Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.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 0.001028/0.001028, allocations: 72.95 kB / 20.72 MB, free: 3.77 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 0.00113/0.00113, allocations: 169 kB / 24.14 MB, free: 360 kB / 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 0.992/0.992, allocations: 177.1 MB / 204.6 MB, free: 5.461 MB / 186.7 MB
"
[Timeout remaining time 179]
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180]
"Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.6706/0.6706, allocations: 115 MB / 376 MB, free: 7.512 MB / 346.7 MB
"
[Timeout remaining time 179]
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/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(IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT")
translateModel(IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT") [Timeout 660]
"Notification: Performance of FrontEnd - loaded program: time 1.713e-06/1.713e-06, allocations: 0 / 428.8 MB, free: 2.754 MB / 394.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 2.774e-05/2.946e-05, allocations: 6.25 kB / 428.8 MB, free: 2.746 MB / 394.7 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT): time 0.01832/0.01835, allocations: 18.11 MB / 446.9 MB, free: 0.5625 MB / 410.7 MB
Notification: Performance of NFInst.instExpressions: time 0.2197/0.2381, allocations: 5.234 MB / 452.1 MB, free: 16.78 MB / 410.7 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0007354/0.2388, allocations: 53.59 kB / 452.2 MB, free: 16.78 MB / 410.7 MB
Notification: Performance of NFTyping.typeComponents: time 0.0005358/0.2393, allocations: 246.7 kB / 452.4 MB, free: 16.77 MB / 410.7 MB
Notification: Performance of NFTyping.typeBindings: time 0.001616/0.2409, allocations: 0.9417 MB / 453.4 MB, free: 16.66 MB / 410.7 MB
Notification: Performance of NFTyping.typeClassSections: time 0.00212/0.2431, allocations: 1.14 MB / 454.5 MB, free: 16.61 MB / 410.7 MB
Notification: Performance of NFFlatten.flatten: time 0.00247/0.2455, allocations: 2.221 MB / 456.7 MB, free: 16.2 MB / 410.7 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0009767/0.2465, allocations: 0.5407 MB / 457.3 MB, free: 15.99 MB / 410.7 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.006813/0.2533, allocations: 4.543 MB / 461.8 MB, free: 14.25 MB / 410.7 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.0006931/0.254, allocations: 484.4 kB / 462.3 MB, free: 14.04 MB / 410.7 MB
Notification: Performance of NFPackage.collectConstants: time 8.834e-05/0.2541, allocations: 54.56 kB / 462.3 MB, free: 14.04 MB / 410.7 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0008745/0.255, allocations: 0.4977 MB / 462.8 MB, free: 13.85 MB / 410.7 MB
Notification: Performance of NFScalarize.scalarize: time 0.0001236/0.2551, allocations: 186.9 kB / 463 MB, free: 13.72 MB / 410.7 MB
Notification: Performance of NFVerifyModel.verify: time 0.0002116/0.2553, allocations: 270 kB / 463.3 MB, free: 13.61 MB / 410.7 MB
Notification: Performance of NFConvertDAE.convert: time 0.0009038/0.2562, allocations: 0.8265 MB / 464.1 MB, free: 13.18 MB / 410.7 MB
Notification: Performance of FrontEnd - DAE generated: time 3.417e-06/0.2562, allocations: 1.406 kB / 464.1 MB, free: 13.18 MB / 410.7 MB
Notification: Performance of FrontEnd: time 1.633e-06/0.2562, allocations: 0 / 464.1 MB, free: 13.18 MB / 410.7 MB
Notification: Performance of Transformations before backend: time 1.115e-05/0.2562, allocations: 0 / 464.1 MB, free: 13.18 MB / 410.7 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 110
 * Number of variables: 110
Notification: Performance of Generate backend data structure: time 0.0008362/0.2571, allocations: 0.9651 MB / 465.1 MB, free: 12.47 MB / 410.7 MB
Notification: Performance of prepare preOptimizeDAE: time 3.301e-05/0.2571, allocations: 9.438 kB / 465.1 MB, free: 12.47 MB / 410.7 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002301/0.2573, allocations: 111.4 kB / 465.2 MB, free: 12.43 MB / 410.7 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005999/0.2579, allocations: 0.5139 MB / 465.7 MB, free: 12.11 MB / 410.7 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.507e-05/0.258, allocations: 43.16 kB / 465.7 MB, free: 12.09 MB / 410.7 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.798e-05/0.258, allocations: 50.62 kB / 465.8 MB, free: 12.07 MB / 410.7 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003386/0.2583, allocations: 0.5082 MB / 466.3 MB, free: 11.65 MB / 410.7 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.93e-05/0.2584, allocations: 2.906 kB / 466.3 MB, free: 11.65 MB / 410.7 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.9e-05/0.2584, allocations: 20.98 kB / 466.3 MB, free: 11.63 MB / 410.7 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.267e-05/0.2584, allocations: 14.97 kB / 466.3 MB, free: 11.63 MB / 410.7 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001552/0.2586, allocations: 139.2 kB / 466.5 MB, free: 11.58 MB / 410.7 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001123/0.2597, allocations: 1.622 MB / 468.1 MB, free: 10.32 MB / 410.7 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0001307/0.2598, allocations: 149.1 kB / 468.2 MB, free: 10.23 MB / 410.7 MB
Notification: Performance of preOpt resolveLoops (simulation): time 4.262e-05/0.2599, allocations: 46.52 kB / 468.3 MB, free: 10.21 MB / 410.7 MB
Notification: Performance of preOpt evalFunc (simulation): time 8.66e-05/0.26, allocations: 30.44 kB / 468.3 MB, free: 10.2 MB / 410.7 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.016e-05/0.26, allocations: 45.67 kB / 468.4 MB, free: 10.15 MB / 410.7 MB
Notification: Performance of pre-optimization done (n=21): time 1.302e-06/0.26, allocations: 1.281 kB / 468.4 MB, free: 10.15 MB / 410.7 MB
Notification: Performance of matching and sorting (n=21): time 0.0002041/0.2602, allocations: 143.8 kB / 468.5 MB, free: 10.09 MB / 410.7 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 1.619e-05/0.2602, allocations: 54.41 kB / 468.5 MB, free: 10.02 MB / 410.7 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002973/0.2605, allocations: 0.5046 MB / 469.1 MB, free: 9.785 MB / 410.7 MB
Notification: Performance of collectPreVariables (initialization): time 1.831e-05/0.2605, allocations: 33.92 kB / 469.1 MB, free: 9.75 MB / 410.7 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0001076/0.2606, allocations: 302.5 kB / 469.4 MB, free: 9.516 MB / 410.7 MB
Notification: Performance of collectInitialBindings (initialization): time 3.99e-05/0.2607, allocations: 86.81 kB / 469.5 MB, free: 9.449 MB / 410.7 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 7.322e-05/0.2607, allocations: 87.88 kB / 469.6 MB, free: 9.398 MB / 410.7 MB
Notification: Performance of setup shared object (initialization): time 6.369e-05/0.2608, allocations: 370.6 kB / 469.9 MB, free: 9.07 MB / 410.7 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 4.995e-05/0.2609, allocations: 46.86 kB / 470 MB, free: 9.051 MB / 410.7 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001229/0.261, allocations: 315.6 kB / 470.3 MB, free: 8.695 MB / 410.7 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0001906/0.2612, allocations: 303.2 kB / 470.6 MB, free: 8.418 MB / 410.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.337e-06/0.2612, allocations: 1.938 kB / 470.6 MB, free: 8.418 MB / 410.7 MB
Notification: Performance of matching and sorting (n=52) (initialization): time 0.0002455/0.2614, allocations: 287.2 kB / 470.8 MB, free: 8.281 MB / 410.7 MB
Notification: Performance of prepare postOptimizeDAE: time 1.474e-05/0.2614, allocations: 9.625 kB / 470.9 MB, free: 8.281 MB / 410.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.625e-06/0.2614, allocations: 9.469 kB / 470.9 MB, free: 8.281 MB / 410.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 1.913e-05/0.2615, allocations: 12.62 kB / 470.9 MB, free: 8.277 MB / 410.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001908/0.2616, allocations: 98.14 kB / 471 MB, free: 8.254 MB / 410.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.018e-05/0.2617, allocations: 19.53 kB / 471 MB, free: 8.246 MB / 410.7 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001558/0.2618, allocations: 49.56 kB / 471 MB, free: 8.211 MB / 410.7 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.032e-05/0.2618, allocations: 16.22 kB / 471.1 MB, free: 8.211 MB / 410.7 MB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 9.324e-05/0.2619, allocations: 127.1 kB / 471.2 MB, free: 8.109 MB / 410.7 MB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001244/0.262, allocations: 313.1 kB / 471.5 MB, free: 7.762 MB / 410.7 MB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0001875/0.2622, allocations: 307.2 kB / 471.8 MB, free: 7.48 MB / 410.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.026e-06/0.2622, allocations: 4.266 kB / 471.8 MB, free: 7.48 MB / 410.7 MB
Notification: Performance of matching and sorting (n=52) (initialization_lambda0): time 0.0002425/0.2625, allocations: 288.6 kB / 472.1 MB, free: 7.34 MB / 410.7 MB
Notification: Performance of prepare postOptimizeDAE: time 8.435e-06/0.2625, allocations: 12.88 kB / 472.1 MB, free: 7.336 MB / 410.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.33e-06/0.2625, allocations: 6.875 kB / 472.1 MB, free: 7.336 MB / 410.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 6.162e-06/0.2625, allocations: 11.28 kB / 472.1 MB, free: 7.336 MB / 410.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001505/0.2627, allocations: 97.61 kB / 472.2 MB, free: 7.312 MB / 410.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.332e-06/0.2627, allocations: 11.88 kB / 472.2 MB, free: 7.309 MB / 410.7 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001414/0.2628, allocations: 36.92 kB / 472.2 MB, free: 7.285 MB / 410.7 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.579e-05/0.2628, allocations: 19.53 kB / 472.3 MB, free: 7.281 MB / 410.7 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 28
 * 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 (52):
 * Single equations (assignments): 52
 * 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 7.508e-05/0.2629, allocations: 214.6 kB / 472.5 MB, free: 7.074 MB / 410.7 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 4.715e-05/0.2629, allocations: 45.27 kB / 472.5 MB, free: 7.047 MB / 410.7 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001852/0.2631, allocations: 164.9 kB / 472.7 MB, free: 6.887 MB / 410.7 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.504e-06/0.2631, allocations: 7.594 kB / 472.7 MB, free: 6.883 MB / 410.7 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.095e-06/0.2631, allocations: 0 / 472.7 MB, free: 6.883 MB / 410.7 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001017/0.2632, allocations: 268.8 kB / 473 MB, free: 6.574 MB / 410.7 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0005532/0.2638, allocations: 0.7113 MB / 473.7 MB, free: 5.895 MB / 410.7 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.425e-06/0.2638, allocations: 0.5938 kB / 473.7 MB, free: 5.895 MB / 410.7 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001226/0.2639, allocations: 60.64 kB / 473.7 MB, free: 5.836 MB / 410.7 MB
Notification: Performance of postOpt tearingSystem (simulation): time 2.816e-06/0.2639, allocations: 4 kB / 473.7 MB, free: 5.832 MB / 410.7 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.013e-05/0.2639, allocations: 9.281 kB / 473.7 MB, free: 5.824 MB / 410.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.544e-06/0.2639, allocations: 4 kB / 473.7 MB, free: 5.82 MB / 410.7 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.344e-06/0.2639, allocations: 3.938 kB / 473.7 MB, free: 5.816 MB / 410.7 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001989/0.2641, allocations: 367.3 kB / 474.1 MB, free: 5.422 MB / 410.7 MB
Notification: Performance of postOpt removeConstants (simulation): time 9.717e-05/0.2642, allocations: 75.53 kB / 474.2 MB, free: 5.348 MB / 410.7 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.606e-05/0.2643, allocations: 8 kB / 474.2 MB, free: 5.34 MB / 410.7 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001381/0.2644, allocations: 20.66 kB / 474.2 MB, free: 5.32 MB / 410.7 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 2.35e-05/0.2644, allocations: 25.53 kB / 474.2 MB, free: 5.297 MB / 410.7 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.471e-05/0.2644, allocations: 8 kB / 474.2 MB, free: 5.289 MB / 410.7 MB
Notification: Performance of sorting global known variables: time 0.0001358/0.2646, allocations: 240.1 kB / 474.5 MB, free: 5.082 MB / 410.7 MB
Notification: Performance of sort global known variables: time 6e-08/0.2646, allocations: 0 / 474.5 MB, free: 5.082 MB / 410.7 MB
Notification: Performance of remove unused functions: time 0.0004813/0.2651, allocations: 337.5 kB / 474.8 MB, free: 4.754 MB / 410.7 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 9
 * Number of states: 2 (vol.dynBal.U,vol1.dynBal.U)
 * 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 (24):
 * Single equations (assignments): 23
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 1
 * 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 0.0002276/0.2653, allocations: 173 kB / 475 MB, free: 4.582 MB / 410.7 MB
Notification: Performance of simCode: created initialization part: time 0.0002615/0.2655, allocations: 311.1 kB / 475.3 MB, free: 4.293 MB / 410.7 MB
Notification: Performance of simCode: created event and clocks part: time 1.084e-05/0.2656, allocations: 8 kB / 475.3 MB, free: 4.285 MB / 410.7 MB
Notification: Performance of simCode: created simulation system equations: time 5.407e-05/0.2656, allocations: 66.97 kB / 475.3 MB, free: 4.223 MB / 410.7 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007187/0.2663, allocations: 343.9 kB / 475.7 MB, free: 3.941 MB / 410.7 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001028/0.2674, allocations: 0.9969 MB / 476.7 MB, free: 2.922 MB / 410.7 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 6.591e-05/0.2674, allocations: 134.1 kB / 476.8 MB, free: 2.77 MB / 410.7 MB
Notification: Performance of simCode: alias equations: time 0.0002605/0.2677, allocations: 123.5 kB / 476.9 MB, free: 2.68 MB / 410.7 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000367/0.2681, allocations: 262.6 kB / 477.2 MB, free: 2.426 MB / 410.7 MB
Notification: Performance of SimCode: time 6.52e-07/0.2681, allocations: 7.938 kB / 477.2 MB, free: 2.418 MB / 410.7 MB
Notification: Performance of Templates: time 0.01455/0.2826, allocations: 12.49 MB / 489.7 MB, free: 6.555 MB / 426.7 MB
"
[Timeout remaining time 660]
make -j1 -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.makefile [Timeout 660]
(rm -f IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.sim & ./IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.pipe 2>&1) [Timeout 240]
[Calling sys.exit(0), Time elapsed: 3.774184294976294]