Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.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 0.001911/0.001911, allocations: 114.3 kB / 18.94 MB, free: 2.934 MB / 14.72 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 0.002502/0.002502, allocations: 215.2 kB / 22.25 MB, free: 5.082 MB / 14.72 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 1.413/1.413, allocations: 230.6 MB / 256 MB, free: 8.023 MB / 206.1 MB
"
[Timeout remaining time 178]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/package.mo): time 3.206/3.206, allocations: 0.49 GB / 0.7951 GB, free: 33.3 MB / 0.6231 GB
"
[Timeout remaining time 176]
Using package Buildings with version 12.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.1-maint.12.x/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: "" <> buildModelFMU(Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix,fileNamePrefix="Buildings_12_Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix,fileNamePrefix="Buildings_12_Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix",fmuType="me",version="2.0",platforms={"static"}) [Timeout 300]
"Notification: Buildings requested package Modelica of version 4.0.0. Modelica 4.1.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.001991/0.001991, allocations: 71.08 kB / 1.154 GB, free: 25.72 MB / 0.9044 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3903/0.3923, allocations: 176.1 MB / 1.326 GB, free: 1.98 MB / 1.014 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix): time 0.00253/0.3948, allocations: 1.261 MB / 1.327 GB, free: 0.7148 MB / 1.014 GB
Notification: Performance of NFInst.instExpressions: time 0.005227/0.4001, allocations: 2.999 MB / 1.33 GB, free: 13.7 MB / 1.029 GB
Notification: Performance of NFInst.updateImplicitVariability: time 2.873e-05/0.4001, allocations: 0 / 1.33 GB, free: 13.7 MB / 1.029 GB
Notification: Performance of NFTyping.typeComponents: time 3.652e-05/0.4001, allocations: 0 / 1.33 GB, free: 13.7 MB / 1.029 GB
Notification: Performance of NFTyping.typeBindings: time 0.002949/0.4031, allocations: 1.021 MB / 1.331 GB, free: 12.68 MB / 1.029 GB
Notification: Performance of NFTyping.typeClassSections: time 4.187e-06/0.4031, allocations: 0 / 1.331 GB, free: 12.68 MB / 1.029 GB
Notification: Performance of NFFlatten.flatten: time 4.989e-05/0.4031, allocations: 11.98 kB / 1.331 GB, free: 12.67 MB / 1.029 GB
Notification: Performance of NFFlatten.resolveConnections: time 4.799e-05/0.4032, allocations: 0 / 1.331 GB, free: 12.67 MB / 1.029 GB
Notification: Performance of NFEvalConstants.evaluate: time 1.855e-05/0.4032, allocations: 7.938 kB / 1.331 GB, free: 12.66 MB / 1.029 GB
Notification: Performance of NFSimplifyModel.simplify: time 3.662e-05/0.4032, allocations: 11.97 kB / 1.331 GB, free: 12.65 MB / 1.029 GB
Notification: Performance of NFPackage.collectConstants: time 5.951e-06/0.4032, allocations: 0 / 1.331 GB, free: 12.65 MB / 1.029 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002578/0.4058, allocations: 1.669 MB / 1.333 GB, free: 10.98 MB / 1.029 GB
Notification: Performance of NFScalarize.scalarize: time 0.0006172/0.4064, allocations: 0.7251 MB / 1.333 GB, free: 10.25 MB / 1.029 GB
Notification: Performance of NFVerifyModel.verify: time 0.0009372/0.4074, allocations: 0.7116 MB / 1.334 GB, free: 9.535 MB / 1.029 GB
Notification: Performance of NFConvertDAE.convert: time 0.003723/0.4111, allocations: 3.476 MB / 1.338 GB, free: 6.051 MB / 1.029 GB
Notification: Performance of FrontEnd - DAE generated: time 4.689e-06/0.4111, allocations: 4 kB / 1.338 GB, free: 6.047 MB / 1.029 GB
Notification: Performance of FrontEnd: time 1.673e-06/0.4111, allocations: 0 / 1.338 GB, free: 6.047 MB / 1.029 GB
Notification: Performance of Transformations before backend: time 1.658e-05/0.4111, allocations: 4 kB / 1.338 GB, free: 6.043 MB / 1.029 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 0
 * Number of variables: 0
Notification: Performance of Generate backend data structure: time 0.008473/0.4196, allocations: 4.191 MB / 1.342 GB, free: 1.809 MB / 1.029 GB
Notification: Performance of prepare preOptimizeDAE: time 5.564e-05/0.4197, allocations: 8.031 kB / 1.342 GB, free: 1.801 MB / 1.029 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 7.088e-05/0.4197, allocations: 106 kB / 1.342 GB, free: 1.688 MB / 1.029 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006907/0.4204, allocations: 211.3 kB / 1.342 GB, free: 1.48 MB / 1.029 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004172/0.4246, allocations: 2.155 MB / 1.344 GB, free: 15.29 MB / 1.045 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.742e-05/0.4247, allocations: 162.1 kB / 1.344 GB, free: 15.13 MB / 1.045 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 7.429e-05/0.4247, allocations: 154.6 kB / 1.344 GB, free: 14.98 MB / 1.045 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 8.559e-05/0.4248, allocations: 104.9 kB / 1.344 GB, free: 14.87 MB / 1.045 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.097e-05/0.4249, allocations: 75.28 kB / 1.345 GB, free: 14.8 MB / 1.045 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.607e-05/0.4249, allocations: 150.6 kB / 1.345 GB, free: 14.65 MB / 1.045 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.619e-05/0.425, allocations: 154.6 kB / 1.345 GB, free: 14.5 MB / 1.045 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 7.689e-05/0.4251, allocations: 154.5 kB / 1.345 GB, free: 14.34 MB / 1.045 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002059/0.4271, allocations: 1.538 MB / 1.346 GB, free: 12.76 MB / 1.045 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0001166/0.4273, allocations: 169.1 kB / 1.347 GB, free: 12.59 MB / 1.045 GB
Notification: Performance of preOpt resolveLoops (simulation): time 4.958e-05/0.4273, allocations: 84.14 kB / 1.347 GB, free: 12.5 MB / 1.045 GB
Notification: Performance of preOpt evalFunc (simulation): time 4.606e-05/0.4274, allocations: 75.28 kB / 1.347 GB, free: 12.43 MB / 1.045 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.872e-05/0.4274, allocations: 105.8 kB / 1.347 GB, free: 12.31 MB / 1.045 GB
Notification: Performance of pre-optimization done (n=0): time 1.443e-06/0.4274, allocations: 0 / 1.347 GB, free: 12.31 MB / 1.045 GB
Notification: Performance of matching and sorting (n=0): time 0.0006042/0.428, allocations: 168.8 kB / 1.347 GB, free: 12.14 MB / 1.045 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.167e-05/0.4281, allocations: 126.7 kB / 1.347 GB, free: 12 MB / 1.045 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003781/0.4319, allocations: 2.426 MB / 1.35 GB, free: 9.57 MB / 1.045 GB
Notification: Performance of collectPreVariables (initialization): time 1.631e-05/0.4319, allocations: 29.64 kB / 1.35 GB, free: 9.535 MB / 1.045 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005689/0.4325, allocations: 0.5659 MB / 1.35 GB, free: 8.965 MB / 1.045 GB
Notification: Performance of collectInitialBindings (initialization): time 3.136e-06/0.4325, allocations: 0 / 1.35 GB, free: 8.965 MB / 1.045 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 3.385e-05/0.4325, allocations: 13.72 kB / 1.35 GB, free: 8.945 MB / 1.045 GB
Notification: Performance of setup shared object (initialization): time 0.0001417/0.4326, allocations: 309.9 kB / 1.35 GB, free: 8.637 MB / 1.045 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 6.311e-06/0.4327, allocations: 0 / 1.35 GB, free: 8.637 MB / 1.045 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 5.159e-06/0.4327, allocations: 0 / 1.35 GB, free: 8.637 MB / 1.045 GB
Notification: Performance of analyzeInitialSystem (initialization): time 3.816e-05/0.4327, allocations: 75.28 kB / 1.35 GB, free: 8.562 MB / 1.045 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.113e-05/0.4327, allocations: 79.28 kB / 1.351 GB, free: 8.484 MB / 1.045 GB
Notification: Performance of matching and sorting (n=0) (initialization): time 0.0005915/0.4333, allocations: 160.8 kB / 1.351 GB, free: 8.32 MB / 1.045 GB
Notification: Performance of prepare postOptimizeDAE: time 5.278e-05/0.4334, allocations: 79.28 kB / 1.351 GB, free: 8.242 MB / 1.045 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.297e-05/0.4334, allocations: 83.2 kB / 1.351 GB, free: 8.16 MB / 1.045 GB
Notification: Performance of postOpt tearingSystem (initialization): time 7.592e-05/0.4335, allocations: 154.6 kB / 1.351 GB, free: 8.008 MB / 1.045 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 3.209e-05/0.4335, allocations: 79.41 kB / 1.351 GB, free: 7.93 MB / 1.045 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.983e-05/0.4336, allocations: 162.5 kB / 1.351 GB, free: 7.77 MB / 1.045 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007858/0.4344, allocations: 203.3 kB / 1.351 GB, free: 7.57 MB / 1.045 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.591e-05/0.4344, allocations: 79.22 kB / 1.352 GB, free: 7.492 MB / 1.045 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 (0):
 * Single equations (assignments): 0
 * 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 0.0005618/0.435, allocations: 0.6341 MB / 1.352 GB, free: 6.848 MB / 1.045 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005849/0.4356, allocations: 236 kB / 1.352 GB, free: 6.609 MB / 1.045 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000264/0.4358, allocations: 305.1 kB / 1.353 GB, free: 6.293 MB / 1.045 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.213e-05/0.4359, allocations: 180.3 kB / 1.353 GB, free: 6.109 MB / 1.045 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.586e-05/0.436, allocations: 180.3 kB / 1.353 GB, free: 5.926 MB / 1.045 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.601e-05/0.4361, allocations: 184.2 kB / 1.353 GB, free: 5.738 MB / 1.045 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001143/0.4372, allocations: 0.8229 MB / 1.354 GB, free: 4.863 MB / 1.045 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.938e-05/0.4373, allocations: 116.9 kB / 1.354 GB, free: 4.742 MB / 1.045 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.413e-05/0.4373, allocations: 105 kB / 1.354 GB, free: 4.633 MB / 1.045 GB
Notification: Performance of postOpt tearingSystem (simulation): time 9.39e-05/0.4374, allocations: 176.3 kB / 1.354 GB, free: 4.453 MB / 1.045 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.987e-05/0.4375, allocations: 184.2 kB / 1.355 GB, free: 4.266 MB / 1.045 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.145e-05/0.4376, allocations: 180.3 kB / 1.355 GB, free: 4.082 MB / 1.045 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.544e-05/0.4376, allocations: 180.2 kB / 1.355 GB, free: 3.898 MB / 1.045 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006918/0.4383, allocations: 446.4 kB / 1.355 GB, free: 3.438 MB / 1.045 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.002712/0.441, allocations: 1.07 MB / 1.356 GB, free: 2.359 MB / 1.045 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007971/0.4418, allocations: 180.2 kB / 1.357 GB, free: 2.176 MB / 1.045 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007942/0.4426, allocations: 232.9 kB / 1.357 GB, free: 1.941 MB / 1.045 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001029/0.4427, allocations: 188.2 kB / 1.357 GB, free: 1.75 MB / 1.045 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.099e-05/0.4428, allocations: 105 kB / 1.357 GB, free: 1.641 MB / 1.045 GB
Notification: Performance of sorting global known variables: time 0.003088/0.4459, allocations: 1.922 MB / 1.359 GB, free: 15.72 MB / 1.061 GB
Notification: Performance of sort global known variables: time 9e-08/0.4459, allocations: 3.938 kB / 1.359 GB, free: 15.72 MB / 1.061 GB
Notification: Performance of remove unused functions: time 0.001669/0.4475, allocations: 422.9 kB / 1.359 GB, free: 15.3 MB / 1.061 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 (0):
 * Single equations (assignments): 0
 * 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 0.002775/0.4503, allocations: 1.481 MB / 1.361 GB, free: 13.87 MB / 1.061 GB
Notification: Performance of simCode: created initialization part: time 6.802e-05/0.4504, allocations: 8 kB / 1.361 GB, free: 13.86 MB / 1.061 GB
Notification: Performance of simCode: created event and clocks part: time 3.627e-06/0.4504, allocations: 0 / 1.361 GB, free: 13.86 MB / 1.061 GB
Notification: Performance of simCode: created simulation system equations: time 3.517e-06/0.4504, allocations: 3.938 kB / 1.361 GB, free: 13.86 MB / 1.061 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001231/0.4516, allocations: 0.5332 MB / 1.361 GB, free: 13.32 MB / 1.061 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02689/0.4785, allocations: 18.08 MB / 1.379 GB, free: 11.1 MB / 1.076 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007819/0.4793, allocations: 1.128 MB / 1.38 GB, free: 9.941 MB / 1.076 GB
Notification: Performance of simCode: alias equations: time 0.004281/0.4836, allocations: 1.932 MB / 1.382 GB, free: 8 MB / 1.076 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003614/0.4872, allocations: 1.569 MB / 1.383 GB, free: 6.43 MB / 1.076 GB
Notification: Performance of SimCode: time 1.973e-06/0.4872, allocations: 4 kB / 1.383 GB, free: 6.426 MB / 1.076 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1103/0.5975, allocations: 53.09 MB / 1.435 GB, free: 1.422 MB / 1.123 GB
Notification: Performance of buildModelFMU: Generate platform static: time 14.17/14.77, allocations: 7.625 kB / 1.435 GB, free: 1.418 MB / 1.123 GB
"
[Timeout remaining time 285]
(rm -f Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe ; mkfifo Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe >> ../files/Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.sim & python3 -m fmpy simulate  --output-file Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix_res.csv --start-time 0 --stop-time 1 --timeout 400 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 Buildings_12_Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix.fmu > Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.pipe 2>&1) [Timeout 420.0]
diffSimulationResults("Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix_res.csv","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_Geothermal_ZonedBorefields_BaseClasses_HeatTransfer_Validation_TemperatureResponseMatrix.csv","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.Geothermal.ZonedBorefields.BaseClasses.HeatTransfer.Validation.TemperatureResponseMatrix.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300]
"Error: Error getting time from reference file
"
[Timeout remaining time 300]
""

Variables in the reference:time,kappa[2,2,1],kappa[2,2,2],kappa[2,2,3],kappa[2,2,4],kappa[2,2,5],kappa[2,2,6],kappa[2,2,7],kappa[1,4,1],kappa[1,4,2],kappa[1,4,3],kappa[1,4,4],kappa[1,4,5],kappa[1,4,6],kappa[1,4,7],kappa[7,6,1],kappa[7,6,2],kappa[7,6,3],kappa[7,6,4],kappa[7,6,5],kappa[7,6,6],kappa[7,6,7]

Variables in the result:time,kappa[1,1,1],kappa[1,1,2],kappa[1,1,3],kappa[1,1,4],kappa[1,1,5]
[Calling sys.exit(0), Time elapsed: 22.03767366700049]