Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.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 0.001233/0.001233, allocations: 81.86 kB / 21.44 MB, free: 3.059 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 0.001281/0.001281, allocations: 176.7 kB / 24.84 MB, free: 8.906 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 1.034/1.034, allocations: 177.1 MB / 205.3 MB, free: 5.488 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.6564/0.6564, allocations: 115 MB / 376.8 MB, free: 7.508 MB / 346.7 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 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(IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid")
translateModel(IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.563e-06/1.563e-06, allocations: 0 / 482.7 MB, free: 11.68 MB / 410.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.656e-05/2.812e-05, allocations: 5.219 kB / 482.7 MB, free: 11.68 MB / 410.7 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid): time 0.004209/0.004237, allocations: 2.377 MB / 485.1 MB, free: 10.13 MB / 410.7 MB
Notification: Performance of NFInst.instExpressions: time 0.002548/0.006786, allocations: 1.3 MB / 486.4 MB, free: 9.297 MB / 410.7 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0001883/0.006974, allocations: 8.906 kB / 486.4 MB, free: 9.293 MB / 410.7 MB
Notification: Performance of NFTyping.typeComponents: time 0.0005469/0.007521, allocations: 95.59 kB / 486.5 MB, free: 9.238 MB / 410.7 MB
Notification: Performance of NFTyping.typeBindings: time 0.0005051/0.008026, allocations: 167.6 kB / 486.7 MB, free: 9.145 MB / 410.7 MB
Notification: Performance of NFTyping.typeClassSections: time 0.0005257/0.008552, allocations: 191.6 kB / 486.9 MB, free: 9.055 MB / 410.7 MB
Notification: Performance of NFFlatten.flatten: time 0.0004637/0.009015, allocations: 330.7 kB / 487.2 MB, free: 8.906 MB / 410.7 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0003355/0.009351, allocations: 154.5 kB / 487.3 MB, free: 8.836 MB / 410.7 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.000373/0.009724, allocations: 184.5 kB / 487.5 MB, free: 8.758 MB / 410.7 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.0003361/0.01006, allocations: 145.7 kB / 487.7 MB, free: 8.715 MB / 410.7 MB
Notification: Performance of NFPackage.collectConstants: time 4.963e-05/0.01011, allocations: 19.88 kB / 487.7 MB, free: 8.715 MB / 410.7 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0003788/0.01049, allocations: 188.9 kB / 487.9 MB, free: 8.656 MB / 410.7 MB
Notification: Performance of NFScalarize.scalarize: time 0.0001113/0.0106, allocations: 89.75 kB / 487.9 MB, free: 8.613 MB / 410.7 MB
Notification: Performance of NFVerifyModel.verify: time 0.0001157/0.01072, allocations: 86.77 kB / 488 MB, free: 8.574 MB / 410.7 MB
Notification: Performance of NFConvertDAE.convert: time 0.0005095/0.01123, allocations: 308.2 kB / 488.3 MB, free: 8.457 MB / 410.7 MB
Notification: Performance of FrontEnd - DAE generated: time 3.957e-06/0.01123, allocations: 0 / 488.3 MB, free: 8.457 MB / 410.7 MB
Notification: Performance of FrontEnd: time 1.663e-06/0.01123, allocations: 1.531 kB / 488.3 MB, free: 8.457 MB / 410.7 MB
Notification: Performance of Transformations before backend: time 7.714e-06/0.01124, allocations: 2 kB / 488.3 MB, free: 8.457 MB / 410.7 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 53
 * Number of variables: 53
Notification: Performance of Generate backend data structure: time 0.0006806/0.01192, allocations: 0.553 MB / 488.9 MB, free: 7.965 MB / 410.7 MB
Notification: Performance of prepare preOptimizeDAE: time 3.759e-05/0.01196, allocations: 9.219 kB / 488.9 MB, free: 7.965 MB / 410.7 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007971/0.01275, allocations: 148.5 kB / 489 MB, free: 7.918 MB / 410.7 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002812/0.01303, allocations: 205 kB / 489.2 MB, free: 7.742 MB / 410.7 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.027e-05/0.01306, allocations: 20.3 kB / 489.3 MB, free: 7.73 MB / 410.7 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.309e-05/0.0131, allocations: 18.06 kB / 489.3 MB, free: 7.727 MB / 410.7 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004334/0.01353, allocations: 310.7 kB / 489.6 MB, free: 7.504 MB / 410.7 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.756e-05/0.01355, allocations: 5.156 kB / 489.6 MB, free: 7.504 MB / 410.7 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.709e-05/0.01358, allocations: 7.469 kB / 489.6 MB, free: 7.5 MB / 410.7 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.423e-05/0.01363, allocations: 27.39 kB / 489.6 MB, free: 7.488 MB / 410.7 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002598/0.01389, allocations: 112.6 kB / 489.7 MB, free: 7.477 MB / 410.7 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001653/0.01554, allocations: 1.637 MB / 491.4 MB, free: 22.02 MB / 426.7 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0003941/0.01594, allocations: 181.2 kB / 491.5 MB, free: 21.91 MB / 426.7 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001/0.01604, allocations: 58.22 kB / 491.6 MB, free: 21.88 MB / 426.7 MB
Notification: Performance of preOpt evalFunc (simulation): time 9.006e-05/0.01613, allocations: 10.86 kB / 491.6 MB, free: 21.88 MB / 426.7 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.298e-05/0.01615, allocations: 39.77 kB / 491.7 MB, free: 21.83 MB / 426.7 MB
Notification: Performance of pre-optimization done (n=20): time 1.462e-06/0.01615, allocations: 0 / 491.7 MB, free: 21.83 MB / 426.7 MB
Notification: Performance of matching and sorting (n=21): time 0.0007836/0.01694, allocations: 232.1 kB / 491.9 MB, free: 21.73 MB / 426.7 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 2.627e-05/0.01696, allocations: 83.8 kB / 492 MB, free: 21.64 MB / 426.7 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002267/0.01719, allocations: 255.1 kB / 492.2 MB, free: 21.44 MB / 426.7 MB
Notification: Performance of collectPreVariables (initialization): time 4.148e-05/0.01723, allocations: 31.36 kB / 492.2 MB, free: 21.41 MB / 426.7 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0001195/0.01735, allocations: 217.3 kB / 492.5 MB, free: 21.21 MB / 426.7 MB
Notification: Performance of collectInitialBindings (initialization): time 5.51e-05/0.0174, allocations: 76.58 kB / 492.5 MB, free: 21.15 MB / 426.7 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001181/0.01752, allocations: 70.38 kB / 492.6 MB, free: 21.1 MB / 426.7 MB
Notification: Performance of setup shared object (initialization): time 0.0001714/0.01769, allocations: 0.5002 MB / 493.1 MB, free: 20.6 MB / 426.7 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001136/0.01781, allocations: 48.89 kB / 493.1 MB, free: 20.59 MB / 426.7 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001607/0.01797, allocations: 158.5 kB / 493.3 MB, free: 20.44 MB / 426.7 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0002929/0.01826, allocations: 229.2 kB / 493.5 MB, free: 20.25 MB / 426.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.447e-06/0.01827, allocations: 1.125 kB / 493.5 MB, free: 20.25 MB / 426.7 MB
Notification: Performance of matching and sorting (n=33) (initialization): time 0.0005067/0.01877, allocations: 260.1 kB / 493.8 MB, free: 20.15 MB / 426.7 MB
Notification: Performance of prepare postOptimizeDAE: time 2.229e-05/0.01879, allocations: 6.625 kB / 493.8 MB, free: 20.15 MB / 426.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.036e-05/0.0188, allocations: 2.281 kB / 493.8 MB, free: 20.15 MB / 426.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0002125/0.01902, allocations: 42.88 kB / 493.8 MB, free: 20.14 MB / 426.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001785/0.0192, allocations: 60.45 kB / 493.9 MB, free: 20.13 MB / 426.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001157/0.02035, allocations: 1.828 MB / 495.7 MB, free: 18.33 MB / 426.7 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001485/0.0205, allocations: 24.89 kB / 495.7 MB, free: 18.32 MB / 426.7 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.879e-05/0.02052, allocations: 15.28 kB / 495.8 MB, free: 18.31 MB / 426.7 MB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001204/0.02064, allocations: 168.7 kB / 495.9 MB, free: 18.18 MB / 426.7 MB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001047/0.02074, allocations: 156.4 kB / 496.1 MB, free: 18.03 MB / 426.7 MB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001861/0.02093, allocations: 223.7 kB / 496.3 MB, free: 17.84 MB / 426.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.363e-06/0.02093, allocations: 0 / 496.3 MB, free: 17.84 MB / 426.7 MB
Notification: Performance of matching and sorting (n=33) (initialization_lambda0): time 0.0003418/0.02127, allocations: 249.1 kB / 496.5 MB, free: 17.74 MB / 426.7 MB
Notification: Performance of prepare postOptimizeDAE: time 1.32e-05/0.02129, allocations: 13.66 kB / 496.5 MB, free: 17.73 MB / 426.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.35e-06/0.02129, allocations: 4.812 kB / 496.6 MB, free: 17.73 MB / 426.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0001279/0.02142, allocations: 45.31 kB / 496.6 MB, free: 17.71 MB / 426.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001637/0.02158, allocations: 60.7 kB / 496.7 MB, free: 17.71 MB / 426.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000865/0.02245, allocations: 1.827 MB / 498.5 MB, free: 15.91 MB / 426.7 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001218/0.02257, allocations: 17.2 kB / 498.5 MB, free: 15.9 MB / 426.7 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.699e-05/0.02259, allocations: 11.36 kB / 498.5 MB, free: 15.9 MB / 426.7 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 12
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (31):
 * Single equations (assignments): 30
 * 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
   {(1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0001246/0.02271, allocations: 290.1 kB / 498.8 MB, free: 15.61 MB / 426.7 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 5.772e-05/0.02277, allocations: 30.75 kB / 498.8 MB, free: 15.6 MB / 426.7 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002317/0.023, allocations: 183 kB / 499 MB, free: 15.51 MB / 426.7 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.447e-06/0.02301, allocations: 3.344 kB / 499 MB, free: 15.51 MB / 426.7 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.586e-06/0.02301, allocations: 1.25 kB / 499 MB, free: 15.51 MB / 426.7 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.629e-06/0.02301, allocations: 3.938 kB / 499 MB, free: 15.5 MB / 426.7 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005992/0.02361, allocations: 0.6858 MB / 499.7 MB, free: 14.93 MB / 426.7 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.035e-06/0.02362, allocations: 3.156 kB / 499.7 MB, free: 14.93 MB / 426.7 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 9.425e-05/0.02371, allocations: 36.47 kB / 499.7 MB, free: 14.93 MB / 426.7 MB
Notification: Performance of postOpt tearingSystem (simulation): time 9.391e-05/0.0238, allocations: 40.11 kB / 499.8 MB, free: 14.91 MB / 426.7 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.315e-05/0.02382, allocations: 7.375 kB / 499.8 MB, free: 14.91 MB / 426.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000783/0.0246, allocations: 1.762 MB / 0.4898 GB, free: 13.15 MB / 426.7 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.825e-06/0.0246, allocations: 2.688 kB / 0.4898 GB, free: 13.15 MB / 426.7 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000447/0.02505, allocations: 492.6 kB / 0.4903 GB, free: 12.73 MB / 426.7 MB
Notification: Performance of postOpt removeConstants (simulation): time 6.479e-05/0.02511, allocations: 49.67 kB / 0.4903 GB, free: 12.7 MB / 426.7 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 2.481e-05/0.02514, allocations: 8.938 kB / 0.4903 GB, free: 12.7 MB / 426.7 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001138/0.02525, allocations: 9.719 kB / 0.4903 GB, free: 12.69 MB / 426.7 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 7.179e-05/0.02532, allocations: 24.48 kB / 0.4904 GB, free: 12.68 MB / 426.7 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.349e-05/0.02534, allocations: 9.094 kB / 0.4904 GB, free: 12.68 MB / 426.7 MB
Notification: Performance of sorting global known variables: time 0.0001135/0.02545, allocations: 182.9 kB / 0.4905 GB, free: 12.55 MB / 426.7 MB
Notification: Performance of sort global known variables: time 6e-08/0.02545, allocations: 0 / 0.4905 GB, free: 12.55 MB / 426.7 MB
Notification: Performance of remove unused functions: time 0.0005106/0.02596, allocations: 111.5 kB / 0.4906 GB, free: 12.54 MB / 426.7 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 8
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (21):
 * Single equations (assignments): 20
 * 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
   {(1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.0001386/0.0261, allocations: 107 kB / 0.4907 GB, free: 12.44 MB / 426.7 MB
Notification: Performance of simCode: created initialization part: time 0.0006783/0.02678, allocations: 0.6151 MB / 0.4913 GB, free: 12.02 MB / 426.7 MB
Notification: Performance of simCode: created event and clocks part: time 2.024e-06/0.02678, allocations: 0.8438 kB / 0.4913 GB, free: 12.02 MB / 426.7 MB
Notification: Performance of simCode: created simulation system equations: time 0.0001598/0.02694, allocations: 245.2 kB / 0.4916 GB, free: 11.82 MB / 426.7 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003108/0.02725, allocations: 45.09 kB / 0.4916 GB, free: 11.8 MB / 426.7 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0008079/0.02806, allocations: 0.5056 MB / 0.4921 GB, free: 11.43 MB / 426.7 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 7.973e-05/0.02814, allocations: 102.5 kB / 0.4922 GB, free: 11.36 MB / 426.7 MB
Notification: Performance of simCode: alias equations: time 0.0001476/0.02829, allocations: 35.42 kB / 0.4922 GB, free: 11.36 MB / 426.7 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001241/0.02841, allocations: 102.9 kB / 0.4923 GB, free: 11.29 MB / 426.7 MB
Notification: Performance of SimCode: time 1.032e-06/0.02841, allocations: 0 / 0.4923 GB, free: 11.29 MB / 426.7 MB
Notification: Performance of Templates: time 0.006824/0.03524, allocations: 4 MB / 0.4963 GB, free: 10.93 MB / 426.7 MB
"
[Timeout remaining time 660]
make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.sim & ./IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid -abortSlowSimulation -alarm=240  -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Examples.GeneratorLoadGrid.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 3.757629790343344]