Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor.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 0.001437/0.001437, allocations: 80.8 kB / 20.75 MB, free: 3.738 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 0.00175/0.00175, allocations: 161.4 kB / 24.16 MB, free: 332 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 1.004/1.004, allocations: 177.1 MB / 204.6 MB, free: 5.492 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-maint.12.x/package.mo): time 1.956/1.956, allocations: 377.9 MB / 0.624 GB, free: 8.34 MB / 0.5886 GB " [Timeout remaining time 178] Using package Buildings with version 12.1.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.1.3-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: translateModel(Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|sen.I|sen.V",fileNamePrefix="Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor") translateModel(Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|sen.I|sen.V",fileNamePrefix="Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.613e-06/1.613e-06, allocations: 0 / 0.76 GB, free: 6.598 MB / 0.7136 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.316e-05/2.478e-05, allocations: 6.75 kB / 0.76 GB, free: 6.59 MB / 0.7136 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor): time 0.003033/0.003058, allocations: 2.197 MB / 0.7622 GB, free: 4.41 MB / 0.7136 GB Notification: Performance of NFInst.instExpressions: time 0.0008673/0.003925, allocations: 0.5248 MB / 0.7627 GB, free: 3.891 MB / 0.7136 GB Notification: Performance of NFInst.updateImplicitVariability: time 8.944e-05/0.004014, allocations: 7.938 kB / 0.7627 GB, free: 3.883 MB / 0.7136 GB Notification: Performance of NFTyping.typeComponents: time 0.0008386/0.004853, allocations: 425.9 kB / 0.7631 GB, free: 3.469 MB / 0.7136 GB Notification: Performance of NFTyping.typeBindings: time 0.0002249/0.005078, allocations: 99.2 kB / 0.7632 GB, free: 3.379 MB / 0.7136 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002555/0.005333, allocations: 100.7 kB / 0.7633 GB, free: 3.281 MB / 0.7136 GB Notification: Performance of NFFlatten.flatten: time 0.0002418/0.005575, allocations: 212.3 kB / 0.7635 GB, free: 3.074 MB / 0.7136 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0002314/0.005807, allocations: 130.8 kB / 0.7636 GB, free: 2.938 MB / 0.7136 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001322/0.005939, allocations: 120.4 kB / 0.7637 GB, free: 2.82 MB / 0.7136 GB Notification: Performance of NFSimplifyModel.simplify: time 0.000222/0.006161, allocations: 83.77 kB / 0.7638 GB, free: 2.738 MB / 0.7136 GB Notification: Performance of NFPackage.collectConstants: time 2.252e-05/0.006183, allocations: 17.72 kB / 0.7638 GB, free: 2.723 MB / 0.7136 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0001434/0.006327, allocations: 79.78 kB / 0.7639 GB, free: 2.645 MB / 0.7136 GB Notification: Performance of NFScalarize.scalarize: time 5.966e-05/0.006386, allocations: 63.83 kB / 0.764 GB, free: 2.582 MB / 0.7136 GB Notification: Performance of NFVerifyModel.verify: time 5.173e-05/0.006438, allocations: 51.89 kB / 0.764 GB, free: 2.531 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.0002299/0.006668, allocations: 160.3 kB / 0.7642 GB, free: 2.375 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 2.515e-06/0.00667, allocations: 0 / 0.7642 GB, free: 2.375 MB / 0.7136 GB Notification: Performance of FrontEnd: time 1.042e-06/0.006672, allocations: 0 / 0.7642 GB, free: 2.375 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 4.749e-06/0.006676, allocations: 4.938 kB / 0.7642 GB, free: 2.371 MB / 0.7136 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 37 * Number of variables: 37 Notification: Performance of Generate backend data structure: time 0.0006173/0.007294, allocations: 340.5 kB / 0.7645 GB, free: 2.012 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 3.485e-05/0.007328, allocations: 12.95 kB / 0.7645 GB, free: 2 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003091/0.007637, allocations: 61.58 kB / 0.7646 GB, free: 1.941 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001987/0.007836, allocations: 154.3 kB / 0.7647 GB, free: 1.766 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.523e-05/0.007851, allocations: 8.656 kB / 0.7647 GB, free: 1.758 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 1.951e-05/0.007871, allocations: 17 kB / 0.7647 GB, free: 1.742 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002004/0.008071, allocations: 186.2 kB / 0.7649 GB, free: 1.535 MB / 0.7136 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.757e-06/0.00808, allocations: 4.188 kB / 0.7649 GB, free: 1.531 MB / 0.7136 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.291e-05/0.008093, allocations: 4.375 kB / 0.7649 GB, free: 1.527 MB / 0.7136 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.752e-05/0.008121, allocations: 20.2 kB / 0.7649 GB, free: 1.508 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 6.601e-05/0.008187, allocations: 40.77 kB / 0.765 GB, free: 1.469 MB / 0.7136 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006137/0.0088, allocations: 0.7197 MB / 0.7657 GB, free: 0.7109 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 5.368e-05/0.008854, allocations: 30.5 kB / 0.7657 GB, free: 0.6719 MB / 0.7136 GB Notification: Performance of preOpt resolveLoops (simulation): time 1.732e-05/0.008871, allocations: 8.859 kB / 0.7657 GB, free: 0.6602 MB / 0.7136 GB Notification: Performance of preOpt evalFunc (simulation): time 1.383e-05/0.008885, allocations: 8.078 kB / 0.7657 GB, free: 0.6523 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.013e-05/0.008905, allocations: 30.56 kB / 0.7658 GB, free: 0.6133 MB / 0.7136 GB Notification: Performance of pre-optimization done (n=4): time 1.984e-06/0.008907, allocations: 0 / 0.7658 GB, free: 0.6133 MB / 0.7136 GB Notification: Performance of matching and sorting (n=4): time 0.000115/0.009022, allocations: 41.69 kB / 0.7658 GB, free: 0.5664 MB / 0.7136 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.549e-05/0.009048, allocations: 55.41 kB / 0.7658 GB, free: 0.5 MB / 0.7136 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 8.374e-05/0.009132, allocations: 150.8 kB / 0.766 GB, free: 352 kB / 0.7136 GB Notification: Performance of collectPreVariables (initialization): time 1.058e-05/0.009142, allocations: 29.7 kB / 0.766 GB, free: 316 kB / 0.7136 GB Notification: Performance of collectInitialEqns (initialization): time 6.106e-05/0.009203, allocations: 151.5 kB / 0.7662 GB, free: 160 kB / 0.7136 GB Notification: Performance of collectInitialBindings (initialization): time 9.978e-06/0.009213, allocations: 15.89 kB / 0.7662 GB, free: 144 kB / 0.7136 GB Notification: Performance of simplifyInitialFunctions (initialization): time 3.761e-05/0.009251, allocations: 29.7 kB / 0.7662 GB, free: 108 kB / 0.7136 GB Notification: Performance of setup shared object (initialization): time 9.892e-05/0.00935, allocations: 326.8 kB / 0.7665 GB, free: 15.78 MB / 0.7292 GB Notification: Performance of preBalanceInitialSystem (initialization): time 2.025e-05/0.00937, allocations: 8.859 kB / 0.7665 GB, free: 15.77 MB / 0.7292 GB Notification: Performance of partitionIndependentBlocks (initialization): time 5.152e-05/0.009421, allocations: 82.02 kB / 0.7666 GB, free: 15.65 MB / 0.7292 GB Notification: Performance of analyzeInitialSystem (initialization): time 8.82e-05/0.00951, allocations: 108.7 kB / 0.7667 GB, free: 15.52 MB / 0.7292 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.294e-06/0.009512, allocations: 0 / 0.7667 GB, free: 15.52 MB / 0.7292 GB Notification: Performance of matching and sorting (n=14) (initialization): time 0.0001187/0.009631, allocations: 100.2 kB / 0.7668 GB, free: 15.41 MB / 0.7292 GB Notification: Performance of prepare postOptimizeDAE: time 1.271e-05/0.009643, allocations: 4 kB / 0.7668 GB, free: 15.41 MB / 0.7292 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.913e-06/0.00965, allocations: 4 kB / 0.7668 GB, free: 15.41 MB / 0.7292 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.292e-05/0.009663, allocations: 4 kB / 0.7668 GB, free: 15.4 MB / 0.7292 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 7.992e-05/0.009743, allocations: 27.92 kB / 0.7668 GB, free: 15.38 MB / 0.7292 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.591e-06/0.009749, allocations: 5.094 kB / 0.7668 GB, free: 15.37 MB / 0.7292 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 4.257e-05/0.009791, allocations: 19.84 kB / 0.7669 GB, free: 15.35 MB / 0.7292 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.454e-06/0.009799, allocations: 4 kB / 0.7669 GB, free: 15.35 MB / 0.7292 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 4.9e-05/0.009848, allocations: 104.2 kB / 0.767 GB, free: 15.24 MB / 0.7292 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 4.609e-05/0.009894, allocations: 77.39 kB / 0.767 GB, free: 15.13 MB / 0.7292 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 7.256e-05/0.009966, allocations: 100.6 kB / 0.7671 GB, free: 15 MB / 0.7292 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.12e-07/0.009967, allocations: 0 / 0.7671 GB, free: 15 MB / 0.7292 GB Notification: Performance of matching and sorting (n=14) (initialization_lambda0): time 9.802e-05/0.01007, allocations: 103.6 kB / 0.7672 GB, free: 14.9 MB / 0.7292 GB Notification: Performance of prepare postOptimizeDAE: time 7.314e-06/0.01007, allocations: 4.594 kB / 0.7672 GB, free: 14.89 MB / 0.7292 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.286e-06/0.01008, allocations: 4.688 kB / 0.7672 GB, free: 14.89 MB / 0.7292 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.168e-06/0.01008, allocations: 4 kB / 0.7673 GB, free: 14.89 MB / 0.7292 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 5.649e-05/0.01014, allocations: 29.42 kB / 0.7673 GB, free: 14.86 MB / 0.7292 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.326e-06/0.01014, allocations: 4 kB / 0.7673 GB, free: 14.86 MB / 0.7292 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 3.343e-05/0.01017, allocations: 7.938 kB / 0.7673 GB, free: 14.85 MB / 0.7292 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.16e-06/0.01018, allocations: 11.94 kB / 0.7673 GB, free: 14.84 MB / 0.7292 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * 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 (14): * Single equations (assignments): 14 * 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 7.912e-05/0.01026, allocations: 189.3 kB / 0.7675 GB, free: 14.64 MB / 0.7292 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.721e-05/0.01027, allocations: 7.984 kB / 0.7675 GB, free: 14.64 MB / 0.7292 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 2.241e-05/0.0103, allocations: 9.406 kB / 0.7675 GB, free: 14.63 MB / 0.7292 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.186e-06/0.0103, allocations: 4 kB / 0.7675 GB, free: 14.62 MB / 0.7292 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.863e-06/0.0103, allocations: 0 / 0.7675 GB, free: 14.62 MB / 0.7292 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.276e-06/0.01031, allocations: 1.219 kB / 0.7675 GB, free: 14.62 MB / 0.7292 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002704/0.01058, allocations: 433.3 kB / 0.7679 GB, free: 14.16 MB / 0.7292 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.264e-06/0.01058, allocations: 288 / 0.7679 GB, free: 14.16 MB / 0.7292 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 2.288e-05/0.0106, allocations: 11.98 kB / 0.7679 GB, free: 14.15 MB / 0.7292 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.304e-06/0.0106, allocations: 0.9062 kB / 0.7679 GB, free: 14.15 MB / 0.7292 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.689e-06/0.01061, allocations: 0 / 0.7679 GB, free: 14.15 MB / 0.7292 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.435e-06/0.01061, allocations: 6.844 kB / 0.7679 GB, free: 14.14 MB / 0.7292 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.395e-06/0.01061, allocations: 3.938 kB / 0.7679 GB, free: 14.14 MB / 0.7292 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 7.443e-05/0.01069, allocations: 100.1 kB / 0.768 GB, free: 14.01 MB / 0.7292 GB Notification: Performance of postOpt removeConstants (simulation): time 2.311e-05/0.01071, allocations: 15.88 kB / 0.7681 GB, free: 14 MB / 0.7292 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.21e-05/0.01072, allocations: 4 kB / 0.7681 GB, free: 13.99 MB / 0.7292 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 1.715e-05/0.01074, allocations: 4 kB / 0.7681 GB, free: 13.99 MB / 0.7292 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 1.533e-05/0.01075, allocations: 7.938 kB / 0.7681 GB, free: 13.98 MB / 0.7292 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.134e-06/0.01076, allocations: 3.594 kB / 0.7681 GB, free: 13.98 MB / 0.7292 GB Notification: Performance of sorting global known variables: time 2.941e-05/0.01079, allocations: 35.06 kB / 0.7681 GB, free: 13.95 MB / 0.7292 GB Notification: Performance of sort global known variables: time 5e-08/0.01079, allocations: 0 / 0.7681 GB, free: 13.95 MB / 0.7292 GB Notification: Performance of remove unused functions: time 0.0001881/0.01097, allocations: 55.84 kB / 0.7682 GB, free: 13.89 MB / 0.7292 GB Notification: Model statistics after passing the back-end for simulation: * 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 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 9.69e-05/0.01107, allocations: 80.41 kB / 0.7682 GB, free: 13.8 MB / 0.7292 GB Notification: Performance of simCode: created initialization part: time 0.0001214/0.01119, allocations: 88.86 kB / 0.7683 GB, free: 13.71 MB / 0.7292 GB Notification: Performance of simCode: created event and clocks part: time 5.27e-06/0.0112, allocations: 4 kB / 0.7683 GB, free: 13.71 MB / 0.7292 GB Notification: Performance of simCode: created simulation system equations: time 1.366e-05/0.01121, allocations: 16.8 kB / 0.7683 GB, free: 13.69 MB / 0.7292 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001527/0.01136, allocations: 29.5 kB / 0.7684 GB, free: 13.67 MB / 0.7292 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0005775/0.01194, allocations: 287.3 kB / 0.7686 GB, free: 13.34 MB / 0.7292 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 4.466e-05/0.01199, allocations: 71.83 kB / 0.7687 GB, free: 13.25 MB / 0.7292 GB Notification: Performance of simCode: alias equations: time 5.146e-05/0.01204, allocations: 11.42 kB / 0.7687 GB, free: 13.24 MB / 0.7292 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 5.895e-05/0.0121, allocations: 59.38 kB / 0.7688 GB, free: 13.18 MB / 0.7292 GB Notification: Performance of SimCode: time 8.42e-07/0.0121, allocations: 0 / 0.7688 GB, free: 13.18 MB / 0.7292 GB Notification: Performance of Templates: time 0.002794/0.01489, allocations: 0.8715 MB / 0.7696 GB, free: 12.36 MB / 0.7292 GB " [Timeout remaining time 300] make -j1 -f Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor.pipe ; mkfifo Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor.pipe ; head -c 1048576 < Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor.pipe >> ../files/Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor.sim & ./Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor -abortSlowSimulation -alarm=240 -s gbode -gbm=radauIIA3 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor.pipe 2>&1) [Timeout 240] diffSimulationResults("Buildings_12_Buildings.Electrical.DC.Sensors.Examples.GeneralizedSensor_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Electrical_DC_Sensors_Examples_GeneralizedSensor.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 4.9360761609859765]