983, allocations: 4 kB / 1.36 GB, free: 0.9805 MB / 1.045 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.657e-06/0.3983, allocations: 4 kB / 1.36 GB, free: 0.9766 MB / 1.045 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.31e-07/0.3983, allocations: 0 / 1.36 GB, free: 0.9766 MB / 1.045 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005476/0.3989, allocations: 479.1 kB / 1.36 GB, free: 0.4922 MB / 1.045 GB
Notification: Performance of postOpt removeConstants (simulation): time 2.045e-05/0.3989, allocations: 23.83 kB / 1.36 GB, free: 480 kB / 1.045 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.147e-05/0.3989, allocations: 23.98 kB / 1.36 GB, free: 456 kB / 1.045 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 5.206e-05/0.399, allocations: 8 kB / 1.36 GB, free: 448 kB / 1.045 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 2.776e-05/0.399, allocations: 7.922 kB / 1.36 GB, free: 440 kB / 1.045 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.919e-06/0.399, allocations: 0 / 1.36 GB, free: 440 kB / 1.045 GB
Notification: Performance of sorting global known variables: time 4.542e-05/0.399, allocations: 83.28 kB / 1.36 GB, free: 356 kB / 1.045 GB
Notification: Performance of sort global known variables: time 7e-08/0.399, allocations: 0 / 1.36 GB, free: 356 kB / 1.045 GB
Notification: Performance of remove unused functions: time 0.0003484/0.3994, allocations: 67.73 kB / 1.36 GB, free: 288 kB / 1.045 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 0 ()
 * Number of discrete variables: 37 ($whenCondition1,y,$outputAlias_y,state[1],state[2],state[3],state[4],state[5],state[6],state[7],state[8],state[9],state[10],state[11],state[12],state[13],state[14],state[15],state[16],state[17],state[18],state[19],state[20],state[21],state[22],state[23],state[24],state[25],state[26],state[27],state[28],state[29],state[30],state[31],state[32],state[33],r)
 * Number of discrete states: 33 (state[1],state[2],state[3],state[4],state[5],state[6],state[7],state[8],state[9],state[10],state[11],state[12],state[13],state[14],state[15],state[16],state[17],state[18],state[19],state[20],state[21],state[22],state[23],state[24],state[25],state[26],state[27],state[28],state[29],state[30],state[31],state[32],state[33])
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (5):
 * Single equations (assignments): 3
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 2
 * 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 0.001449/0.4008, allocations: 1.225 MB / 1.362 GB, free: 15.04 MB / 1.061 GB
Notification: Performance of simCode: created initialization part: time 0.0004267/0.4013, allocations: 272.9 kB / 1.362 GB, free: 14.78 MB / 1.061 GB
Notification: Performance of simCode: created event and clocks part: time 2.575e-06/0.4013, allocations: 4.062 kB / 1.362 GB, free: 14.77 MB / 1.061 GB
Notification: Performance of simCode: created simulation system equations: time 9.166e-05/0.4014, allocations: 76.11 kB / 1.362 GB, free: 14.7 MB / 1.061 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002442/0.4016, allocations: 7.984 kB / 1.362 GB, free: 14.69 MB / 1.061 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003034/0.4046, allocations: 2.522 MB / 1.364 GB, free: 12.06 MB / 1.061 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003702/0.405, allocations: 0.7205 MB / 1.365 GB, free: 11.31 MB / 1.061 GB
Notification: Performance of simCode: alias equations: time 4.569e-05/0.405, allocations: 21.08 kB / 1.365 GB, free: 11.29 MB / 1.061 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 7.639e-05/0.4051, allocations: 39.42 kB / 1.365 GB, free: 11.25 MB / 1.061 GB
Notification: Performance of SimCode: time 8.11e-07/0.4051, allocations: 0 / 1.365 GB, free: 11.25 MB / 1.061 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03073/0.4358, allocations: 3.636 MB / 1.369 GB, free: 7.75 MB / 1.061 GB
Notification: Performance of buildModelFMU: Generate platform static: time 10.83/11.27, allocations: 6.219 kB / 1.369 GB, free: 7.75 MB / 1.061 GB
"
[Timeout remaining time 289]
(rm -f Buildings_latest_Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic.pipe ; mkfifo Buildings_latest_Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic.pipe ; head -c 1048576 < Buildings_latest_Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic.pipe >> ../files/Buildings_latest_Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic.sim & python3 -m fmpy simulate  --output-file Buildings_latest_Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic_res.csv --start-time 0 --stop-time 1 --timeout 800 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_latest_Buildings_Occupants_BaseClasses_Validation_Logit1DQuadratic.fmu > Buildings_latest_Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic.pipe 2>&1) [Timeout 840.0]
diffSimulationResults("Buildings_latest_Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic_res.csv","/mnt/ReferenceFiles/Buildings/csv/master/Buildings_Occupants_BaseClasses_Validation_Logit1DQuadratic.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_latest_Buildings.Occupants.BaseClasses.Validation.Logit1DQuadratic.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300]
""
[Timeout remaining time 300]
Reference file matches
[Calling sys.exit(0), Time elapsed: 18.388198653000472]