Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger.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 0.001976/0.001976, allocations: 95.55 kB / 21.73 MB, free: 2.688 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 0.002119/0.002119, allocations: 163.9 kB / 25.03 MB, free: 8.941 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.504/1.504, allocations: 158.6 MB / 186.8 MB, free: 2.914 MB / 170.7 MB " [Timeout remaining time 178] Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="time|opAmp.out.v|opAmp.out.i",fileNamePrefix="Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger") translateModel(Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="time|opAmp.out.v|opAmp.out.i",fileNamePrefix="Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 2.184e-06/2.184e-06, allocations: 0 / 250.4 MB, free: 7.793 MB / 234.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 3.693e-05/3.911e-05, allocations: 2.312 kB / 250.4 MB, free: 7.789 MB / 234.7 MB Notification: Performance of NFInst.instantiate(Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger): time 0.005357/0.005396, allocations: 2.685 MB / 253.1 MB, free: 5.086 MB / 234.7 MB Notification: Performance of NFInst.instExpressions: time 0.001634/0.007031, allocations: 0.6942 MB / 253.8 MB, free: 4.383 MB / 234.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001602/0.007191, allocations: 4 kB / 253.8 MB, free: 4.379 MB / 234.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0001742/0.007365, allocations: 51.5 kB / 253.8 MB, free: 4.328 MB / 234.7 MB Notification: Performance of NFTyping.typeBindings: time 0.0002225/0.007587, allocations: 95.19 kB / 253.9 MB, free: 4.234 MB / 234.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.0003057/0.007893, allocations: 103.7 kB / 254 MB, free: 4.133 MB / 234.7 MB Notification: Performance of NFFlatten.flatten: time 0.0004961/0.008389, allocations: 370.2 kB / 254.4 MB, free: 3.77 MB / 234.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001968/0.008586, allocations: 64.89 kB / 254.5 MB, free: 3.703 MB / 234.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003151/0.008901, allocations: 195.5 kB / 254.6 MB, free: 3.512 MB / 234.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002188/0.00912, allocations: 115.7 kB / 254.8 MB, free: 3.398 MB / 234.7 MB Notification: Performance of NFPackage.collectConstants: time 6.824e-05/0.009188, allocations: 28 kB / 254.8 MB, free: 3.371 MB / 234.7 MB Notification: Performance of NFFlatten.collectFunctions: time 6.8e-05/0.009256, allocations: 28 kB / 254.8 MB, free: 3.344 MB / 234.7 MB Notification: Performance of NFScalarize.scalarize: time 9.338e-05/0.00935, allocations: 67.69 kB / 254.9 MB, free: 3.277 MB / 234.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0001632/0.009513, allocations: 103.8 kB / 255 MB, free: 3.176 MB / 234.7 MB Notification: Performance of NFConvertDAE.convert: time 0.0004992/0.01001, allocations: 346.8 kB / 255.3 MB, free: 2.836 MB / 234.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.418e-06/0.01002, allocations: 0 / 255.3 MB, free: 2.836 MB / 234.7 MB Notification: Performance of FrontEnd: time 7.91e-07/0.01002, allocations: 0 / 255.3 MB, free: 2.836 MB / 234.7 MB Notification: Performance of Transformations before backend: time 7.754e-06/0.01002, allocations: 0 / 255.3 MB, free: 2.836 MB / 234.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 49 * Number of variables: 49 Notification: Performance of Generate backend data structure: time 0.00134/0.01137, allocations: 0.666 MB / 256 MB, free: 2.129 MB / 234.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.052e-05/0.01141, allocations: 11.98 kB / 256 MB, free: 2.117 MB / 234.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001152/0.01152, allocations: 44.75 kB / 256 MB, free: 2.074 MB / 234.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004023/0.01192, allocations: 236 kB / 256.3 MB, free: 1.816 MB / 234.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.235e-05/0.01195, allocations: 12.88 kB / 256.3 MB, free: 1.805 MB / 234.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.257e-05/0.01199, allocations: 24.38 kB / 256.3 MB, free: 1.781 MB / 234.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005868/0.01257, allocations: 276 kB / 256.6 MB, free: 1.488 MB / 234.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.352e-05/0.01259, allocations: 192 / 256.6 MB, free: 1.488 MB / 234.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 3.183e-05/0.01262, allocations: 12.38 kB / 256.6 MB, free: 1.477 MB / 234.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.044e-05/0.01263, allocations: 7.938 kB / 256.6 MB, free: 1.469 MB / 234.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005812/0.01321, allocations: 201.9 kB / 256.8 MB, free: 1.27 MB / 234.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001617/0.01483, allocations: 0.8285 MB / 257.6 MB, free: 396 kB / 234.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006657/0.01549, allocations: 195.1 kB / 257.8 MB, free: 188 kB / 234.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002523/0.01575, allocations: 79.64 kB / 257.9 MB, free: 104 kB / 234.7 MB Notification: Performance of preOpt evalFunc (simulation): time 3.321e-05/0.01578, allocations: 4 kB / 257.9 MB, free: 100 kB / 234.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004943/0.01627, allocations: 223.4 kB / 258.1 MB, free: 15.84 MB / 250.7 MB Notification: Performance of pre-optimization done (n=13): time 1.022e-06/0.01628, allocations: 0 / 258.1 MB, free: 15.84 MB / 250.7 MB Notification: Performance of matching and sorting (n=13): time 0.001827/0.0181, allocations: 456.8 kB / 258.6 MB, free: 15.38 MB / 250.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.455e-05/0.0182, allocations: 114.8 kB / 258.7 MB, free: 15.25 MB / 250.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003913/0.01859, allocations: 344.3 kB / 259 MB, free: 14.89 MB / 250.7 MB Notification: Performance of collectPreVariables (initialization): time 3.167e-05/0.01862, allocations: 29.7 kB / 259 MB, free: 14.86 MB / 250.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002075/0.01883, allocations: 246.9 kB / 259.3 MB, free: 14.61 MB / 250.7 MB Notification: Performance of collectInitialBindings (initialization): time 5.068e-05/0.01888, allocations: 39.62 kB / 259.3 MB, free: 14.57 MB / 250.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001217/0.019, allocations: 59.33 kB / 259.4 MB, free: 14.51 MB / 250.7 MB Notification: Performance of setup shared object (initialization): time 0.0003136/0.01931, allocations: 0.5118 MB / 259.9 MB, free: 13.98 MB / 250.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002945/0.01961, allocations: 113.3 kB / 260 MB, free: 13.86 MB / 250.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004286/0.02004, allocations: 277.5 kB / 260.3 MB, free: 13.53 MB / 250.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005696/0.02061, allocations: 273.9 kB / 260.5 MB, free: 13.22 MB / 250.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.525e-06/0.02061, allocations: 0 / 260.5 MB, free: 13.22 MB / 250.7 MB Notification: Performance of matching and sorting (n=25) (initialization): time 0.001032/0.02164, allocations: 424.4 kB / 261 MB, free: 12.78 MB / 250.7 MB Notification: Performance of prepare postOptimizeDAE: time 4.849e-05/0.02169, allocations: 33.7 kB / 261 MB, free: 12.74 MB / 250.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.037e-06/0.0217, allocations: 4 kB / 261 MB, free: 12.74 MB / 250.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.000568/0.02227, allocations: 111.6 kB / 261.1 MB, free: 12.62 MB / 250.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001664/0.02243, allocations: 40.12 kB / 261.1 MB, free: 12.59 MB / 250.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003053/0.02548, allocations: 2.352 MB / 263.5 MB, free: 10.11 MB / 250.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000266/0.02575, allocations: 43.77 kB / 263.5 MB, free: 10.07 MB / 250.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.044e-05/0.02578, allocations: 15.94 kB / 263.5 MB, free: 10.05 MB / 250.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0003698/0.02615, allocations: 244.6 kB / 263.8 MB, free: 9.801 MB / 250.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003641/0.02652, allocations: 257.6 kB / 264 MB, free: 9.484 MB / 250.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0004694/0.02698, allocations: 254.7 kB / 264.3 MB, free: 9.191 MB / 250.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.693e-06/0.02699, allocations: 0 / 264.3 MB, free: 9.191 MB / 250.7 MB Notification: Performance of matching and sorting (n=25) (initialization_lambda0): time 0.0006895/0.02768, allocations: 343.4 kB / 264.6 MB, free: 8.84 MB / 250.7 MB Notification: Performance of prepare postOptimizeDAE: time 4.479e-05/0.02772, allocations: 37.69 kB / 264.7 MB, free: 8.797 MB / 250.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.04e-06/0.02773, allocations: 4 kB / 264.7 MB, free: 8.793 MB / 250.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001878/0.02791, allocations: 43.91 kB / 264.7 MB, free: 8.746 MB / 250.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001671/0.02808, allocations: 39.92 kB / 264.7 MB, free: 8.707 MB / 250.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001569/0.02965, allocations: 1.815 MB / 266.6 MB, free: 6.773 MB / 250.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002679/0.02992, allocations: 39.91 kB / 266.6 MB, free: 6.734 MB / 250.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.067e-05/0.02994, allocations: 8 kB / 266.6 MB, free: 6.727 MB / 250.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 9 * Number of states: 0 () * Number of discrete variables: 5 (vIn.signalSource.count,$PRE.vIn.signalSource.count,vIn.signalSource.T_start,$PRE.vIn.signalSource.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 18 * Array equations: 0 * Algorithm blocks: 1 * 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 {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0002271/0.03017, allocations: 291.9 kB / 266.9 MB, free: 6.434 MB / 250.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 4.671e-05/0.03021, allocations: 23.86 kB / 266.9 MB, free: 6.41 MB / 250.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.349e-05/0.03027, allocations: 25.77 kB / 266.9 MB, free: 6.383 MB / 250.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.871e-06/0.03027, allocations: 4 kB / 266.9 MB, free: 6.379 MB / 250.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.364e-06/0.03027, allocations: 0 / 266.9 MB, free: 6.379 MB / 250.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.587e-06/0.03028, allocations: 0 / 266.9 MB, free: 6.379 MB / 250.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003012/0.03058, allocations: 240.5 kB / 267.2 MB, free: 6.109 MB / 250.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.147e-06/0.03058, allocations: 3.938 kB / 267.2 MB, free: 6.105 MB / 250.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001076/0.03069, allocations: 12 kB / 267.2 MB, free: 6.094 MB / 250.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004333/0.03112, allocations: 103.6 kB / 267.3 MB, free: 5.988 MB / 250.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.257e-05/0.03115, allocations: 7.984 kB / 267.3 MB, free: 5.98 MB / 250.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002692/0.03384, allocations: 2.313 MB / 269.6 MB, free: 3.543 MB / 250.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.343e-06/0.03384, allocations: 0 / 269.6 MB, free: 3.543 MB / 250.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0008372/0.03468, allocations: 307.5 kB / 269.9 MB, free: 3.219 MB / 250.7 MB Notification: Performance of postOpt removeConstants (simulation): time 5.15e-05/0.03473, allocations: 31.86 kB / 269.9 MB, free: 3.188 MB / 250.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.737e-05/0.03477, allocations: 7.984 kB / 270 MB, free: 3.18 MB / 250.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001926/0.03496, allocations: 19.98 kB / 270 MB, free: 3.16 MB / 250.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.41e-05/0.03505, allocations: 19.97 kB / 270 MB, free: 3.141 MB / 250.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.664e-05/0.03507, allocations: 7.984 kB / 270 MB, free: 3.133 MB / 250.7 MB Notification: Performance of sorting global known variables: time 0.0002483/0.03532, allocations: 237.1 kB / 270.2 MB, free: 2.902 MB / 250.7 MB Notification: Performance of sort global known variables: time 6e-08/0.03532, allocations: 0 / 270.2 MB, free: 2.902 MB / 250.7 MB Notification: Performance of remove unused functions: time 0.000574/0.03589, allocations: 123.8 kB / 270.4 MB, free: 2.781 MB / 250.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,vIn.signalSource.T_start,vIn.signalSource.count) * Number of discrete states: 1 (vIn.signalSource.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (9): * Single equations (assignments): 6 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * 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 {(1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.000166/0.03606, allocations: 111.2 kB / 270.5 MB, free: 2.66 MB / 250.7 MB Notification: Performance of simCode: created initialization part: time 0.001695/0.03775, allocations: 0.8633 MB / 271.3 MB, free: 1.719 MB / 250.7 MB Notification: Performance of simCode: created event and clocks part: time 2.374e-06/0.03775, allocations: 0 / 271.3 MB, free: 1.719 MB / 250.7 MB Notification: Performance of simCode: created simulation system equations: time 0.000503/0.03826, allocations: 281.4 kB / 271.6 MB, free: 1.422 MB / 250.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004031/0.03866, allocations: 49.25 kB / 271.6 MB, free: 1.375 MB / 250.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002315/0.04098, allocations: 0.6864 MB / 272.3 MB, free: 0.6602 MB / 250.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001465/0.04112, allocations: 138.5 kB / 272.5 MB, free: 0.5117 MB / 250.7 MB Notification: Performance of simCode: alias equations: time 0.0001163/0.04124, allocations: 25.94 kB / 272.5 MB, free: 496 kB / 250.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 7.834e-05/0.04132, allocations: 32.48 kB / 272.5 MB, free: 460 kB / 250.7 MB Notification: Performance of SimCode: time 7.82e-07/0.04132, allocations: 0 / 272.5 MB, free: 460 kB / 250.7 MB Notification: Performance of Templates: time 0.01008/0.05139, allocations: 4.246 MB / 276.8 MB, free: 12.21 MB / 266.7 MB " [Timeout remaining time 660] make -j1 -f Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger.makefile [Timeout 660] (rm -f Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger.pipe ; mkfifo Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger.pipe ; head -c 1048576 < Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger.pipe >> ../files/Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger.sim & ./Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v3.2.3+build.4/Modelica/Electrical/Analog/Examples/OpAmps/InvertingSchmittTrigger/InvertingSchmittTrigger.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Modelica_3.2.3_Modelica.Electrical.Analog.Examples.OpAmps.InvertingSchmittTrigger.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: 4.7507674370426685]