Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Occupants.BaseClasses.Validation.Linear1D.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 0.001852/0.001852, allocations: 107.6 kB / 18.95 MB, free: 2.805 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 0.001759/0.001759, allocations: 213.1 kB / 22.24 MB, free: 5.117 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 1.527/1.527, allocations: 230.6 MB / 256 MB, free: 7.773 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 3.37/3.37, allocations: 0.4892 GB / 0.7943 GB, free: 35.42 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.Linear1D,fileNamePrefix="Buildings_12_Buildings_Occupants_BaseClasses_Validation_Linear1D",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Occupants.BaseClasses.Validation.Linear1D,fileNamePrefix="Buildings_12_Buildings_Occupants_BaseClasses_Validation_Linear1D",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 0.00227/0.00227, allocations: 61.28 kB / 1.153 GB, free: 25.81 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3595/0.3618, allocations: 176.1 MB / 1.325 GB, free: 2.395 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Occupants.BaseClasses.Validation.Linear1D): time 0.003678/0.3655, allocations: 1.246 MB / 1.326 GB, free: 1.145 MB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.001115/0.3666, allocations: 411 kB / 1.327 GB, free: 0.7422 MB / 1.014 GB
Notification: Performance of NFInst.updateImplicitVariability: time 2.923e-05/0.3666, allocations: 0 / 1.327 GB, free: 0.7422 MB / 1.014 GB
Notification: Performance of NFTyping.typeComponents: time 7.52e-05/0.3667, allocations: 4 kB / 1.327 GB, free: 0.7383 MB / 1.014 GB
Notification: Performance of NFTyping.typeBindings: time 2.338e-05/0.3667, allocations: 3.938 kB / 1.327 GB, free: 0.7344 MB / 1.014 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0005299/0.3673, allocations: 107.6 kB / 1.327 GB, free: 0.6289 MB / 1.014 GB
Notification: Performance of NFFlatten.flatten: time 7.362e-05/0.3673, allocations: 19.98 kB / 1.327 GB, free: 0.6094 MB / 1.014 GB
Notification: Performance of NFFlatten.resolveConnections: time 4.111e-05/0.3674, allocations: 3.938 kB / 1.327 GB, free: 0.6055 MB / 1.014 GB
Notification: Performance of NFEvalConstants.evaluate: time 3.057e-05/0.3674, allocations: 27.91 kB / 1.327 GB, free: 0.5781 MB / 1.014 GB
Notification: Performance of NFSimplifyModel.simplify: time 2.854e-05/0.3674, allocations: 7.984 kB / 1.327 GB, free: 0.5703 MB / 1.014 GB
Notification: Performance of NFPackage.collectConstants: time 1.023e-05/0.3675, allocations: 0 / 1.327 GB, free: 0.5703 MB / 1.014 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0002891/0.3677, allocations: 131.7 kB / 1.327 GB, free: 452 kB / 1.014 GB
Notification: Performance of NFScalarize.scalarize: time 5.145e-05/0.3678, allocations: 23.92 kB / 1.327 GB, free: 428 kB / 1.014 GB
Notification: Performance of NFVerifyModel.verify: time 3.709e-05/0.3678, allocations: 23.73 kB / 1.327 GB, free: 404 kB / 1.014 GB
Notification: Performance of NFConvertDAE.convert: time 0.0002748/0.3681, allocations: 127.7 kB / 1.327 GB, free: 276 kB / 1.014 GB
Notification: Performance of FrontEnd - DAE generated: time 6.683e-06/0.3681, allocations: 4 kB / 1.327 GB, free: 272 kB / 1.014 GB
Notification: Performance of FrontEnd: time 3.497e-06/0.3681, allocations: 0 / 1.327 GB, free: 272 kB / 1.014 GB
Notification: Performance of Transformations before backend: time 1.644e-05/0.3681, allocations: 0 / 1.327 GB, free: 272 kB / 1.014 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 0.0007471/0.3689, allocations: 380.3 kB / 1.327 GB, free: 15.85 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 5.435e-05/0.3689, allocations: 12.03 kB / 1.327 GB, free: 15.84 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.277e-05/0.369, allocations: 42.73 kB / 1.328 GB, free: 15.79 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001369/0.3692, allocations: 16.84 kB / 1.328 GB, free: 15.77 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001585/0.3693, allocations: 118.4 kB / 1.328 GB, free: 15.63 MB / 1.029 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.959e-05/0.3693, allocations: 4.375 kB / 1.328 GB, free: 15.63 MB / 1.029 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 1.58e-05/0.3694, allocations: 384 / 1.328 GB, free: 15.63 MB / 1.029 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002486/0.3696, allocations: 146.8 kB / 1.328 GB, free: 15.48 MB / 1.029 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.543e-05/0.3696, allocations: 3.938 kB / 1.328 GB, free: 15.48 MB / 1.029 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.586e-05/0.3696, allocations: 4 kB / 1.328 GB, free: 15.47 MB / 1.029 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.35e-06/0.3696, allocations: 0 / 1.328 GB, free: 15.47 MB / 1.029 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 9.237e-05/0.3697, allocations: 71.91 kB / 1.328 GB, free: 15.4 MB / 1.029 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0005087/0.3702, allocations: 255.8 kB / 1.328 GB, free: 15.11 MB / 1.029 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0001559/0.3704, allocations: 90.75 kB / 1.328 GB, free: 15.01 MB / 1.029 GB
Notification: Performance of preOpt resolveLoops (simulation): time 9.756e-05/0.3705, allocations: 84.38 kB / 1.328 GB, free: 14.93 MB / 1.029 GB
Notification: Performance of preOpt evalFunc (simulation): time 1.104e-05/0.3705, allocations: 0 / 1.328 GB, free: 14.93 MB / 1.029 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002784/0.3708, allocations: 179.3 kB / 1.328 GB, free: 14.74 MB / 1.029 GB
Notification: Performance of pre-optimization done (n=38): time 1.603e-06/0.3708, allocations: 0 / 1.328 GB, free: 14.74 MB / 1.029 GB
Notification: Performance of matching and sorting (n=38): time 0.0005711/0.3714, allocations: 412.3 kB / 1.329 GB, free: 14.33 MB / 1.029 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.59e-05/0.3714, allocations: 83.38 kB / 1.329 GB, free: 14.24 MB / 1.029 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001067/0.3715, allocations: 125.7 kB / 1.329 GB, free: 14.11 MB / 1.029 GB
Notification: Performance of collectPreVariables (initialization): time 5.079e-05/0.3716, allocations: 53.69 kB / 1.329 GB, free: 14.05 MB / 1.029 GB
Notification: Performance of collectInitialEqns (initialization): time 5.615e-05/0.3717, allocations: 88.73 kB / 1.329 GB, free: 13.95 MB / 1.029 GB
Notification: Performance of collectInitialBindings (initialization): time 9.832e-05/0.3717, allocations: 99.36 kB / 1.329 GB, free: 13.86 MB / 1.029 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001131/0.3719, allocations: 85.69 kB / 1.329 GB, free: 13.77 MB / 1.029 GB
Notification: Performance of setup shared object (initialization): time 0.0001649/0.372, allocations: 342.8 kB / 1.33 GB, free: 13.42 MB / 1.029 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002002/0.3722, allocations: 140.6 kB / 1.33 GB, free: 13.29 MB / 1.029 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002534/0.3725, allocations: 217 kB / 1.33 GB, free: 13.05 MB / 1.029 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0005019/0.373, allocations: 405.3 kB / 1.33 GB, free: 12.64 MB / 1.029 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.589e-06/0.373, allocations: 3.938 kB / 1.33 GB, free: 12.63 MB / 1.029 GB
Notification: Performance of matching and sorting (n=74) (initialization): time 0.0006084/0.3736, allocations: 450.5 kB / 1.331 GB, free: 12.19 MB / 1.029 GB
Notification: Performance of prepare postOptimizeDAE: time 2.132e-05/0.3736, allocations: 9.719 kB / 1.331 GB, free: 12.18 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.254e-06/0.3736, allocations: 0 / 1.331 GB, free: 12.18 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.869e-05/0.3736, allocations: 4 kB / 1.331 GB, free: 12.18 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000118/0.3738, allocations: 15.92 kB / 1.331 GB, free: 12.16 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.127e-05/0.3738, allocations: 11.88 kB / 1.331 GB, free: 12.15 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 8.241e-05/0.3739, allocations: 43.8 kB / 1.331 GB, free: 12.11 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.772e-05/0.3739, allocations: 8 kB / 1.331 GB, free: 12.1 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 0.0001957/0.3741, allocations: 185 kB / 1.331 GB, free: 11.91 MB / 1.029 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 2.031e-05/0.3741, allocations: 11.91 kB / 1.331 GB, free: 11.9 MB / 1.029 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 2.918e-05/0.3741, allocations: 13.31 kB / 1.331 GB, free: 11.89 MB / 1.029 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.661e-06/0.3741, allocations: 4 kB / 1.331 GB, free: 11.88 MB / 1.029 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.448e-06/0.3741, allocations: 320 / 1.331 GB, free: 11.88 MB / 1.029 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.635e-06/0.3741, allocations: 0 / 1.331 GB, free: 11.88 MB / 1.029 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005773/0.3747, allocations: 0.529 MB / 1.332 GB, free: 11.3 MB / 1.029 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.797e-06/0.3747, allocations: 4 kB / 1.332 GB, free: 11.3 MB / 1.029 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.542e-05/0.3747, allocations: 11.92 kB / 1.332 GB, free: 11.29 MB / 1.029 GB
Notification: Performance of postOpt tearingSystem (simulation): time 2.354e-06/0.3747, allocations: 0 / 1.332 GB, free: 11.29 MB / 1.029 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.584e-06/0.3747, allocations: 3.938 kB / 1.332 GB, free: 11.29 MB / 1.029 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.847e-06/0.3747, allocations: 4 kB / 1.332 GB, free: 11.28 MB / 1.029 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.313e-06/0.3748, allocations: 0 / 1.332 GB, free: 11.28 MB / 1.029 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0004386/0.3752, allocations: 415.1 kB / 1.332 GB, free: 10.86 MB / 1.029 GB
Notification: Performance of postOpt removeConstants (simulation): time 2.015e-05/0.3752, allocations: 15.83 kB / 1.332 GB, free: 10.84 MB / 1.029 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.54e-05/0.3752, allocations: 23.98 kB / 1.332 GB, free: 10.82 MB / 1.029 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 4.861e-05/0.3753, allocations: 0 / 1.332 GB, free: 10.82 MB / 1.029 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 2.637e-05/0.3753, allocations: 4 kB / 1.332 GB, free: 10.82 MB / 1.029 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.683e-06/0.3753, allocations: 0 / 1.332 GB, free: 10.82 MB / 1.029 GB
Notification: Performance of sorting global known variables: time 5.442e-05/0.3754, allocations: 87.27 kB / 1.332 GB, free: 10.73 MB / 1.029 GB
Notification: Performance of sort global known variables: time 6.1e-08/0.3754, allocations: 0 / 1.332 GB, free: 10.73 MB / 1.029 GB
Notification: Performance of remove unused functions: time 0.000364/0.3757, allocations: 55.88 kB / 1.332 GB, free: 10.68 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 0.001275/0.377, allocations: 1.157 MB / 1.333 GB, free: 9.504 MB / 1.029 GB
Notification: Performance of simCode: created initialization part: time 0.000413/0.3774, allocations: 272.7 kB / 1.334 GB, free: 9.238 MB / 1.029 GB
Notification: Performance of simCode: created event and clocks part: time 2.665e-06/0.3774, allocations: 0 / 1.334 GB, free: 9.238 MB / 1.029 GB
Notification: Performance of simCode: created simulation system equations: time 0.0001116/0.3775, allocations: 72.23 kB / 1.334 GB, free: 9.168 MB / 1.029 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002275/0.3778, allocations: 13.39 kB / 1.334 GB, free: 9.156 MB / 1.029 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002838/0.3806, allocations: 2.52 MB / 1.336 GB, free: 6.523 MB / 1.029 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001102/0.3807, allocations: 97.62 kB / 1.336 GB, free: 6.406 MB / 1.029 GB
Notification: Performance of simCode: alias equations: time 4.334e-05/0.3808, allocations: 17.08 kB / 1.336 GB, free: 6.391 MB / 1.029 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 7.331e-05/0.3808, allocations: 43.42 kB / 1.336 GB, free: 6.348 MB / 1.029 GB
Notification: Performance of SimCode: time 7.41e-07/0.3808, allocations: 3.938 kB / 1.336 GB, free: 6.344 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03141/0.4123, allocations: 3.701 MB / 1.34 GB, free: 2.793 MB / 1.029 GB
Notification: Performance of buildModelFMU: Generate platform static: time 11.51/11.92, allocations: 0 / 1.34 GB, free: 2.793 MB / 1.029 GB
"
[Timeout remaining time 288]
(rm -f Buildings_12_Buildings.Occupants.BaseClasses.Validation.Linear1D.pipe ; mkfifo Buildings_12_Buildings.Occupants.BaseClasses.Validation.Linear1D.pipe ; head -c 1048576 < Buildings_12_Buildings.Occupants.BaseClasses.Validation.Linear1D.pipe >> ../files/Buildings_12_Buildings.Occupants.BaseClasses.Validation.Linear1D.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_12_Buildings.Occupants.BaseClasses.Validation.Linear1D_res.mat --tempDir=temp_Buildings_12_Buildings_Occupants_BaseClasses_Validation_Linear1D_fmu --startTime=0 --stopTime=1 --stepSize=0.0004 --timeout=400 --tolerance=1e-06 Buildings_12_Buildings_Occupants_BaseClasses_Validation_Linear1D.fmu > Buildings_12_Buildings.Occupants.BaseClasses.Validation.Linear1D.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_12_Buildings.Occupants.BaseClasses.Validation.Linear1D_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Occupants_BaseClasses_Validation_Linear1D.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Occupants.BaseClasses.Validation.Linear1D.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: 18.994868800975382]