Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D.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 0.001248/0.001248, allocations: 113.9 kB / 17.61 MB, free: 4.684 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 0.001314/0.001314, allocations: 185.9 kB / 20.78 MB, free: 1.52 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 1.596/1.596, allocations: 225.6 MB / 249.4 MB, free: 3.168 MB / 190.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002346/0.002346, allocations: 294.7 kB / 304.8 MB, free: 3.457 MB / 238.1 MB
"
[Timeout remaining time 180]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.086/1.086, allocations: 180.9 MB / 0.5281 GB, free: 1.922 MB / 382.1 MB
"
[Timeout remaining time 179]
Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo)
Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/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(BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D")
translateModel(BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 0.00283/0.00283, allocations: 95.84 kB / 0.7283 GB, free: 5.336 MB / 0.4981 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5215/0.5243, allocations: 94.17 MB / 0.8203 GB, free: 4.695 MB / 0.5606 GB
Notification: Performance of NFInst.instantiate(BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D): time 0.004437/0.5287, allocations: 2.938 MB / 0.8231 GB, free: 2.402 MB / 0.5606 GB
Notification: Performance of NFInst.instExpressions: time 0.001238/0.53, allocations: 0.7086 MB / 0.8238 GB, free: 1.82 MB / 0.5606 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0001544/0.5301, allocations: 11.91 kB / 0.8238 GB, free: 1.816 MB / 0.5606 GB
Notification: Performance of NFTyping.typeComponents: time 0.0002238/0.5304, allocations: 67.89 kB / 0.8239 GB, free: 1.762 MB / 0.5606 GB
Notification: Performance of NFTyping.typeBindings: time 0.0002303/0.5306, allocations: 127.7 kB / 0.824 GB, free: 1.648 MB / 0.5606 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0001732/0.5308, allocations: 53.97 kB / 0.8241 GB, free: 1.602 MB / 0.5606 GB
Notification: Performance of NFFlatten.flatten: time 0.0003839/0.5311, allocations: 368.2 kB / 0.8244 GB, free: 1.383 MB / 0.5606 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0002002/0.5313, allocations: 73.33 kB / 0.8245 GB, free: 1.332 MB / 0.5606 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0002419/0.5316, allocations: 145.7 kB / 0.8246 GB, free: 1.25 MB / 0.5606 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0002269/0.5318, allocations: 145.2 kB / 0.8248 GB, free: 1.156 MB / 0.5606 GB
Notification: Performance of NFPackage.collectConstants: time 4.795e-05/0.5319, allocations: 28 kB / 0.8248 GB, free: 1.152 MB / 0.5606 GB
Notification: Performance of NFFlatten.collectFunctions: time 5.396e-05/0.5319, allocations: 24.41 kB / 0.8248 GB, free: 1.152 MB / 0.5606 GB
Notification: Performance of NFScalarize.scalarize: time 5.975e-05/0.532, allocations: 49.84 kB / 0.8249 GB, free: 1.109 MB / 0.5606 GB
Notification: Performance of NFVerifyModel.verify: time 0.000186/0.5322, allocations: 165.5 kB / 0.825 GB, free: 1 MB / 0.5606 GB
Notification: Performance of NFConvertDAE.convert: time 0.0004071/0.5326, allocations: 311.7 kB / 0.8253 GB, free: 0.7891 MB / 0.5606 GB
Notification: Performance of FrontEnd - DAE generated: time 7.504e-06/0.5326, allocations: 5.094 kB / 0.8253 GB, free: 0.7852 MB / 0.5606 GB
Notification: Performance of FrontEnd: time 1.543e-06/0.5326, allocations: 0 / 0.8253 GB, free: 0.7852 MB / 0.5606 GB
Notification: Performance of Transformations before backend: time 1.374e-05/0.5326, allocations: 0 / 0.8253 GB, free: 0.7852 MB / 0.5606 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 63
 * Number of variables: 63
Notification: Performance of Generate backend data structure: time 0.0009567/0.5335, allocations: 0.5922 MB / 0.8259 GB, free: 256 kB / 0.5606 GB
Notification: Performance of prepare preOptimizeDAE: time 4.228e-05/0.5336, allocations: 9.25 kB / 0.8259 GB, free: 256 kB / 0.5606 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 8.801e-05/0.5337, allocations: 37.08 kB / 0.8259 GB, free: 236 kB / 0.5606 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003958/0.5341, allocations: 285.3 kB / 0.8262 GB, free: 15.94 MB / 0.5762 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.001e-05/0.5341, allocations: 18.81 kB / 0.8262 GB, free: 15.93 MB / 0.5762 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 5.686e-05/0.5342, allocations: 29.56 kB / 0.8263 GB, free: 15.92 MB / 0.5762 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004847/0.5346, allocations: 238.2 kB / 0.8265 GB, free: 15.78 MB / 0.5762 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.247e-05/0.5346, allocations: 0 / 0.8265 GB, free: 15.78 MB / 0.5762 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.769e-05/0.5347, allocations: 14.69 kB / 0.8265 GB, free: 15.77 MB / 0.5762 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.152e-05/0.5347, allocations: 6 kB / 0.8265 GB, free: 15.77 MB / 0.5762 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003822/0.5351, allocations: 193.4 kB / 0.8267 GB, free: 15.68 MB / 0.5762 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 0.001747/0.5368, allocations: 1.293 MB / 0.828 GB, free: 14.41 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0008373/0.5377, allocations: 252.9 kB / 0.8282 GB, free: 14.29 MB / 0.5762 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001273/0.5378, allocations: 64.05 kB / 0.8283 GB, free: 14.25 MB / 0.5762 GB
Notification: Performance of preOpt evalFunc (simulation): time 2.01e-05/0.5378, allocations: 1.406 kB / 0.8283 GB, free: 14.25 MB / 0.5762 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.247e-05/0.5378, allocations: 35.88 kB / 0.8283 GB, free: 14.21 MB / 0.5762 GB
Notification: Performance of pre-optimization done (n=16): time 3.076e-06/0.5378, allocations: 5.359 kB / 0.8283 GB, free: 14.21 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=16): time 0.001258/0.5391, allocations: 0.648 MB / 0.8289 GB, free: 13.62 MB / 0.5762 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.348e-05/0.5391, allocations: 53 kB / 0.829 GB, free: 13.56 MB / 0.5762 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003138/0.5395, allocations: 289 kB / 0.8293 GB, free: 13.36 MB / 0.5762 GB
Notification: Performance of collectPreVariables (initialization): time 2.378e-05/0.5395, allocations: 27.17 kB / 0.8293 GB, free: 13.33 MB / 0.5762 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0001669/0.5396, allocations: 221.4 kB / 0.8295 GB, free: 13.13 MB / 0.5762 GB
Notification: Performance of collectInitialBindings (initialization): time 6.234e-05/0.5397, allocations: 67.86 kB / 0.8296 GB, free: 13.07 MB / 0.5762 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001128/0.5398, allocations: 71.02 kB / 0.8296 GB, free: 13.02 MB / 0.5762 GB
Notification: Performance of setup shared object (initialization): time 0.00016/0.54, allocations: 337 kB / 0.83 GB, free: 12.69 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001689/0.5401, allocations: 81.61 kB / 0.83 GB, free: 12.64 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002442/0.5404, allocations: 187.5 kB / 0.8302 GB, free: 12.46 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001173/0.5416, allocations: 0.4894 MB / 0.8307 GB, free: 12.12 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.352e-06/0.5416, allocations: 5.5 kB / 0.8307 GB, free: 12.11 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=46) (initialization): time 0.0007264/0.5423, allocations: 414.6 kB / 0.8311 GB, free: 11.88 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 2.084e-05/0.5423, allocations: 14.28 kB / 0.8311 GB, free: 11.87 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.008e-05/0.5423, allocations: 7.828 kB / 0.8311 GB, free: 11.86 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0002961/0.5426, allocations: 84.83 kB / 0.8312 GB, free: 11.8 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002719/0.5429, allocations: 76.19 kB / 0.8313 GB, free: 11.79 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004276/0.5472, allocations: 5.527 MB / 0.8367 GB, free: 6.012 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002623/0.5474, allocations: 36.17 kB / 0.8367 GB, free: 5.988 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.664e-05/0.5475, allocations: 16.62 kB / 0.8367 GB, free: 5.984 MB / 0.5762 GB
Warning: Assuming fixed start value for the following 5 variables:
         body1.T:VARIABLE(min = 0.0 start = body1.T_start unit = \"K\" fixed = true nominal = 300.0 )  \"Temperature of the thermal node\" type: Real
         body2.T:VARIABLE(min = 0.0 start = body2.T_start unit = \"K\" fixed = true nominal = 300.0 )  \"Temperature of the thermal node\" type: Real
         body3.T:VARIABLE(min = 0.0 start = body3.T_start unit = \"K\" fixed = true nominal = 300.0 )  \"Temperature of the thermal node\" type: Real
         body4.T:VARIABLE(min = 0.0 start = body4.T_start unit = \"K\" fixed = true nominal = 300.0 )  \"Temperature of the thermal node\" type: Real
         body5.T:VARIABLE(min = 0.0 start = body5.T_start unit = \"K\" fixed = true nominal = 300.0 )  \"Temperature of the thermal node\" type: Real
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 16
 * 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 (42):
 * Single equations (assignments): 38
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 4
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 4 systems
   {(1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0003353/0.5478, allocations: 180.3 kB / 0.8369 GB, free: 5.82 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 5.495e-05/0.5479, allocations: 28.42 kB / 0.8369 GB, free: 5.805 MB / 0.5762 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 5.612e-05/0.5479, allocations: 36.7 kB / 0.8369 GB, free: 5.773 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.188e-06/0.5479, allocations: 6.578 kB / 0.8369 GB, free: 5.77 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.925e-06/0.5479, allocations: 5.344 kB / 0.837 GB, free: 5.766 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.286e-06/0.5479, allocations: 0 / 0.837 GB, free: 5.766 MB / 0.5762 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003768/0.5483, allocations: 305.6 kB / 0.8372 GB, free: 5.473 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.396e-06/0.5483, allocations: 5.281 kB / 0.8372 GB, free: 5.469 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002078/0.5485, allocations: 38.56 kB / 0.8373 GB, free: 5.457 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0002414/0.5488, allocations: 78.42 kB / 0.8374 GB, free: 5.398 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.915e-05/0.5488, allocations: 5.5 kB / 0.8374 GB, free: 5.395 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004078/0.5529, allocations: 5.496 MB / 0.8427 GB, free: 15.64 MB / 0.5919 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.162e-06/0.5529, allocations: 0 / 0.8427 GB, free: 15.64 MB / 0.5919 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006861/0.5535, allocations: 422.3 kB / 0.8431 GB, free: 15.34 MB / 0.5919 GB
Notification: Performance of postOpt removeConstants (simulation): time 9.045e-05/0.5536, allocations: 111.4 kB / 0.8432 GB, free: 15.22 MB / 0.5919 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.346e-05/0.5537, allocations: 5.219 kB / 0.8432 GB, free: 15.21 MB / 0.5919 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000142/0.5538, allocations: 6.25 kB / 0.8433 GB, free: 15.21 MB / 0.5919 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 5.924e-05/0.5539, allocations: 15.73 kB / 0.8433 GB, free: 15.2 MB / 0.5919 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.665e-05/0.5539, allocations: 11.3 kB / 0.8433 GB, free: 15.2 MB / 0.5919 GB
Notification: Performance of sorting global known variables: time 0.0002002/0.5541, allocations: 192.5 kB / 0.8435 GB, free: 15.06 MB / 0.5919 GB
Notification: Performance of sort global known variables: time 7e-08/0.5541, allocations: 0 / 0.8435 GB, free: 15.06 MB / 0.5919 GB
Notification: Performance of remove unused functions: time 0.0004729/0.5546, allocations: 90.02 kB / 0.8435 GB, free: 15.05 MB / 0.5919 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 5 (body1.T,body2.T,body3.T,body4.T,body5.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 (12):
 * Single equations (assignments): 8
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 4
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 4 systems
   {(1,1,100.0%), (1,1,100.0%), (1,1,100.0%), (1,1,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.0001299/0.5547, allocations: 103.9 kB / 0.8436 GB, free: 14.96 MB / 0.5919 GB
Notification: Performance of simCode: created initialization part: time 0.0008727/0.5556, allocations: 0.6422 MB / 0.8443 GB, free: 14.4 MB / 0.5919 GB
Notification: Performance of simCode: created event and clocks part: time 2.304e-06/0.5556, allocations: 4.125 kB / 0.8443 GB, free: 14.4 MB / 0.5919 GB
Notification: Performance of simCode: created simulation system equations: time 0.0005961/0.5562, allocations: 0.5296 MB / 0.8448 GB, free: 13.89 MB / 0.5919 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003943/0.5565, allocations: 51.23 kB / 0.8448 GB, free: 13.86 MB / 0.5919 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00126/0.5578, allocations: 0.7766 MB / 0.8456 GB, free: 13.27 MB / 0.5919 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003819/0.5582, allocations: 0.7649 MB / 0.8464 GB, free: 12.54 MB / 0.5919 GB
Notification: Performance of simCode: alias equations: time 0.0001189/0.5583, allocations: 34.06 kB / 0.8464 GB, free: 12.52 MB / 0.5919 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 5.261e-05/0.5584, allocations: 22.25 kB / 0.8464 GB, free: 12.52 MB / 0.5919 GB
Notification: Performance of SimCode: time 4.81e-07/0.5584, allocations: 0 / 0.8464 GB, free: 12.52 MB / 0.5919 GB
Notification: Performance of Templates: time 0.008965/0.5673, allocations: 4.138 MB / 0.8504 GB, free: 10.5 MB / 0.5919 GB
"
[Timeout remaining time 659]
make -j1 -f BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D.makefile [Timeout 660]
(rm -f BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D.pipe ; mkfifo BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D.pipe >> ../files/BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D.sim & ./BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D  -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.HAM.HeatConduction.Examples.HeatConduction1D.pipe 2>&1) [Timeout 480]
[Calling sys.exit(0), Time elapsed: 6.646163411438465]