Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.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 0.001326/0.001326, allocations: 110 kB / 21.23 MB, free: 0.6602 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 0.001421/0.001421, allocations: 186.4 kB / 24.51 MB, free: 4.035 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 1.514/1.514, allocations: 225.6 MB / 253.3 MB, free: 13.01 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/package.mo): time 0.2371/0.2371, allocations: 44.9 MB / 353.5 MB, free: 11.79 MB / 286.1 MB
"
[Timeout remaining time 180]
Using package ModelicaTest with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaTest 4.0.0+maint.om/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: translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|volume.medium.T|volume.medium.p",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT")
translateModel(ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5002,variableFilter="time|volume.medium.T|volume.medium.p",fileNamePrefix="ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 0.002097/0.002097, allocations: 67.88 kB / 497.7 MB, free: 0.9609 MB / 350.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3411/0.3432, allocations: 64.3 MB / 0.5488 GB, free: 13.11 MB / 398.1 MB
Notification: Performance of NFInst.instantiate(ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT): time 0.05608/0.3993, allocations: 44.43 MB / 0.5922 GB, free: 2.836 MB / 430.1 MB
Notification: Performance of NFInst.instExpressions: time 0.007489/0.4068, allocations: 4.432 MB / 0.5966 GB, free: 14.39 MB / 446.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0008161/0.4076, allocations: 27.75 kB / 0.5966 GB, free: 14.36 MB / 446.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.001068/0.4087, allocations: 314 kB / 0.5969 GB, free: 14.05 MB / 446.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.002517/0.4112, allocations: 0.8823 MB / 0.5977 GB, free: 13.17 MB / 446.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.002667/0.4139, allocations: 0.9384 MB / 0.5987 GB, free: 12.23 MB / 446.1 MB
Notification: Performance of NFFlatten.flatten: time 0.002665/0.4165, allocations: 1.817 MB / 0.6004 GB, free: 10.41 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0007489/0.4173, allocations: 397.6 kB / 0.6008 GB, free: 10.02 MB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.1298/0.5471, allocations: 44.21 MB / 0.644 GB, free: 13.38 MB / 494.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.02915/0.5763, allocations: 7.935 MB / 0.6517 GB, free: 5.363 MB / 494.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.0003093/0.5766, allocations: 56 kB / 0.6518 GB, free: 5.309 MB / 494.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.02963/0.6062, allocations: 10.6 MB / 0.6621 GB, free: 10.6 MB / 0.4981 GB
Notification: Performance of NFScalarize.scalarize: time 0.0006303/0.6068, allocations: 271.1 kB / 0.6624 GB, free: 10.33 MB / 0.4981 GB
Notification: Performance of NFVerifyModel.verify: time 0.000637/0.6075, allocations: 398.2 kB / 0.6628 GB, free: 9.941 MB / 0.4981 GB
Notification: Performance of NFConvertDAE.convert: time 0.001833/0.6093, allocations: 1.086 MB / 0.6638 GB, free: 8.852 MB / 0.4981 GB
Notification: Performance of FrontEnd - DAE generated: time 4.688e-06/0.6093, allocations: 0 / 0.6638 GB, free: 8.852 MB / 0.4981 GB
Notification: Performance of FrontEnd: time 1.654e-06/0.6093, allocations: 0 / 0.6638 GB, free: 8.852 MB / 0.4981 GB
Notification: Performance of Transformations before backend: time 1.958e-05/0.6093, allocations: 3.938 kB / 0.6638 GB, free: 8.848 MB / 0.4981 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 130
 * Number of variables: 130
Notification: Performance of Generate backend data structure: time 0.002449/0.6118, allocations: 0.9951 MB / 0.6648 GB, free: 7.816 MB / 0.4981 GB
Notification: Performance of prepare preOptimizeDAE: time 3.969e-05/0.6118, allocations: 12.92 kB / 0.6648 GB, free: 7.805 MB / 0.4981 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000375/0.6122, allocations: 96.45 kB / 0.6649 GB, free: 7.711 MB / 0.4981 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009688/0.6132, allocations: 466.7 kB / 0.6654 GB, free: 7.23 MB / 0.4981 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001389/0.6133, allocations: 108.9 kB / 0.6655 GB, free: 7.109 MB / 0.4981 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001109/0.6134, allocations: 56.08 kB / 0.6655 GB, free: 7.055 MB / 0.4981 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.00136/0.6148, allocations: 0.8213 MB / 0.6663 GB, free: 6.164 MB / 0.4981 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.294e-05/0.6148, allocations: 4 kB / 0.6663 GB, free: 6.16 MB / 0.4981 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.15e-05/0.6149, allocations: 24 kB / 0.6663 GB, free: 6.137 MB / 0.4981 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.972e-05/0.6149, allocations: 36.98 kB / 0.6664 GB, free: 6.102 MB / 0.4981 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00112/0.616, allocations: 0.6478 MB / 0.667 GB, free: 5.453 MB / 0.4981 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 0.005572/0.6216, allocations: 4.185 MB / 0.6711 GB, free: 0.9922 MB / 0.4981 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0009481/0.6226, allocations: 395.4 kB / 0.6715 GB, free: 0.6016 MB / 0.4981 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.000365/0.6229, allocations: 193.4 kB / 0.6717 GB, free: 420 kB / 0.4981 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003276/0.6233, allocations: 52.27 kB / 0.6717 GB, free: 368 kB / 0.4981 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.202e-05/0.6233, allocations: 42.83 kB / 0.6718 GB, free: 316 kB / 0.4981 GB
Notification: Performance of pre-optimization done (n=40): time 3.556e-06/0.6233, allocations: 3.938 kB / 0.6718 GB, free: 312 kB / 0.4981 GB
Notification: Performance of matching and sorting (n=45): time 0.003844/0.6272, allocations: 1.467 MB / 0.6732 GB, free: 14.79 MB / 0.5137 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001/0.6273, allocations: 140.5 kB / 0.6733 GB, free: 14.62 MB / 0.5137 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008082/0.6281, allocations: 0.577 MB / 0.6739 GB, free: 14.04 MB / 0.5137 GB
Notification: Performance of collectPreVariables (initialization): time 5.687e-05/0.6281, allocations: 37.7 kB / 0.6739 GB, free: 14 MB / 0.5137 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003334/0.6285, allocations: 359.9 kB / 0.6743 GB, free: 13.64 MB / 0.5137 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001562/0.6286, allocations: 166.5 kB / 0.6744 GB, free: 13.47 MB / 0.5137 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002238/0.6288, allocations: 138.6 kB / 0.6746 GB, free: 13.33 MB / 0.5137 GB
Notification: Performance of setup shared object (initialization): time 0.0001939/0.629, allocations: 378.7 kB / 0.6749 GB, free: 12.95 MB / 0.5137 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004067/0.6294, allocations: 225.9 kB / 0.6751 GB, free: 12.73 MB / 0.5137 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.000677/0.6301, allocations: 0.5165 MB / 0.6756 GB, free: 12.07 MB / 0.5137 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001113/0.6312, allocations: 0.7833 MB / 0.6764 GB, free: 11.16 MB / 0.5137 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.402e-06/0.6312, allocations: 4 kB / 0.6764 GB, free: 11.16 MB / 0.5137 GB
Notification: Performance of matching and sorting (n=88) (initialization): time 0.00196/0.6332, allocations: 0.9331 MB / 0.6773 GB, free: 10.21 MB / 0.5137 GB
Notification: Performance of prepare postOptimizeDAE: time 2.615e-05/0.6332, allocations: 12.94 kB / 0.6773 GB, free: 10.2 MB / 0.5137 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.507e-05/0.6332, allocations: 8 kB / 0.6773 GB, free: 10.2 MB / 0.5137 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001199/0.6344, allocations: 275.3 kB / 0.6776 GB, free: 9.926 MB / 0.5137 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004408/0.6349, allocations: 123.8 kB / 0.6777 GB, free: 9.805 MB / 0.5137 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001061/0.6359, allocations: 0.862 MB / 0.6786 GB, free: 8.918 MB / 0.5137 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005381/0.6365, allocations: 31.98 kB / 0.6786 GB, free: 8.887 MB / 0.5137 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.292e-05/0.6365, allocations: 36.06 kB / 0.6786 GB, free: 8.852 MB / 0.5137 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 42
 * Number of states: 0 ()
 * Number of discrete variables: 4 (volume.regularFlow[1],volume.regularFlow[2],volume.inFlow[2],volume.inFlow[1])
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (73):
 * Single equations (assignments): 72
 * 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
   {(2,14)}
Notification: Performance of prepare postOptimizeDAE: time 0.000375/0.6369, allocations: 237.5 kB / 0.6789 GB, free: 8.609 MB / 0.5137 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001386/0.6371, allocations: 79.56 kB / 0.6789 GB, free: 8.531 MB / 0.5137 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001415/0.6385, allocations: 0.712 MB / 0.6796 GB, free: 7.824 MB / 0.5137 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.07e-05/0.6385, allocations: 7.938 kB / 0.6796 GB, free: 7.816 MB / 0.5137 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.733e-06/0.6385, allocations: 3.938 kB / 0.6796 GB, free: 7.812 MB / 0.5137 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.16e-05/0.6385, allocations: 3.984 kB / 0.6796 GB, free: 7.809 MB / 0.5137 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002386/0.6409, allocations: 1.375 MB / 0.681 GB, free: 6.359 MB / 0.5137 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.024e-06/0.6409, allocations: 4 kB / 0.681 GB, free: 6.355 MB / 0.5137 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001055/0.6419, allocations: 187.8 kB / 0.6812 GB, free: 6.172 MB / 0.5137 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0002761/0.6422, allocations: 68.89 kB / 0.6812 GB, free: 6.102 MB / 0.5137 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.958e-05/0.6423, allocations: 12 kB / 0.6812 GB, free: 6.09 MB / 0.5137 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0027/0.645, allocations: 2.775 MB / 0.684 GB, free: 3.086 MB / 0.5137 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.497e-06/0.645, allocations: 11.97 kB / 0.684 GB, free: 3.074 MB / 0.5137 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001858/0.6468, allocations: 1.009 MB / 0.685 GB, free: 2.023 MB / 0.5137 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0003893/0.6472, allocations: 135.5 kB / 0.6851 GB, free: 1.891 MB / 0.5137 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.881e-05/0.6473, allocations: 12 kB / 0.6851 GB, free: 1.879 MB / 0.5137 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004072/0.6477, allocations: 16 kB / 0.6851 GB, free: 1.863 MB / 0.5137 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000109/0.6478, allocations: 43.86 kB / 0.6851 GB, free: 1.82 MB / 0.5137 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.684e-05/0.6479, allocations: 16 kB / 0.6852 GB, free: 1.805 MB / 0.5137 GB
Notification: Performance of sorting global known variables: time 0.0005984/0.6485, allocations: 423 kB / 0.6856 GB, free: 1.391 MB / 0.5137 GB
Notification: Performance of sort global known variables: time 8.1e-08/0.6485, allocations: 0 / 0.6856 GB, free: 1.391 MB / 0.5137 GB
Notification: Performance of remove unused functions: time 0.0008655/0.6493, allocations: 215.9 kB / 0.6858 GB, free: 1.18 MB / 0.5137 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 8
 * Number of states: 2 (volume.medium.p,volume.medium.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 (47):
 * Single equations (assignments): 43
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 2
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 1
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 1 system
   {1}
 * Without analytic Jacobian (size): 0 systems
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 0.0005713/0.6499, allocations: 229.4 kB / 0.686 GB, free: 0.957 MB / 0.5137 GB
Notification: Performance of simCode: created initialization part: time 0.001306/0.6512, allocations: 0.5776 MB / 0.6866 GB, free: 392 kB / 0.5137 GB
Notification: Performance of simCode: created event and clocks part: time 5.851e-06/0.6512, allocations: 4 kB / 0.6866 GB, free: 388 kB / 0.5137 GB
Notification: Performance of simCode: created simulation system equations: time 0.001305/0.6525, allocations: 479.5 kB / 0.687 GB, free: 15.9 MB / 0.5294 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001764/0.6543, allocations: 364.5 kB / 0.6874 GB, free: 15.55 MB / 0.5294 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002498/0.6568, allocations: 1.432 MB / 0.6888 GB, free: 14.07 MB / 0.5294 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006051/0.6574, allocations: 0.9384 MB / 0.6897 GB, free: 13.1 MB / 0.5294 GB
Notification: Performance of simCode: alias equations: time 0.0006508/0.658, allocations: 214.4 kB / 0.6899 GB, free: 12.91 MB / 0.5294 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001655/0.6582, allocations: 59.38 kB / 0.6899 GB, free: 12.85 MB / 0.5294 GB
Notification: Performance of SimCode: time 4.4e-07/0.6582, allocations: 4 kB / 0.6899 GB, free: 12.84 MB / 0.5294 GB
Notification: Performance of Templates: time 0.02873/0.6869, allocations: 15.87 MB / 0.7054 GB, free: 13.15 MB / 0.545 GB
"
[Timeout remaining time 659]
make -j1 -f ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.makefile [Timeout 660]
(rm -f ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.pipe ; mkfifo ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.pipe ; head -c 1048576 < ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.pipe >> ../files/ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.sim & ./ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT  -abortSlowSimulation -alarm=480  -emit_protected -lv LOG_STATS > ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.pipe 2>&1) [Timeout 480]
diffSimulationResults("ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.0.0/ModelicaTest/Media/TestsWithFluid/MediaTestModels/LinearFluid/LinearWater_pT/LinearWater_pT.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ModelicaTest_4.0.0_ModelicaTest.Media.TestsWithFluid.MediaTestModels.LinearFluid.LinearWater_pT.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660]
""
[Timeout remaining time 660]
Reference file matches
[Calling sys.exit(0), Time elapsed: 6.003819201141596]