Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo): time 0.05751/0.05751, allocations: 9.124 MB / 28.99 MB, free: 0.8125 MB / 18.57 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/EmbeddedTargets/STM32F4/Functions/HAL.mo:5:3-11:14:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/OperatingSystem/DynamicArray.mo:6:3-94:18:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1041:3-1062:27:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/Incubate/Utilities/Functions.mo:1064:3-1092:25:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 180] 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 0.001045/0.001045, allocations: 94.41 kB / 35.33 MB, free: 1.074 MB / 24.77 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 0.001088/0.001088, allocations: 164.1 kB / 38.73 MB, free: 2.5 MB / 24.77 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 0.9421/0.9421, allocations: 177.2 MB / 219.2 MB, free: 10.1 MB / 202.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/package.mo): time 0.00416/0.00416, allocations: 0.8293 MB / 276.5 MB, free: 0.7344 MB / 250.7 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo): time 1.613/1.613, allocations: 274.9 MB / 0.5419 GB, free: 0.625 MB / 0.4949 GB " [Timeout remaining time 178] Using package AixLib with version 3.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 3.0.1/package.mo) Using package SDF with version 0.4.5 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF 0.4.5/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) Using package Modelica_DeviceDrivers with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.2.0/package.mo) Running command: translateModel(AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997,tolerance=1e-08,outputFormat="empty",numberOfIntervals=35,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997") translateModel(AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997,tolerance=1e-08,outputFormat="empty",numberOfIntervals=35,variableFilter="",fileNamePrefix="AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.092e-06/1.092e-06, allocations: 0 / 0.6379 GB, free: 14.04 MB / 0.6043 GB Notification: Performance of FrontEnd - Absyn->SCode: time 7.895e-06/8.987e-06, allocations: 2.312 kB / 0.6379 GB, free: 14.04 MB / 0.6043 GB Notification: Performance of NFInst.instantiate(AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997): time 0.001977/0.001986, allocations: 1.934 MB / 0.6398 GB, free: 12.09 MB / 0.6043 GB Notification: Performance of NFInst.instExpressions: time 0.0006253/0.002611, allocations: 0.5565 MB / 0.6404 GB, free: 11.53 MB / 0.6043 GB Notification: Performance of NFInst.updateImplicitVariability: time 4.913e-05/0.00266, allocations: 4 kB / 0.6404 GB, free: 11.53 MB / 0.6043 GB Notification: Performance of NFTyping.typeComponents: time 3.344e-05/0.002693, allocations: 19.8 kB / 0.6404 GB, free: 11.51 MB / 0.6043 GB Notification: Performance of NFTyping.typeBindings: time 0.0002282/0.002922, allocations: 99.33 kB / 0.6405 GB, free: 11.41 MB / 0.6043 GB Notification: Performance of NFTyping.typeClassSections: time 4.263e-05/0.002964, allocations: 39.97 kB / 0.6405 GB, free: 11.37 MB / 0.6043 GB Notification: Performance of NFFlatten.flatten: time 9.41e-05/0.003058, allocations: 127.7 kB / 0.6406 GB, free: 11.25 MB / 0.6043 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0001441/0.003203, allocations: 101.8 kB / 0.6407 GB, free: 11.14 MB / 0.6043 GB Notification: Performance of NFEvalConstants.evaluate: time 8.436e-05/0.003287, allocations: 75.83 kB / 0.6408 GB, free: 11.07 MB / 0.6043 GB Notification: Performance of NFSimplifyModel.simplify: time 4.317e-05/0.00333, allocations: 47.86 kB / 0.6409 GB, free: 11.02 MB / 0.6043 GB Notification: Performance of NFPackage.collectConstants: time 1.809e-05/0.003348, allocations: 16 kB / 0.6409 GB, free: 11.01 MB / 0.6043 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001304/0.003479, allocations: 99.92 kB / 0.641 GB, free: 10.91 MB / 0.6043 GB Notification: Performance of NFScalarize.scalarize: time 2.181e-05/0.0035, allocations: 35.84 kB / 0.641 GB, free: 10.88 MB / 0.6043 GB Notification: Performance of NFVerifyModel.verify: time 3.082e-05/0.003531, allocations: 51.83 kB / 0.6411 GB, free: 10.82 MB / 0.6043 GB Notification: Performance of NFConvertDAE.convert: time 0.000175/0.003706, allocations: 179.3 kB / 0.6412 GB, free: 10.65 MB / 0.6043 GB Notification: Performance of FrontEnd - DAE generated: time 2.003e-06/0.003708, allocations: 0 / 0.6412 GB, free: 10.65 MB / 0.6043 GB Notification: Performance of FrontEnd: time 4.71e-07/0.003709, allocations: 0 / 0.6412 GB, free: 10.65 MB / 0.6043 GB Notification: Performance of Transformations before backend: time 2.595e-06/0.003711, allocations: 0 / 0.6412 GB, free: 10.65 MB / 0.6043 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 41 * Number of variables: 41 Notification: Performance of Generate backend data structure: time 0.0002889/0.004, allocations: 355.8 kB / 0.6416 GB, free: 10.27 MB / 0.6043 GB Notification: Performance of prepare preOptimizeDAE: time 2.679e-05/0.004027, allocations: 11.98 kB / 0.6416 GB, free: 10.26 MB / 0.6043 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 3.007e-05/0.004057, allocations: 24.92 kB / 0.6416 GB, free: 10.24 MB / 0.6043 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001126/0.00417, allocations: 149.5 kB / 0.6417 GB, free: 10.07 MB / 0.6043 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.398e-05/0.004184, allocations: 8.375 kB / 0.6418 GB, free: 10.06 MB / 0.6043 GB Notification: Performance of preOpt expandDerOperator (simulation): time 1.243e-05/0.004196, allocations: 24.31 kB / 0.6418 GB, free: 10.04 MB / 0.6043 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001247/0.004321, allocations: 126.7 kB / 0.6419 GB, free: 9.902 MB / 0.6043 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.553e-06/0.004327, allocations: 192 / 0.6419 GB, free: 9.902 MB / 0.6043 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.426e-06/0.004336, allocations: 4.375 kB / 0.6419 GB, free: 9.898 MB / 0.6043 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.29e-06/0.004341, allocations: 4.375 kB / 0.6419 GB, free: 9.895 MB / 0.6043 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 4.458e-05/0.004386, allocations: 43.64 kB / 0.6419 GB, free: 9.852 MB / 0.6043 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0003436/0.004729, allocations: 337.2 kB / 0.6423 GB, free: 9.504 MB / 0.6043 GB Notification: Performance of preOpt comSubExp (simulation): time 5.098e-05/0.00478, allocations: 34.56 kB / 0.6423 GB, free: 9.461 MB / 0.6043 GB Notification: Performance of preOpt resolveLoops (simulation): time 1.533e-05/0.004796, allocations: 16.84 kB / 0.6423 GB, free: 9.441 MB / 0.6043 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001093/0.004905, allocations: 31.98 kB / 0.6423 GB, free: 9.41 MB / 0.6043 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.573e-05/0.004921, allocations: 30.56 kB / 0.6424 GB, free: 9.371 MB / 0.6043 GB Notification: Performance of pre-optimization done (n=5): time 1.553e-06/0.004922, allocations: 3.984 kB / 0.6424 GB, free: 9.367 MB / 0.6043 GB Notification: Performance of matching and sorting (n=5): time 8.547e-05/0.005008, allocations: 53.62 kB / 0.6424 GB, free: 9.309 MB / 0.6043 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.223e-05/0.00503, allocations: 59.39 kB / 0.6425 GB, free: 9.238 MB / 0.6043 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 5.734e-05/0.005087, allocations: 126.6 kB / 0.6426 GB, free: 9.102 MB / 0.6043 GB Notification: Performance of collectPreVariables (initialization): time 9.718e-06/0.005097, allocations: 29.7 kB / 0.6426 GB, free: 9.066 MB / 0.6043 GB Notification: Performance of collectInitialEqns (initialization): time 4.531e-05/0.005142, allocations: 132.1 kB / 0.6428 GB, free: 8.934 MB / 0.6043 GB Notification: Performance of collectInitialBindings (initialization): time 1.148e-05/0.005154, allocations: 27.78 kB / 0.6428 GB, free: 8.906 MB / 0.6043 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.71e-05/0.005181, allocations: 21.7 kB / 0.6428 GB, free: 8.879 MB / 0.6043 GB Notification: Performance of setup shared object (initialization): time 6.935e-05/0.00525, allocations: 326.8 kB / 0.6431 GB, free: 8.551 MB / 0.6043 GB Notification: Performance of preBalanceInitialSystem (initialization): time 9.036e-06/0.005259, allocations: 4 kB / 0.6431 GB, free: 8.547 MB / 0.6043 GB Notification: Performance of partitionIndependentBlocks (initialization): time 2.329e-05/0.005282, allocations: 27.44 kB / 0.6432 GB, free: 8.508 MB / 0.6043 GB Notification: Performance of analyzeInitialSystem (initialization): time 4.149e-05/0.005324, allocations: 55.33 kB / 0.6432 GB, free: 8.441 MB / 0.6043 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.503e-06/0.005325, allocations: 256 / 0.6432 GB, free: 8.441 MB / 0.6043 GB Notification: Performance of matching and sorting (n=8) (initialization): time 5.849e-05/0.005384, allocations: 65.56 kB / 0.6433 GB, free: 8.371 MB / 0.6043 GB Notification: Performance of prepare postOptimizeDAE: time 8.806e-06/0.005393, allocations: 8 kB / 0.6433 GB, free: 8.363 MB / 0.6043 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.416e-06/0.005396, allocations: 0 / 0.6433 GB, free: 8.363 MB / 0.6043 GB Notification: Performance of postOpt tearingSystem (initialization): time 8.847e-06/0.005405, allocations: 4 kB / 0.6433 GB, free: 8.359 MB / 0.6043 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 4.778e-05/0.005453, allocations: 15.98 kB / 0.6433 GB, free: 8.344 MB / 0.6043 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.394e-06/0.005455, allocations: 0 / 0.6433 GB, free: 8.344 MB / 0.6043 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 2.797e-05/0.005483, allocations: 11.98 kB / 0.6433 GB, free: 8.332 MB / 0.6043 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.781e-06/0.005489, allocations: 4 kB / 0.6433 GB, free: 8.328 MB / 0.6043 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * 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 (8): * 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: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 4.836e-05/0.005537, allocations: 113.7 kB / 0.6434 GB, free: 8.207 MB / 0.6043 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.483e-05/0.005552, allocations: 12.09 kB / 0.6434 GB, free: 8.195 MB / 0.6043 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 6.903e-05/0.005621, allocations: 61.73 kB / 0.6435 GB, free: 8.133 MB / 0.6043 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.051e-06/0.005622, allocations: 0 / 0.6435 GB, free: 8.133 MB / 0.6043 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.022e-06/0.005623, allocations: 0 / 0.6435 GB, free: 8.133 MB / 0.6043 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.384e-06/0.005626, allocations: 0 / 0.6435 GB, free: 8.133 MB / 0.6043 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 8.676e-05/0.005712, allocations: 105.7 kB / 0.6436 GB, free: 8.012 MB / 0.6043 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.61e-07/0.005713, allocations: 0 / 0.6436 GB, free: 8.012 MB / 0.6043 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.228e-05/0.005735, allocations: 8 kB / 0.6436 GB, free: 8.004 MB / 0.6043 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.312e-06/0.005737, allocations: 0 / 0.6436 GB, free: 8.004 MB / 0.6043 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.501e-06/0.005742, allocations: 7.984 kB / 0.6436 GB, free: 7.996 MB / 0.6043 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.22e-07/0.005743, allocations: 4 kB / 0.6436 GB, free: 7.992 MB / 0.6043 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.61e-07/0.005743, allocations: 0 / 0.6436 GB, free: 7.992 MB / 0.6043 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 6.158e-05/0.005805, allocations: 143.4 kB / 0.6437 GB, free: 7.836 MB / 0.6043 GB Notification: Performance of postOpt removeConstants (simulation): time 6.873e-06/0.005812, allocations: 4 kB / 0.6438 GB, free: 7.832 MB / 0.6043 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.014e-06/0.005819, allocations: 0 / 0.6438 GB, free: 7.832 MB / 0.6043 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 3.356e-05/0.005852, allocations: 8.172 kB / 0.6438 GB, free: 7.824 MB / 0.6043 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.206e-05/0.005874, allocations: 4 kB / 0.6438 GB, free: 7.82 MB / 0.6043 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.747e-06/0.005878, allocations: 8 kB / 0.6438 GB, free: 7.812 MB / 0.6043 GB Notification: Performance of sorting global known variables: time 1.736e-05/0.005895, allocations: 25.33 kB / 0.6438 GB, free: 7.785 MB / 0.6043 GB Notification: Performance of sort global known variables: time 4e-08/0.005896, allocations: 0 / 0.6438 GB, free: 7.785 MB / 0.6043 GB Notification: Performance of remove unused functions: time 0.000151/0.006047, allocations: 67.64 kB / 0.6439 GB, free: 7.719 MB / 0.6043 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 (5): * Single equations (assignments): 5 * 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 0.0001189/0.006165, allocations: 128.2 kB / 0.644 GB, free: 7.582 MB / 0.6043 GB Notification: Performance of simCode: created initialization part: time 5.526e-05/0.006221, allocations: 28.8 kB / 0.644 GB, free: 7.551 MB / 0.6043 GB Notification: Performance of simCode: created event and clocks part: time 2.214e-06/0.006223, allocations: 0 / 0.644 GB, free: 7.551 MB / 0.6043 GB Notification: Performance of simCode: created simulation system equations: time 1.682e-05/0.00624, allocations: 20.78 kB / 0.644 GB, free: 7.527 MB / 0.6043 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001319/0.006372, allocations: 19.88 kB / 0.644 GB, free: 7.508 MB / 0.6043 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0004071/0.006779, allocations: 249.3 kB / 0.6443 GB, free: 7.238 MB / 0.6043 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 3.66e-05/0.006815, allocations: 63.34 kB / 0.6443 GB, free: 7.156 MB / 0.6043 GB Notification: Performance of simCode: alias equations: time 3.362e-05/0.006849, allocations: 15.84 kB / 0.6444 GB, free: 7.141 MB / 0.6043 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.641e-05/0.006895, allocations: 59.38 kB / 0.6444 GB, free: 7.082 MB / 0.6043 GB Notification: Performance of SimCode: time 6.71e-07/0.006896, allocations: 0 / 0.6444 GB, free: 7.082 MB / 0.6043 GB Notification: Performance of Templates: time 0.002751/0.009647, allocations: 1.455 MB / 0.6458 GB, free: 5.633 MB / 0.6043 GB " [Timeout remaining time 660] make -j1 -f AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997.makefile [Timeout 660] (rm -f AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997.pipe ; mkfifo AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997.pipe ; head -c 1048576 < AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997.pipe >> ../files/AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997.sim & ./AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997 -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -lv LOG_STATS > AixLib_AixLib.Fluid.HeatPumps.ModularReversible.RefrigerantCycle.Frosting.Validation.WetterAfjei1997.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.262988321017474]