Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_11_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001524/0.001524, allocations: 105.2 kB / 16.45 MB, free: 6.445 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001728/0.001728, allocations: 187.7 kB / 19.4 MB, free: 3.66 MB / 14.72 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.423/1.423, allocations: 225.6 MB / 247.8 MB, free: 3.746 MB / 190.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo): time 2.687/2.687, allocations: 476.7 MB / 0.7611 GB, free: 15.69 MB / 0.6075 GB
"
[Timeout remaining time 177]
Using package Buildings with version 11.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.1.0-maint.11.x/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle,fileNamePrefix="Buildings_11_Buildings_BoundaryConditions_SolarGeometry_BaseClasses_Examples_SolarHourAngle",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle,fileNamePrefix="Buildings_11_Buildings_BoundaryConditions_SolarGeometry_BaseClasses_Examples_SolarHourAngle",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 0.001919/0.001919, allocations: 64.12 kB / 1.104 GB, free: 6.582 MB / 0.8419 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.9911/0.993, allocations: 168.7 MB / 1.269 GB, free: 7.629 MB / 0.9981 GB
Notification: Performance of NFInst.instantiate(Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle): time 0.006575/0.9996, allocations: 4.818 MB / 1.273 GB, free: 4.309 MB / 0.9981 GB
Notification: Performance of NFInst.instExpressions: time 0.2046/1.204, allocations: 151 MB / 1.421 GB, free: 4.234 MB / 1.107 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001166/1.205, allocations: 15.56 kB / 1.421 GB, free: 4.23 MB / 1.107 GB
Notification: Performance of NFTyping.typeComponents: time 0.0006957/1.206, allocations: 194 kB / 1.421 GB, free: 4.059 MB / 1.107 GB
Notification: Performance of NFTyping.typeBindings: time 0.002159/1.208, allocations: 0.5455 MB / 1.422 GB, free: 3.652 MB / 1.107 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002237/1.21, allocations: 0.8283 MB / 1.422 GB, free: 3.023 MB / 1.107 GB
Notification: Performance of NFFlatten.flatten: time 0.001884/1.212, allocations: 1.369 MB / 1.424 GB, free: 2.168 MB / 1.107 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0007617/1.213, allocations: 413.7 kB / 1.424 GB, free: 1.867 MB / 1.107 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0008181/1.214, allocations: 487 kB / 1.425 GB, free: 1.578 MB / 1.107 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.000631/1.215, allocations: 500 kB / 1.425 GB, free: 1.23 MB / 1.107 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001631/1.215, allocations: 113.4 kB / 1.425 GB, free: 1.23 MB / 1.107 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.00107/1.216, allocations: 494.1 kB / 1.426 GB, free: 1.039 MB / 1.107 GB
Notification: Performance of NFScalarize.scalarize: time 0.0002902/1.216, allocations: 289.1 kB / 1.426 GB, free: 0.8125 MB / 1.107 GB
Notification: Performance of NFVerifyModel.verify: time 0.0005751/1.217, allocations: 0.5486 MB / 1.427 GB, free: 416 kB / 1.107 GB
Notification: Performance of NFConvertDAE.convert: time 0.00228/1.219, allocations: 1.612 MB / 1.428 GB, free: 15.25 MB / 1.123 GB
Notification: Performance of FrontEnd - DAE generated: time 5.631e-06/1.219, allocations: 0 / 1.428 GB, free: 15.25 MB / 1.123 GB
Notification: Performance of FrontEnd: time 1.773e-06/1.219, allocations: 1.094 kB / 1.428 GB, free: 15.25 MB / 1.123 GB
Notification: Performance of Transformations before backend: time 2.564e-05/1.219, allocations: 0 / 1.428 GB, free: 15.25 MB / 1.123 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 208
 * Number of variables: 208
Notification: Performance of Generate backend data structure: time 0.003042/1.222, allocations: 1.455 MB / 1.43 GB, free: 14.09 MB / 1.123 GB
Notification: Performance of prepare preOptimizeDAE: time 4.569e-05/1.222, allocations: 9.938 kB / 1.43 GB, free: 14.09 MB / 1.123 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000171/1.222, allocations: 135.7 kB / 1.43 GB, free: 13.97 MB / 1.123 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000973/1.223, allocations: 187 kB / 1.43 GB, free: 13.88 MB / 1.123 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001471/1.225, allocations: 0.7639 MB / 1.431 GB, free: 13.25 MB / 1.123 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.638e-05/1.225, allocations: 63.75 kB / 1.431 GB, free: 13.22 MB / 1.123 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001124/1.225, allocations: 76.44 kB / 1.431 GB, free: 13.2 MB / 1.123 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001603/1.226, allocations: 0.9026 MB / 1.432 GB, free: 12.61 MB / 1.123 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.445e-05/1.226, allocations: 7.938 kB / 1.432 GB, free: 12.61 MB / 1.123 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.427e-05/1.227, allocations: 37.31 kB / 1.432 GB, free: 12.58 MB / 1.123 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.744e-05/1.227, allocations: 19.72 kB / 1.432 GB, free: 12.58 MB / 1.123 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001774/1.228, allocations: 1.097 MB / 1.433 GB, free: 12.06 MB / 1.123 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004389/1.233, allocations: 2.646 MB / 1.435 GB, free: 9.93 MB / 1.123 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001511/1.234, allocations: 0.8232 MB / 1.436 GB, free: 9.457 MB / 1.123 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0005095/1.235, allocations: 274.2 kB / 1.436 GB, free: 9.309 MB / 1.123 GB
Notification: Performance of preOpt evalFunc (simulation): time 8.281e-05/1.235, allocations: 37.39 kB / 1.436 GB, free: 9.281 MB / 1.123 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008528/1.236, allocations: 488.7 kB / 1.437 GB, free: 8.785 MB / 1.123 GB
Notification: Performance of pre-optimization done (n=79): time 2.775e-06/1.236, allocations: 0 / 1.437 GB, free: 8.785 MB / 1.123 GB
Notification: Performance of matching and sorting (n=79): time 0.003269/1.239, allocations: 1.19 MB / 1.438 GB, free: 7.57 MB / 1.123 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001382/1.239, allocations: 192.6 kB / 1.438 GB, free: 7.34 MB / 1.123 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008851/1.24, allocations: 0.6176 MB / 1.439 GB, free: 6.715 MB / 1.123 GB
Notification: Performance of collectPreVariables (initialization): time 7.904e-05/1.24, allocations: 37.7 kB / 1.439 GB, free: 6.672 MB / 1.123 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003774/1.24, allocations: 409 kB / 1.439 GB, free: 6.266 MB / 1.123 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0002532/1.241, allocations: 265.7 kB / 1.44 GB, free: 6.004 MB / 1.123 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002284/1.241, allocations: 146.6 kB / 1.44 GB, free: 5.855 MB / 1.123 GB
Notification: Performance of setup shared object (initialization): time 0.0001991/1.241, allocations: 386.7 kB / 1.44 GB, free: 5.469 MB / 1.123 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004891/1.242, allocations: 241.9 kB / 1.44 GB, free: 5.23 MB / 1.123 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006052/1.242, allocations: 354.6 kB / 1.441 GB, free: 4.859 MB / 1.123 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001086/1.243, allocations: 0.5838 MB / 1.441 GB, free: 4.266 MB / 1.123 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.42e-06/1.243, allocations: 0 / 1.441 GB, free: 4.266 MB / 1.123 GB
Notification: Performance of matching and sorting (n=87) (initialization): time 0.002045/1.245, allocations: 0.7946 MB / 1.442 GB, free: 3.461 MB / 1.123 GB
Notification: Performance of prepare postOptimizeDAE: time 2.605e-05/1.245, allocations: 4 kB / 1.442 GB, free: 3.457 MB / 1.123 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.277e-06/1.245, allocations: 0 / 1.442 GB, free: 3.457 MB / 1.123 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0006428/1.246, allocations: 84.86 kB / 1.442 GB, free: 3.371 MB / 1.123 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006459/1.247, allocations: 151.7 kB / 1.442 GB, free: 3.223 MB / 1.123 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002549/1.249, allocations: 1.631 MB / 1.444 GB, free: 1.445 MB / 1.123 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008356/1.25, allocations: 83.52 kB / 1.444 GB, free: 1.363 MB / 1.123 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.99e-05/1.25, allocations: 35.97 kB / 1.444 GB, free: 1.328 MB / 1.123 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 4
 * Number of states: 0 ()
 * Number of discrete variables: 15 (weaDat.decAng.tNext,$PRE.weaDat.decAng.tNext,weaDat.eqnTim.tNext,$PRE.weaDat.eqnTim.tNext,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,weaDat.locTim.tNext,$PRE.weaDat.locTim.tNext,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (85):
 * Single equations (assignments): 84
 * 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): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(1,2)}
Notification: Performance of prepare postOptimizeDAE: time 0.0005751/1.251, allocations: 266.4 kB / 1.444 GB, free: 1.059 MB / 1.123 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002226/1.251, allocations: 87.44 kB / 1.444 GB, free: 0.9727 MB / 1.123 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002493/1.253, allocations: 1.042 MB / 1.445 GB, free: 15.91 MB / 1.139 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.627e-05/1.253, allocations: 12 kB / 1.445 GB, free: 15.9 MB / 1.139 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.657e-06/1.253, allocations: 0 / 1.445 GB, free: 15.9 MB / 1.139 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.23e-05/1.253, allocations: 7.922 kB / 1.445 GB, free: 15.89 MB / 1.139 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0035/1.257, allocations: 1.916 MB / 1.447 GB, free: 13.92 MB / 1.139 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.272e-06/1.257, allocations: 0 / 1.447 GB, free: 13.92 MB / 1.139 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005626/1.257, allocations: 139.8 kB / 1.447 GB, free: 13.78 MB / 1.139 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0004374/1.258, allocations: 72.78 kB / 1.447 GB, free: 13.71 MB / 1.139 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.193e-05/1.258, allocations: 27.92 kB / 1.447 GB, free: 13.68 MB / 1.139 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002127/1.26, allocations: 1.666 MB / 1.449 GB, free: 11.87 MB / 1.139 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.693e-06/1.26, allocations: 0 / 1.449 GB, free: 11.87 MB / 1.139 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002175/1.262, allocations: 0.9906 MB / 1.45 GB, free: 10.86 MB / 1.139 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0005686/1.263, allocations: 272.2 kB / 1.45 GB, free: 10.57 MB / 1.139 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001322/1.263, allocations: 16 kB / 1.45 GB, free: 10.55 MB / 1.139 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006384/1.264, allocations: 67.92 kB / 1.45 GB, free: 10.49 MB / 1.139 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001493/1.264, allocations: 68.91 kB / 1.45 GB, free: 10.42 MB / 1.139 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.356e-05/1.264, allocations: 35.97 kB / 1.45 GB, free: 10.39 MB / 1.139 GB
Notification: Performance of sorting global known variables: time 0.0006387/1.264, allocations: 455 kB / 1.451 GB, free: 9.945 MB / 1.139 GB
Notification: Performance of sort global known variables: time 6e-08/1.264, allocations: 0 / 1.451 GB, free: 9.945 MB / 1.139 GB
Notification: Performance of remove unused functions: time 0.0009953/1.265, allocations: 311.2 kB / 1.451 GB, free: 9.641 MB / 1.139 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 0 ()
 * Number of discrete variables: 10 ($whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,weaDat.locTim.tNext,weaDat.conTimMin.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext)
 * Number of discrete states: 5 (weaDat.locTim.tNext,weaDat.conTim.tNext,weaDat.eqnTim.tNext,weaDat.decAng.tNext,weaDat.conTimMin.tNext)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (90):
 * Single equations (assignments): 84
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 5
 * 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): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(1,3)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.004238/1.27, allocations: 2.059 MB / 1.453 GB, free: 7.75 MB / 1.139 GB
Notification: Performance of simCode: created initialization part: time 0.001732/1.271, allocations: 0.7689 MB / 1.454 GB, free: 6.969 MB / 1.139 GB
Notification: Performance of simCode: created event and clocks part: time 4.318e-06/1.271, allocations: 0 / 1.454 GB, free: 6.969 MB / 1.139 GB
Notification: Performance of simCode: created simulation system equations: time 0.0009258/1.272, allocations: 484.2 kB / 1.454 GB, free: 6.484 MB / 1.139 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001391/1.274, allocations: 305.7 kB / 1.455 GB, free: 6.207 MB / 1.139 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01169/1.285, allocations: 6.161 MB / 1.461 GB, free: 15.94 MB / 1.154 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007169/1.286, allocations: 1.016 MB / 1.462 GB, free: 14.89 MB / 1.154 GB
Notification: Performance of simCode: alias equations: time 0.0009505/1.287, allocations: 266.5 kB / 1.462 GB, free: 14.63 MB / 1.154 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005917/1.288, allocations: 383.2 kB / 1.462 GB, free: 14.25 MB / 1.154 GB
Notification: Performance of SimCode: time 1.032e-06/1.288, allocations: 0 / 1.462 GB, free: 14.25 MB / 1.154 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06075/1.348, allocations: 21.43 MB / 1.483 GB, free: 9.129 MB / 1.17 GB
Notification: Performance of buildModelFMU: Generate platform static: time 13.14/14.49, allocations: 2.438 kB / 1.483 GB, free: 9.129 MB / 1.17 GB
"
[Timeout remaining time 285]
(rm -f Buildings_11_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle.pipe ; mkfifo Buildings_11_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle.pipe ; head -c 1048576 < Buildings_11_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle.pipe >> ../files/Buildings_11_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_11_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle_res.mat --tempDir=temp_Buildings_11_Buildings_BoundaryConditions_SolarGeometry_BaseClasses_Examples_SolarHourAngle_fmu --startTime=0 --stopTime=86400 --stepSize=34.56 --timeout=400 --tolerance=1e-06 Buildings_11_Buildings_BoundaryConditions_SolarGeometry_BaseClasses_Examples_SolarHourAngle.fmu > Buildings_11_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_11_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_11.x/Buildings_BoundaryConditions_SolarGeometry_BaseClasses_Examples_SolarHourAngle.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork_2/OpenModelicaLibraryTesting/files/Buildings_11_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.SolarHourAngle.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: 20.66594102513045]