Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20.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 0.0009789/0.0009789, allocations: 80.8 kB / 21.49 MB, free: 2.992 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 0.001112/0.001112, allocations: 169.1 kB / 24.91 MB, free: 9.191 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 0.9544/0.9544, allocations: 177.1 MB / 205.3 MB, free: 5.484 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo): time 0.6162/0.6162, allocations: 88.08 MB / 349.9 MB, free: 14.13 MB / 330.7 MB
"
[Timeout remaining time 179]
Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite 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(ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="der.heatcapacitor.[0-9,]+..T.|heatcapacitor.[0-9,]+..T|heatcapacitor.[0-9,]+..der_T|heatcapacitor.[0-9,]+..port.Q_flow|heatcapacitor.[0-9,]+..port.T|thermalconductor.[0-9,]+..Q_flow|thermalconductor.[0-9,]+..dT|thermalconductor.[0-9,]+..port_a.Q_flow|thermalconductor.[0-9,]+..port_b.Q_flow|thermalconductor.[0-9,]+..port_b.T|thermalconductor.[0-9,]+..port_a.T|time",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20")
translateModel(ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="der.heatcapacitor.[0-9,]+..T.|heatcapacitor.[0-9,]+..T|heatcapacitor.[0-9,]+..der_T|heatcapacitor.[0-9,]+..port.Q_flow|heatcapacitor.[0-9,]+..port.T|thermalconductor.[0-9,]+..Q_flow|thermalconductor.[0-9,]+..dT|thermalconductor.[0-9,]+..port_a.Q_flow|thermalconductor.[0-9,]+..port_b.Q_flow|thermalconductor.[0-9,]+..port_b.T|thermalconductor.[0-9,]+..port_a.T|time",fileNamePrefix="ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20") [Timeout 300]
"Notification: Performance of FrontEnd - loaded program: time 1.312e-06/1.312e-06, allocations: 0 / 398.9 MB, free: 13.47 MB / 378.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 1.416e-05/1.547e-05, allocations: 6.312 kB / 398.9 MB, free: 13.46 MB / 378.7 MB
Notification: Performance of NFInst.instantiate(ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20): time 0.001848/0.001863, allocations: 1.715 MB / 400.6 MB, free: 11.73 MB / 378.7 MB
Notification: Performance of NFInst.instExpressions: time 0.0002419/0.002105, allocations: 99.61 kB / 400.7 MB, free: 11.64 MB / 378.7 MB
Notification: Performance of NFInst.updateImplicitVariability: time 4.331e-05/0.002149, allocations: 0 / 400.7 MB, free: 11.64 MB / 378.7 MB
Notification: Performance of NFTyping.typeComponents: time 0.0001028/0.002251, allocations: 19.84 kB / 400.7 MB, free: 11.62 MB / 378.7 MB
Notification: Performance of NFTyping.typeBindings: time 6.661e-05/0.002318, allocations: 35.64 kB / 400.8 MB, free: 11.58 MB / 378.7 MB
Notification: Performance of NFTyping.typeClassSections: time 0.0001358/0.002454, allocations: 27.89 kB / 400.8 MB, free: 11.55 MB / 378.7 MB
Notification: Performance of NFFlatten.flatten: time 0.0006456/0.003099, allocations: 1.167 MB / 402 MB, free: 10.38 MB / 378.7 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.00029/0.003389, allocations: 302.3 kB / 402.3 MB, free: 10.08 MB / 378.7 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0004658/0.003855, allocations: 0.62 MB / 402.9 MB, free: 9.457 MB / 378.7 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.000379/0.004234, allocations: 447.1 kB / 403.3 MB, free: 9.02 MB / 378.7 MB
Notification: Performance of NFPackage.collectConstants: time 8.273e-05/0.004317, allocations: 84 kB / 403.4 MB, free: 8.938 MB / 378.7 MB
Notification: Performance of NFFlatten.collectFunctions: time 8.126e-05/0.004398, allocations: 80 kB / 403.5 MB, free: 8.859 MB / 378.7 MB
Notification: Performance of NFScalarize.scalarize: time 0.0001057/0.004504, allocations: 215.3 kB / 403.7 MB, free: 8.648 MB / 378.7 MB
Notification: Performance of NFVerifyModel.verify: time 0.0002229/0.004727, allocations: 351.3 kB / 404 MB, free: 8.305 MB / 378.7 MB
Notification: Performance of NFConvertDAE.convert: time 0.000469/0.005196, allocations: 0.7204 MB / 404.8 MB, free: 7.582 MB / 378.7 MB
Notification: Performance of FrontEnd - DAE generated: time 2.274e-06/0.005198, allocations: 3.938 kB / 404.8 MB, free: 7.578 MB / 378.7 MB
Notification: Performance of FrontEnd: time 8.22e-07/0.005199, allocations: 0 / 404.8 MB, free: 7.578 MB / 378.7 MB
Notification: Performance of Transformations before backend: time 1.157e-05/0.00521, allocations: 0 / 404.8 MB, free: 7.578 MB / 378.7 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 190
 * Number of variables: 190
Notification: Performance of Generate backend data structure: time 0.000982/0.006192, allocations: 0.9451 MB / 405.7 MB, free: 6.602 MB / 378.7 MB
Notification: Performance of prepare preOptimizeDAE: time 3.103e-05/0.006223, allocations: 12.03 kB / 405.7 MB, free: 6.59 MB / 378.7 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001326/0.006356, allocations: 124.8 kB / 405.8 MB, free: 6.469 MB / 378.7 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002933/0.006649, allocations: 264.2 kB / 406.1 MB, free: 6.184 MB / 378.7 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.306e-05/0.006683, allocations: 58.38 kB / 406.2 MB, free: 6.129 MB / 378.7 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.812e-05/0.006771, allocations: 84.33 kB / 406.2 MB, free: 6.047 MB / 378.7 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004267/0.007197, allocations: 443.7 kB / 406.7 MB, free: 5.605 MB / 378.7 MB
Notification: Performance of preOpt findStateOrder (simulation): time 2.211e-05/0.007219, allocations: 12.12 kB / 406.7 MB, free: 5.594 MB / 378.7 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.958e-05/0.007259, allocations: 28.38 kB / 406.7 MB, free: 5.566 MB / 378.7 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.112e-05/0.00727, allocations: 20.38 kB / 406.7 MB, free: 5.547 MB / 378.7 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002929/0.007563, allocations: 241.8 kB / 407 MB, free: 5.309 MB / 378.7 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001453/0.009016, allocations: 1.185 MB / 408.2 MB, free: 4.105 MB / 378.7 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0006344/0.009651, allocations: 0.5322 MB / 408.7 MB, free: 3.562 MB / 378.7 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001816/0.009832, allocations: 203.7 kB / 408.9 MB, free: 3.363 MB / 378.7 MB
Notification: Performance of preOpt evalFunc (simulation): time 2.16e-05/0.009854, allocations: 17 kB / 408.9 MB, free: 3.348 MB / 378.7 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.234e-05/0.009876, allocations: 43.56 kB / 408.9 MB, free: 3.297 MB / 378.7 MB
Notification: Performance of pre-optimization done (n=92): time 1.703e-06/0.009878, allocations: 0 / 408.9 MB, free: 3.297 MB / 378.7 MB
Notification: Performance of matching and sorting (n=92): time 0.0004656/0.01034, allocations: 423.9 kB / 409.4 MB, free: 2.875 MB / 378.7 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.735e-05/0.01038, allocations: 60.41 kB / 409.4 MB, free: 2.801 MB / 378.7 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001455/0.01053, allocations: 241 kB / 409.7 MB, free: 2.555 MB / 378.7 MB
Notification: Performance of collectPreVariables (initialization): time 3.139e-05/0.01056, allocations: 41.7 kB / 409.7 MB, free: 2.508 MB / 378.7 MB
Notification: Performance of collectInitialEqns (initialization): time 9.169e-05/0.01065, allocations: 233.9 kB / 409.9 MB, free: 2.273 MB / 378.7 MB
Notification: Performance of collectInitialBindings (initialization): time 0.0001639/0.01081, allocations: 344.9 kB / 410.3 MB, free: 1.934 MB / 378.7 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001311/0.01094, allocations: 142.6 kB / 410.4 MB, free: 1.789 MB / 378.7 MB
Notification: Performance of setup shared object (initialization): time 0.0001071/0.01105, allocations: 362.6 kB / 410.8 MB, free: 1.426 MB / 378.7 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001008/0.01115, allocations: 81.95 kB / 410.8 MB, free: 1.348 MB / 378.7 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001033/0.01126, allocations: 88.97 kB / 410.9 MB, free: 1.262 MB / 378.7 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0003588/0.01161, allocations: 285.1 kB / 411.2 MB, free: 0.9805 MB / 378.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.537e-06/0.01162, allocations: 0 / 411.2 MB, free: 0.9805 MB / 378.7 MB
Notification: Performance of matching and sorting (n=110) (initialization): time 0.000375/0.01199, allocations: 363.4 kB / 411.6 MB, free: 0.6211 MB / 378.7 MB
Notification: Performance of prepare postOptimizeDAE: time 1.294e-05/0.01201, allocations: 4 kB / 411.6 MB, free: 0.6172 MB / 378.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.02e-06/0.01201, allocations: 0 / 411.6 MB, free: 0.6172 MB / 378.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 1.197e-05/0.01202, allocations: 4 kB / 411.6 MB, free: 0.6133 MB / 378.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003951/0.01242, allocations: 215.7 kB / 411.8 MB, free: 412 kB / 378.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.27e-06/0.01242, allocations: 4 kB / 411.8 MB, free: 408 kB / 378.7 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001442/0.01257, allocations: 59.52 kB / 411.8 MB, free: 348 kB / 378.7 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.141e-05/0.01259, allocations: 20 kB / 411.9 MB, free: 328 kB / 378.7 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 1
 * 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 (110):
 * Single equations (assignments): 110
 * Array equations: 0
 * 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 0.0001226/0.01271, allocations: 149.7 kB / 412 MB, free: 168 kB / 378.7 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 6.946e-05/0.01278, allocations: 67.94 kB / 412.1 MB, free: 100 kB / 378.7 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 7.426e-05/0.01286, allocations: 77.23 kB / 412.1 MB, free: 24 kB / 378.7 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.075e-06/0.01286, allocations: 15.98 kB / 412.2 MB, free: 8 kB / 378.7 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.509e-06/0.01287, allocations: 0 / 412.2 MB, free: 8 kB / 378.7 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.443e-06/0.01287, allocations: 7.922 kB / 412.2 MB, free: 0 / 378.7 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003659/0.01324, allocations: 354.2 kB / 412.5 MB, free: 15.64 MB / 394.7 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.284e-06/0.01324, allocations: 0 / 412.5 MB, free: 15.64 MB / 394.7 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004617/0.0137, allocations: 207.8 kB / 412.7 MB, free: 15.43 MB / 394.7 MB
Notification: Performance of postOpt tearingSystem (simulation): time 4.137e-06/0.01371, allocations: 4 kB / 412.7 MB, free: 15.43 MB / 394.7 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.932e-05/0.01375, allocations: 35.97 kB / 412.8 MB, free: 15.39 MB / 394.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.524e-06/0.01375, allocations: 0 / 412.8 MB, free: 15.39 MB / 394.7 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.335e-06/0.01375, allocations: 4 kB / 412.8 MB, free: 15.39 MB / 394.7 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005302/0.01428, allocations: 0.6107 MB / 413.4 MB, free: 14.76 MB / 394.7 MB
Notification: Performance of postOpt removeConstants (simulation): time 4.712e-05/0.01433, allocations: 51.53 kB / 413.4 MB, free: 14.71 MB / 394.7 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.814e-05/0.01438, allocations: 23.98 kB / 413.4 MB, free: 14.69 MB / 394.7 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001244/0.0145, allocations: 20 kB / 413.5 MB, free: 14.67 MB / 394.7 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 4.814e-05/0.01455, allocations: 56.83 kB / 413.5 MB, free: 14.61 MB / 394.7 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.703e-05/0.01457, allocations: 12 kB / 413.5 MB, free: 14.6 MB / 394.7 MB
Notification: Performance of sorting global known variables: time 7.021e-05/0.01464, allocations: 90.78 kB / 413.6 MB, free: 14.51 MB / 394.7 MB
Notification: Performance of sort global known variables: time 5e-08/0.01464, allocations: 0 / 413.6 MB, free: 14.51 MB / 394.7 MB
Notification: Performance of remove unused functions: time 0.0002941/0.01493, allocations: 247.6 kB / 413.9 MB, free: 14.27 MB / 394.7 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 18 (heatcapacitor[1].T,heatcapacitor[2].T,heatcapacitor[3].T,heatcapacitor[4].T,heatcapacitor[5].T,heatcapacitor[6].T,heatcapacitor[7].T,heatcapacitor[8].T,heatcapacitor[9].T,heatcapacitor[10].T,heatcapacitor[11].T,heatcapacitor[12].T,heatcapacitor[13].T,heatcapacitor[14].T,heatcapacitor[15].T,heatcapacitor[16].T,heatcapacitor[17].T,heatcapacitor[18].T)
 * 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 (92):
 * Single equations (assignments): 92
 * Array equations: 0
 * 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 Backend phase and start with SimCode phase: time 0.0001035/0.01504, allocations: 120 kB / 414 MB, free: 14.14 MB / 394.7 MB
Notification: Performance of simCode: created initialization part: time 0.0003222/0.01536, allocations: 343.5 kB / 414.3 MB, free: 13.8 MB / 394.7 MB
Notification: Performance of simCode: created event and clocks part: time 4.478e-06/0.01536, allocations: 4 kB / 414.3 MB, free: 13.8 MB / 394.7 MB
Notification: Performance of simCode: created simulation system equations: time 0.000162/0.01552, allocations: 208.5 kB / 414.5 MB, free: 13.59 MB / 394.7 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0002517/0.01578, allocations: 94.81 kB / 414.6 MB, free: 13.5 MB / 394.7 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001701/0.01748, allocations: 1.608 MB / 416.2 MB, free: 11.86 MB / 394.7 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001255/0.0176, allocations: 207.2 kB / 416.4 MB, free: 11.64 MB / 394.7 MB
Notification: Performance of simCode: alias equations: time 0.0001396/0.01774, allocations: 64.8 kB / 416.5 MB, free: 11.57 MB / 394.7 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002095/0.01795, allocations: 155.3 kB / 416.6 MB, free: 11.42 MB / 394.7 MB
Notification: Performance of SimCode: time 5.71e-07/0.01795, allocations: 0 / 416.6 MB, free: 11.42 MB / 394.7 MB
Notification: Performance of Templates: time 0.008474/0.02643, allocations: 6.631 MB / 423.3 MB, free: 4.93 MB / 394.7 MB
"
[Timeout remaining time 300]
make -j1 -f ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20.makefile [Timeout 300]
(rm -f ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20.pipe ; mkfifo ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20.pipe ; head -c 1048576 < ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20.pipe >> ../files/ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20.sim & ./ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20 -abortSlowSimulation -alarm=240  -emit_protected -lv LOG_STATS > ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20.pipe 2>&1) [Timeout 240]
diffSimulationResults("ScalableTestSuite_ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Thermal.HeatConduction.ScaledExperiments.OneDHeatTransferTT_Modelica_N_20_res.mat","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300]
""
[Timeout remaining time 300]
Reference file matches
[Calling sys.exit(0), Time elapsed: 3.432469556108117]