Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Occupants.BaseClasses.Validation.Weibull1DON.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 0.001785/0.001785, allocations: 99.75 kB / 18.95 MB, free: 2.832 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 0.002211/0.002211, allocations: 217.6 kB / 22.25 MB, free: 5.105 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 1.491/1.491, allocations: 230.6 MB / 256 MB, free: 7.793 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.284/3.284, allocations: 0.49 GB / 0.7951 GB, free: 35.5 MB / 0.6231 GB
"
[Timeout remaining time 176]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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.Weibull1DON,fileNamePrefix="Buildings_12_Buildings_Occupants_BaseClasses_Validation_Weibull1DON",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Occupants.BaseClasses.Validation.Weibull1DON,fileNamePrefix="Buildings_12_Buildings_Occupants_BaseClasses_Validation_Weibull1DON",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 0.002067/0.002067, allocations: 71.11 kB / 1.154 GB, free: 25.46 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4057/0.4078, allocations: 176.1 MB / 1.326 GB, free: 1.512 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Occupants.BaseClasses.Validation.Weibull1DON): time 0.00267/0.4104, allocations: 1.25 MB / 1.327 GB, free: 260 kB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.001167/0.4116, allocations: 494.8 kB / 1.328 GB, free: 15.77 MB / 1.029 GB
Notification: Performance of NFInst.updateImplicitVariability: time 3.253e-05/0.4116, allocations: 0 / 1.328 GB, free: 15.77 MB / 1.029 GB
Notification: Performance of NFTyping.typeComponents: time 8.653e-05/0.4117, allocations: 3.938 kB / 1.328 GB, free: 15.77 MB / 1.029 GB
Notification: Performance of NFTyping.typeBindings: time 2.416e-05/0.4117, allocations: 3.938 kB / 1.328 GB, free: 15.76 MB / 1.029 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0005641/0.4123, allocations: 131.5 kB / 1.328 GB, free: 15.63 MB / 1.029 GB
Notification: Performance of NFFlatten.flatten: time 8.724e-05/0.4124, allocations: 27.91 kB / 1.328 GB, free: 15.61 MB / 1.029 GB
Notification: Performance of NFFlatten.resolveConnections: time 4.231e-05/0.4124, allocations: 3.938 kB / 1.328 GB, free: 15.6 MB / 1.029 GB
Notification: Performance of NFEvalConstants.evaluate: time 3.187e-05/0.4125, allocations: 15.98 kB / 1.328 GB, free: 15.59 MB / 1.029 GB
Notification: Performance of NFSimplifyModel.simplify: time 3.294e-05/0.4125, allocations: 11.92 kB / 1.328 GB, free: 15.57 MB / 1.029 GB
Notification: Performance of NFPackage.collectConstants: time 1.317e-05/0.4125, allocations: 4 kB / 1.328 GB, free: 15.57 MB / 1.029 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0003219/0.4128, allocations: 159.7 kB / 1.328 GB, free: 15.41 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 5.131e-05/0.4129, allocations: 23.92 kB / 1.328 GB, free: 15.39 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 4.499e-05/0.4129, allocations: 19.75 kB / 1.328 GB, free: 15.37 MB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.00027/0.4132, allocations: 155.6 kB / 1.328 GB, free: 15.22 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 4.899e-06/0.4132, allocations: 0 / 1.328 GB, free: 15.22 MB / 1.029 GB
Notification: Performance of FrontEnd: time 2.495e-06/0.4132, allocations: 0 / 1.328 GB, free: 15.22 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 6.502e-06/0.4132, allocations: 0 / 1.328 GB, free: 15.22 MB / 1.029 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 0.000596/0.4138, allocations: 384.2 kB / 1.328 GB, free: 14.8 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 4.503e-05/0.4139, allocations: 12.03 kB / 1.328 GB, free: 14.79 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 8.067e-05/0.4139, allocations: 46.73 kB / 1.328 GB, free: 14.73 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001007/0.414, allocations: 16.78 kB / 1.328 GB, free: 14.72 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001241/0.4142, allocations: 122.4 kB / 1.329 GB, free: 14.57 MB / 1.029 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.198e-05/0.4142, allocations: 8.359 kB / 1.329 GB, free: 14.57 MB / 1.029 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 9.929e-06/0.4142, allocations: 384 / 1.329 GB, free: 14.57 MB / 1.029 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002178/0.4144, allocations: 158.7 kB / 1.329 GB, free: 14.41 MB / 1.029 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.307e-05/0.4144, allocations: 3.938 kB / 1.329 GB, free: 14.4 MB / 1.029 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.466e-06/0.4144, allocations: 0 / 1.329 GB, free: 14.4 MB / 1.029 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.619e-06/0.4144, allocations: 0 / 1.329 GB, free: 14.4 MB / 1.029 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 7.993e-05/0.4145, allocations: 63.97 kB / 1.329 GB, free: 14.34 MB / 1.029 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0003924/0.4149, allocations: 255.8 kB / 1.329 GB, free: 14.05 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0001499/0.4151, allocations: 102.7 kB / 1.329 GB, free: 13.94 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 8.82e-05/0.4151, allocations: 76.39 kB / 1.329 GB, free: 13.86 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 1.514e-05/0.4152, allocations: 4 kB / 1.329 GB, free: 13.86 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002752/0.4154, allocations: 175.3 kB / 1.329 GB, free: 13.67 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=38): time 1.132e-06/0.4154, allocations: 0 / 1.329 GB, free: 13.67 MB / 1.029 GB
Notification: Performance of matching and sorting (n=38): time 0.0005725/0.416, allocations: 412.2 kB / 1.33 GB, free: 13.27 MB / 1.029 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.529e-05/0.4161, allocations: 87.38 kB / 1.33 GB, free: 13.17 MB / 1.029 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001256/0.4162, allocations: 125.8 kB / 1.33 GB, free: 13.04 MB / 1.029 GB
Notification: Performance of collectPreVariables (initialization): time 4.986e-05/0.4163, allocations: 49.69 kB / 1.33 GB, free: 12.98 MB / 1.029 GB
Notification: Performance of collectInitialEqns (initialization): time 5.944e-05/0.4163, allocations: 88.8 kB / 1.33 GB, free: 12.89 MB / 1.029 GB
Notification: Performance of collectInitialBindings (initialization): time 9.478e-05/0.4164, allocations: 95.36 kB / 1.33 GB, free: 12.79 MB / 1.029 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001071/0.4165, allocations: 89.67 kB / 1.33 GB, free: 12.7 MB / 1.029 GB
Notification: Performance of setup shared object (initialization): time 0.0001617/0.4167, allocations: 338.8 kB / 1.331 GB, free: 12.36 MB / 1.029 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001937/0.4169, allocations: 148.6 kB / 1.331 GB, free: 12.21 MB / 1.029 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.00028/0.4172, allocations: 209 kB / 1.331 GB, free: 11.99 MB / 1.029 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0005057/0.4177, allocations: 409.3 kB / 1.331 GB, free: 11.57 MB / 1.029 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.498e-06/0.4177, allocations: 7.938 kB / 1.331 GB, free: 11.56 MB / 1.029 GB
Notification: Performance of matching and sorting (n=74) (initialization): time 0.0006132/0.4183, allocations: 446.4 kB / 1.332 GB, free: 11.12 MB / 1.029 GB
Notification: Performance of prepare postOptimizeDAE: time 1.435e-05/0.4183, allocations: 7.938 kB / 1.332 GB, free: 11.11 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.758e-06/0.4183, allocations: 7.984 kB / 1.332 GB, free: 11.11 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.53e-05/0.4183, allocations: 0 / 1.332 GB, free: 11.11 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 9.333e-05/0.4184, allocations: 19.94 kB / 1.332 GB, free: 11.09 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.418e-06/0.4184, allocations: 4 kB / 1.332 GB, free: 11.08 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 6.891e-05/0.4185, allocations: 39.66 kB / 1.332 GB, free: 11.04 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.217e-05/0.4185, allocations: 12 kB / 1.332 GB, free: 11.03 MB / 1.029 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 0.000195/0.4187, allocations: 186.3 kB / 1.332 GB, free: 10.84 MB / 1.029 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 1.857e-05/0.4187, allocations: 15.89 kB / 1.332 GB, free: 10.82 MB / 1.029 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 2.807e-05/0.4188, allocations: 5.625 kB / 1.332 GB, free: 10.81 MB / 1.029 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.643e-06/0.4188, allocations: 0 / 1.332 GB, free: 10.81 MB / 1.029 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.088e-06/0.4188, allocations: 4 kB / 1.332 GB, free: 10.81 MB / 1.029 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.166e-06/0.4188, allocations: 7.938 kB / 1.332 GB, free: 10.8 MB / 1.029 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0006129/0.4194, allocations: 0.5366 MB / 1.333 GB, free: 10.21 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.543e-06/0.4194, allocations: 4.062 kB / 1.333 GB, free: 10.21 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.066e-05/0.4194, allocations: 8 kB / 1.333 GB, free: 10.2 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.573e-06/0.4194, allocations: 0 / 1.333 GB, free: 10.2 MB / 1.029 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.49e-05/0.4194, allocations: 11.98 kB / 1.333 GB, free: 10.19 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.152e-06/0.4194, allocations: 0 / 1.333 GB, free: 10.19 MB / 1.029 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.092e-06/0.4194, allocations: 0 / 1.333 GB, free: 10.19 MB / 1.029 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004566/0.4199, allocations: 407.1 kB / 1.333 GB, free: 9.777 MB / 1.029 GB
Notification: Performance of postOpt removeConstants (simulation): time 2.268e-05/0.4199, allocations: 19.88 kB / 1.333 GB, free: 9.758 MB / 1.029 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.045e-05/0.4199, allocations: 31.98 kB / 1.333 GB, free: 9.727 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 4.631e-05/0.42, allocations: 3.938 kB / 1.333 GB, free: 9.723 MB / 1.029 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 2.201e-05/0.42, allocations: 0 / 1.333 GB, free: 9.723 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.624e-06/0.42, allocations: 4 kB / 1.333 GB, free: 9.719 MB / 1.029 GB
Notification: Performance of sorting global known variables: time 5.695e-05/0.4201, allocations: 87.56 kB / 1.333 GB, free: 9.633 MB / 1.029 GB
Notification: Performance of sort global known variables: time 8e-08/0.4201, allocations: 0 / 1.333 GB, free: 9.633 MB / 1.029 GB
Notification: Performance of remove unused functions: time 0.0003357/0.4204, allocations: 63.81 kB / 1.333 GB, free: 9.57 MB / 1.029 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 0.001473/0.4219, allocations: 1.158 MB / 1.334 GB, free: 8.402 MB / 1.029 GB
Notification: Performance of simCode: created initialization part: time 0.0004288/0.4223, allocations: 276.7 kB / 1.335 GB, free: 8.133 MB / 1.029 GB
Notification: Performance of simCode: created event and clocks part: time 2.124e-06/0.4223, allocations: 0 / 1.335 GB, free: 8.133 MB / 1.029 GB
Notification: Performance of simCode: created simulation system equations: time 9.941e-05/0.4224, allocations: 79.91 kB / 1.335 GB, free: 8.055 MB / 1.029 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002446/0.4227, allocations: 11.88 kB / 1.335 GB, free: 8.043 MB / 1.029 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00291/0.4256, allocations: 2.537 MB / 1.337 GB, free: 5.402 MB / 1.029 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001348/0.4257, allocations: 98.66 kB / 1.337 GB, free: 5.277 MB / 1.029 GB
Notification: Performance of simCode: alias equations: time 3.647e-05/0.4257, allocations: 17.08 kB / 1.337 GB, free: 5.262 MB / 1.029 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 6.555e-05/0.4258, allocations: 43.42 kB / 1.337 GB, free: 5.219 MB / 1.029 GB
Notification: Performance of SimCode: time 6.61e-07/0.4258, allocations: 0 / 1.337 GB, free: 5.219 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0416/0.4674, allocations: 3.987 MB / 1.341 GB, free: 1.391 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate platform static: time 11.5/11.96, allocations: 6.828 kB / 1.341 GB, free: 1.387 MB / 1.029 GB
"
[Timeout remaining time 288]
(rm -f Buildings_12_Buildings.Occupants.BaseClasses.Validation.Weibull1DON.pipe ; mkfifo Buildings_12_Buildings.Occupants.BaseClasses.Validation.Weibull1DON.pipe ; head -c 1048576 < Buildings_12_Buildings.Occupants.BaseClasses.Validation.Weibull1DON.pipe >> ../files/Buildings_12_Buildings.Occupants.BaseClasses.Validation.Weibull1DON.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Occupants.BaseClasses.Validation.Weibull1DON_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Occupants_BaseClasses_Validation_Weibull1DON.fmu > Buildings_12_Buildings.Occupants.BaseClasses.Validation.Weibull1DON.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_12_Buildings.Occupants.BaseClasses.Validation.Weibull1DON_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Occupants_BaseClasses_Validation_Weibull1DON.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Occupants.BaseClasses.Validation.Weibull1DON.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: 18.89919111900963]