Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe.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 0.001412/0.001412, allocations: 85.17 kB / 19.87 MB, free: 4.617 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 0.0016/0.0016, allocations: 169 kB / 23.27 MB, free: 1.223 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 1.01/1.01, allocations: 177.1 MB / 203.7 MB, free: 5.508 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo", uses=false) [Timeout 180]
"[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:108:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:116:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo): time 0.7514/0.7514, allocations: 154.6 MB / 414.8 MB, free: 0.5234 MB / 378.7 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function.
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function.
"
[Timeout remaining time 179]
Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/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(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe")
translateModel(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.983e-06/1.983e-06, allocations: 0 / 0.5208 GB, free: 1.762 MB / 490.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.361e-05/2.559e-05, allocations: 6.109 kB / 0.5209 GB, free: 1.758 MB / 490.7 MB
Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe): time 0.002503/0.002529, allocations: 1.397 MB / 0.5222 GB, free: 376 kB / 490.7 MB
Notification: Performance of NFInst.instExpressions: time 0.001724/0.004252, allocations: 1.081 MB / 0.5233 GB, free: 15.29 MB / 0.4948 GB
Notification: Performance of NFInst.updateImplicitVariability: time 4.386e-05/0.004296, allocations: 0 / 0.5233 GB, free: 15.29 MB / 0.4948 GB
Notification: Performance of NFTyping.typeComponents: time 2.807e-05/0.004324, allocations: 8.891 kB / 0.5233 GB, free: 15.28 MB / 0.4948 GB
Notification: Performance of NFTyping.typeBindings: time 5.958e-05/0.004384, allocations: 3.938 kB / 0.5233 GB, free: 15.27 MB / 0.4948 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0007081/0.005092, allocations: 226 kB / 0.5235 GB, free: 15.05 MB / 0.4948 GB
Notification: Performance of NFFlatten.flatten: time 6.714e-05/0.005159, allocations: 35.78 kB / 0.5235 GB, free: 15.02 MB / 0.4948 GB
Notification: Performance of NFFlatten.resolveConnections: time 4.231e-05/0.005201, allocations: 4.562 kB / 0.5235 GB, free: 15.02 MB / 0.4948 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.000129/0.00533, allocations: 15.98 kB / 0.5236 GB, free: 15 MB / 0.4948 GB
Notification: Performance of NFSimplifyModel.simplify: time 6.846e-05/0.005399, allocations: 20.73 kB / 0.5236 GB, free: 14.98 MB / 0.4948 GB
Notification: Performance of NFPackage.collectConstants: time 1.163e-05/0.00541, allocations: 0 / 0.5236 GB, free: 14.98 MB / 0.4948 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0005843/0.005995, allocations: 404.1 kB / 0.524 GB, free: 14.59 MB / 0.4948 GB
Notification: Performance of NFScalarize.scalarize: time 1.495e-05/0.00601, allocations: 4.484 kB / 0.524 GB, free: 14.58 MB / 0.4948 GB
Notification: Performance of NFVerifyModel.verify: time 2.103e-05/0.006031, allocations: 4.844 kB / 0.524 GB, free: 14.58 MB / 0.4948 GB
Notification: Performance of NFConvertDAE.convert: time 0.0003457/0.006376, allocations: 251.3 kB / 0.5242 GB, free: 14.33 MB / 0.4948 GB
Notification: Performance of FrontEnd - DAE generated: time 2.564e-06/0.006379, allocations: 3 kB / 0.5242 GB, free: 14.33 MB / 0.4948 GB
Notification: Performance of FrontEnd: time 7.81e-07/0.00638, allocations: 4 kB / 0.5242 GB, free: 14.33 MB / 0.4948 GB
Notification: Performance of Transformations before backend: time 3.787e-06/0.006383, allocations: 0 / 0.5242 GB, free: 14.33 MB / 0.4948 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 4
 * Number of variables: 4
Notification: Performance of Generate backend data structure: time 0.000407/0.00679, allocations: 419.9 kB / 0.5246 GB, free: 13.88 MB / 0.4948 GB
Notification: Performance of prepare preOptimizeDAE: time 4.692e-05/0.006837, allocations: 8.031 kB / 0.5246 GB, free: 13.88 MB / 0.4948 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 3.15e-05/0.006869, allocations: 12.83 kB / 0.5246 GB, free: 13.86 MB / 0.4948 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 9.103e-05/0.00696, allocations: 112.6 kB / 0.5247 GB, free: 13.73 MB / 0.4948 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.139e-05/0.006971, allocations: 384 / 0.5247 GB, free: 13.73 MB / 0.4948 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.455e-06/0.00698, allocations: 5.312 kB / 0.5248 GB, free: 13.72 MB / 0.4948 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 8.293e-05/0.007063, allocations: 38.23 kB / 0.5248 GB, free: 13.68 MB / 0.4948 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.634e-06/0.00707, allocations: 4.188 kB / 0.5248 GB, free: 13.68 MB / 0.4948 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.793e-06/0.007077, allocations: 0.9375 kB / 0.5248 GB, free: 13.68 MB / 0.4948 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.504e-06/0.007085, allocations: 4.5 kB / 0.5248 GB, free: 13.67 MB / 0.4948 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 2.172e-05/0.007106, allocations: 4 kB / 0.5248 GB, free: 13.67 MB / 0.4948 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.000131/0.007237, allocations: 106.2 kB / 0.5249 GB, free: 13.54 MB / 0.4948 GB
Notification: Performance of preOpt comSubExp (simulation): time 6.789e-05/0.007305, allocations: 43.03 kB / 0.5249 GB, free: 13.48 MB / 0.4948 GB
Notification: Performance of preOpt resolveLoops (simulation): time 2.217e-05/0.007327, allocations: 17.25 kB / 0.525 GB, free: 13.46 MB / 0.4948 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0005551/0.007882, allocations: 103 kB / 0.5251 GB, free: 13.37 MB / 0.4948 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.389e-05/0.007916, allocations: 33.39 kB / 0.5251 GB, free: 13.32 MB / 0.4948 GB
Notification: Performance of pre-optimization done (n=4): time 2.284e-06/0.007919, allocations: 4 kB / 0.5251 GB, free: 13.32 MB / 0.4948 GB
Notification: Performance of matching and sorting (n=4): time 0.0001801/0.008099, allocations: 50.45 kB / 0.5251 GB, free: 13.27 MB / 0.4948 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.433e-05/0.008133, allocations: 55.41 kB / 0.5252 GB, free: 13.2 MB / 0.4948 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001082/0.008241, allocations: 170.6 kB / 0.5254 GB, free: 13.02 MB / 0.4948 GB
Notification: Performance of collectPreVariables (initialization): time 1.519e-05/0.008256, allocations: 25.7 kB / 0.5254 GB, free: 12.98 MB / 0.4948 GB
Notification: Performance of collectInitialEqns (initialization): time 5.515e-05/0.008312, allocations: 131.8 kB / 0.5255 GB, free: 12.85 MB / 0.4948 GB
Notification: Performance of collectInitialBindings (initialization): time 3.768e-05/0.008349, allocations: 19.77 kB / 0.5255 GB, free: 12.83 MB / 0.4948 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 4.247e-05/0.008392, allocations: 24.69 kB / 0.5255 GB, free: 12.8 MB / 0.4948 GB
Notification: Performance of setup shared object (initialization): time 0.0001234/0.008515, allocations: 0.4884 MB / 0.526 GB, free: 12.3 MB / 0.4948 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 7.524e-06/0.008523, allocations: 0 / 0.526 GB, free: 12.3 MB / 0.4948 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 9.067e-06/0.008532, allocations: 4 kB / 0.526 GB, free: 12.3 MB / 0.4948 GB
Notification: Performance of analyzeInitialSystem (initialization): time 2.806e-05/0.00856, allocations: 26.41 kB / 0.5261 GB, free: 12.27 MB / 0.4948 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.603e-06/0.008561, allocations: 0 / 0.5261 GB, free: 12.27 MB / 0.4948 GB
Notification: Performance of matching and sorting (n=4) (initialization): time 5.034e-05/0.008612, allocations: 41.7 kB / 0.5261 GB, free: 12.22 MB / 0.4948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.234e-05/0.008624, allocations: 8 kB / 0.5261 GB, free: 12.21 MB / 0.4948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.631e-06/0.00863, allocations: 0 / 0.5261 GB, free: 12.21 MB / 0.4948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.013e-05/0.00864, allocations: 0 / 0.5261 GB, free: 12.21 MB / 0.4948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 6.309e-05/0.008703, allocations: 19.92 kB / 0.5261 GB, free: 12.2 MB / 0.4948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.696e-06/0.008707, allocations: 2.656 kB / 0.5261 GB, free: 12.2 MB / 0.4948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 1.525e-05/0.008722, allocations: 3.938 kB / 0.5261 GB, free: 12.19 MB / 0.4948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.178e-06/0.008726, allocations: 0 / 0.5261 GB, free: 12.19 MB / 0.4948 GB
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 (4):
 * Single equations (assignments): 4
 * 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 5.763e-05/0.008784, allocations: 160.5 kB / 0.5263 GB, free: 12.02 MB / 0.4948 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 7.915e-06/0.008792, allocations: 11.95 kB / 0.5263 GB, free: 12.01 MB / 0.4948 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 7.29e-05/0.008864, allocations: 57.98 kB / 0.5263 GB, free: 11.95 MB / 0.4948 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.472e-06/0.008866, allocations: 0.75 kB / 0.5263 GB, free: 11.95 MB / 0.4948 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.422e-06/0.008867, allocations: 0 / 0.5263 GB, free: 11.95 MB / 0.4948 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.457e-06/0.008871, allocations: 4.844 kB / 0.5264 GB, free: 11.95 MB / 0.4948 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 6.637e-05/0.008937, allocations: 101.3 kB / 0.5265 GB, free: 11.82 MB / 0.4948 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.81e-07/0.008938, allocations: 0.6562 kB / 0.5265 GB, free: 11.82 MB / 0.4948 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 3.427e-05/0.008972, allocations: 19.92 kB / 0.5265 GB, free: 11.8 MB / 0.4948 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.403e-06/0.008974, allocations: 3.438 kB / 0.5265 GB, free: 11.8 MB / 0.4948 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.888e-06/0.008977, allocations: 0 / 0.5265 GB, free: 11.8 MB / 0.4948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.01e-07/0.008978, allocations: 0 / 0.5265 GB, free: 11.8 MB / 0.4948 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.012e-06/0.008979, allocations: 0 / 0.5265 GB, free: 11.8 MB / 0.4948 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 5.99e-05/0.009039, allocations: 92.33 kB / 0.5266 GB, free: 11.69 MB / 0.4948 GB
Notification: Performance of postOpt removeConstants (simulation): time 6.503e-06/0.009045, allocations: 7.984 kB / 0.5266 GB, free: 11.68 MB / 0.4948 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.935e-06/0.009053, allocations: 3.984 kB / 0.5266 GB, free: 11.68 MB / 0.4948 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 8.236e-06/0.009062, allocations: 0 / 0.5266 GB, free: 11.68 MB / 0.4948 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 1.088e-05/0.009072, allocations: 0 / 0.5266 GB, free: 11.68 MB / 0.4948 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.988e-06/0.009076, allocations: 10.88 kB / 0.5266 GB, free: 11.67 MB / 0.4948 GB
Notification: Performance of sorting global known variables: time 3.423e-05/0.009111, allocations: 131.2 kB / 0.5267 GB, free: 11.54 MB / 0.4948 GB
Notification: Performance of sort global known variables: time 4e-08/0.009111, allocations: 0 / 0.5267 GB, free: 11.54 MB / 0.4948 GB
Notification: Performance of remove unused functions: time 0.0001488/0.009259, allocations: 47.81 kB / 0.5268 GB, free: 11.49 MB / 0.4948 GB
Notification: Model statistics after passing the back-end for simulation:
 * 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 simulation (4):
 * Single equations (assignments): 4
 * 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 0.000156/0.009415, allocations: 163 kB / 0.5269 GB, free: 11.32 MB / 0.4948 GB
Notification: Performance of simCode: created initialization part: time 5.583e-05/0.009471, allocations: 23.61 kB / 0.5269 GB, free: 11.29 MB / 0.4948 GB
Notification: Performance of simCode: created event and clocks part: time 1.242e-06/0.009473, allocations: 1.594 kB / 0.5269 GB, free: 11.29 MB / 0.4948 GB
Notification: Performance of simCode: created simulation system equations: time 1.305e-05/0.009486, allocations: 19.67 kB / 0.527 GB, free: 11.27 MB / 0.4948 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001111/0.009597, allocations: 8 kB / 0.527 GB, free: 11.26 MB / 0.4948 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.000201/0.009798, allocations: 148.8 kB / 0.5271 GB, free: 11.09 MB / 0.4948 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 2.636e-05/0.009824, allocations: 55.36 kB / 0.5272 GB, free: 11.02 MB / 0.4948 GB
Notification: Performance of simCode: alias equations: time 2.164e-05/0.009846, allocations: 8.688 kB / 0.5272 GB, free: 11.01 MB / 0.4948 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 4.469e-05/0.00989, allocations: 78.19 kB / 0.5272 GB, free: 10.93 MB / 0.4948 GB
Notification: Performance of SimCode: time 3.81e-07/0.009891, allocations: 3.938 kB / 0.5272 GB, free: 10.93 MB / 0.4948 GB
Notification: Performance of Templates: time 0.002821/0.01271, allocations: 1.436 MB / 0.5286 GB, free: 9.629 MB / 0.4948 GB
"
[Timeout remaining time 660]
make -j1 -f IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe.makefile [Timeout 660]
(rm -f IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe.pipe ; mkfifo IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe.pipe >> ../files/IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe.sim & ./IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe -abortSlowSimulation -alarm=240  -lv LOG_STATS > IDEAS_IDEAS.Fluid.Geothermal.Borefields.BaseClasses.Boreholes.BaseClasses.Functions.Validation.ConvectionResistanceCircularPipe.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 3.7590693323872983]