Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001997/0.001997, allocations: 108.8 kB / 18.93 MB, free: 2.945 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002426/0.002426, allocations: 191 kB / 22.23 MB, free: 5.156 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.578/1.578, allocations: 225.6 MB / 251 MB, free: 13 MB / 206.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo): time 3.427/3.427, allocations: 496 MB / 0.7835 GB, free: 33.6 MB / 0.6231 GB " [Timeout remaining time 176] Using package Buildings with version 12.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.1-maint.12.x/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|uacp.UAcp|uacp.bypass_nominal",fileNamePrefix="Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp") translateModel(Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp,tolerance=1e-06,outputFormat="mat",numberOfIntervals=2500,variableFilter="time|uacp.UAcp|uacp.bypass_nominal",fileNamePrefix="Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 0.002019/0.002019, allocations: 63.89 kB / 1.138 GB, free: 33.87 MB / 0.9044 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4626/0.4646, allocations: 173.6 MB / 1.307 GB, free: 1.75 MB / 0.9981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp): time 0.005656/0.4703, allocations: 1.718 MB / 1.309 GB, free: 20 kB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.2069/0.6772, allocations: 148.9 MB / 1.454 GB, free: 10.52 MB / 1.154 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001153/0.6773, allocations: 0 / 1.454 GB, free: 10.52 MB / 1.154 GB Notification: Performance of NFTyping.typeComponents: time 0.0002968/0.6776, allocations: 47.67 kB / 1.454 GB, free: 10.48 MB / 1.154 GB Notification: Performance of NFTyping.typeBindings: time 0.001442/0.6791, allocations: 450 kB / 1.455 GB, free: 10.04 MB / 1.154 GB Notification: Performance of NFTyping.typeClassSections: time 0.0001627/0.6792, allocations: 67.86 kB / 1.455 GB, free: 9.969 MB / 1.154 GB Notification: Performance of NFFlatten.flatten: time 0.0002551/0.6795, allocations: 143.3 kB / 1.455 GB, free: 9.828 MB / 1.154 GB Notification: Performance of NFFlatten.resolveConnections: time 4.99e-05/0.6795, allocations: 5.594 kB / 1.455 GB, free: 9.82 MB / 1.154 GB Notification: Performance of NFEvalConstants.evaluate: time 8.869e-05/0.6796, allocations: 63.77 kB / 1.455 GB, free: 9.758 MB / 1.154 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0002006/0.6798, allocations: 67.73 kB / 1.455 GB, free: 9.691 MB / 1.154 GB Notification: Performance of NFPackage.collectConstants: time 2.341e-05/0.6799, allocations: 12 kB / 1.455 GB, free: 9.68 MB / 1.154 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00101/0.6809, allocations: 0.5301 MB / 1.456 GB, free: 9.148 MB / 1.154 GB Notification: Performance of NFScalarize.scalarize: time 2.867e-05/0.6809, allocations: 19.91 kB / 1.456 GB, free: 9.129 MB / 1.154 GB Notification: Performance of NFVerifyModel.verify: time 8.075e-05/0.681, allocations: 59.72 kB / 1.456 GB, free: 9.07 MB / 1.154 GB Notification: Performance of NFConvertDAE.convert: time 0.0006159/0.6816, allocations: 374.9 kB / 1.456 GB, free: 8.703 MB / 1.154 GB Notification: Performance of FrontEnd - DAE generated: time 4.989e-06/0.6816, allocations: 0 / 1.456 GB, free: 8.703 MB / 1.154 GB Notification: Performance of FrontEnd: time 1.573e-06/0.6816, allocations: 0 / 1.456 GB, free: 8.703 MB / 1.154 GB Notification: Performance of Transformations before backend: time 6.532e-06/0.6816, allocations: 0 / 1.456 GB, free: 8.703 MB / 1.154 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 0.0008106/0.6824, allocations: 417 kB / 1.457 GB, free: 8.266 MB / 1.154 GB Notification: Performance of prepare preOptimizeDAE: time 4.203e-05/0.6825, allocations: 8.031 kB / 1.457 GB, free: 8.258 MB / 1.154 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001268/0.6837, allocations: 184 kB / 1.457 GB, free: 8.078 MB / 1.154 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0003739/0.6841, allocations: 251 kB / 1.457 GB, free: 7.809 MB / 1.154 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.261e-05/0.6842, allocations: 162.5 kB / 1.457 GB, free: 7.648 MB / 1.154 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.816e-05/0.6843, allocations: 150.6 kB / 1.457 GB, free: 7.5 MB / 1.154 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001/0.6844, allocations: 104.9 kB / 1.457 GB, free: 7.391 MB / 1.154 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.813e-05/0.6844, allocations: 79.28 kB / 1.457 GB, free: 7.312 MB / 1.154 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.703e-05/0.6845, allocations: 150.6 kB / 1.458 GB, free: 7.164 MB / 1.154 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.807e-05/0.6846, allocations: 154.6 kB / 1.458 GB, free: 7.012 MB / 1.154 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 8.596e-05/0.6847, allocations: 154.5 kB / 1.458 GB, free: 6.859 MB / 1.154 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0004783/0.6851, allocations: 488.9 kB / 1.458 GB, free: 6.34 MB / 1.154 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0001256/0.6853, allocations: 173.1 kB / 1.459 GB, free: 6.16 MB / 1.154 GB Notification: Performance of preOpt resolveLoops (simulation): time 5.12e-05/0.6853, allocations: 88.12 kB / 1.459 GB, free: 6.07 MB / 1.154 GB Notification: Performance of preOpt evalFunc (simulation): time 3.607e-05/0.6854, allocations: 75.28 kB / 1.459 GB, free: 5.996 MB / 1.154 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.754e-05/0.6854, allocations: 109.8 kB / 1.459 GB, free: 5.879 MB / 1.154 GB Notification: Performance of pre-optimization done (n=0): time 1.012e-06/0.6854, allocations: 3.938 kB / 1.459 GB, free: 5.875 MB / 1.154 GB Notification: Performance of matching and sorting (n=0): time 0.0003275/0.6858, allocations: 65.62 kB / 1.459 GB, free: 5.805 MB / 1.154 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.517e-05/0.6858, allocations: 134.6 kB / 1.459 GB, free: 5.66 MB / 1.154 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0003535/0.6862, allocations: 219.7 kB / 1.459 GB, free: 5.438 MB / 1.154 GB Notification: Performance of collectPreVariables (initialization): time 2.721e-05/0.6862, allocations: 29.7 kB / 1.459 GB, free: 5.402 MB / 1.154 GB Notification: Performance of collectInitialEqns (initialization): time 8.148e-05/0.6863, allocations: 100.1 kB / 1.459 GB, free: 5.301 MB / 1.154 GB Notification: Performance of collectInitialBindings (initialization): time 3.016e-06/0.6863, allocations: 3.938 kB / 1.459 GB, free: 5.297 MB / 1.154 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.973e-05/0.6864, allocations: 29.7 kB / 1.459 GB, free: 5.262 MB / 1.154 GB Notification: Performance of setup shared object (initialization): time 0.0001931/0.6865, allocations: 326.8 kB / 1.46 GB, free: 4.934 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization): time 5.081e-05/0.6866, allocations: 16.86 kB / 1.46 GB, free: 4.914 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization): time 5.105e-05/0.6867, allocations: 16 kB / 1.46 GB, free: 4.898 MB / 1.154 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000105/0.6868, allocations: 32.78 kB / 1.46 GB, free: 4.863 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.445e-06/0.6868, allocations: 0 / 1.46 GB, free: 4.863 MB / 1.154 GB Notification: Performance of matching and sorting (n=6) (initialization): time 0.0008076/0.6876, allocations: 142.3 kB / 1.46 GB, free: 4.715 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 2.02e-05/0.6876, allocations: 8 kB / 1.46 GB, free: 4.707 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.981e-06/0.6876, allocations: 0 / 1.46 GB, free: 4.707 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008928/0.6885, allocations: 148.6 kB / 1.46 GB, free: 4.559 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 7.465e-05/0.6886, allocations: 4 kB / 1.46 GB, free: 4.555 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002362/0.6909, allocations: 1.505 MB / 1.461 GB, free: 2.934 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001805/0.6911, allocations: 11.92 kB / 1.462 GB, free: 2.922 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.756e-06/0.6911, allocations: 0 / 1.462 GB, free: 2.922 MB / 1.154 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001097/0.6912, allocations: 108.1 kB / 1.462 GB, free: 2.812 MB / 1.154 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 3.182e-05/0.6913, allocations: 12 kB / 1.462 GB, free: 2.801 MB / 1.154 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 5.447e-05/0.6913, allocations: 28.86 kB / 1.462 GB, free: 2.77 MB / 1.154 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.61e-07/0.6913, allocations: 0 / 1.462 GB, free: 2.77 MB / 1.154 GB Notification: Performance of matching and sorting (n=6) (initialization_lambda0): time 0.0002759/0.6916, allocations: 110.3 kB / 1.462 GB, free: 2.652 MB / 1.154 GB Notification: Performance of prepare postOptimizeDAE: time 1.093e-05/0.6916, allocations: 4.938 kB / 1.462 GB, free: 2.648 MB / 1.154 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.553e-06/0.6916, allocations: 0 / 1.462 GB, free: 2.648 MB / 1.154 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003664/0.692, allocations: 108.7 kB / 1.462 GB, free: 2.539 MB / 1.154 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 4.413e-05/0.692, allocations: 11.98 kB / 1.462 GB, free: 2.527 MB / 1.154 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001403/0.6934, allocations: 1.362 MB / 1.463 GB, free: 1.051 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001459/0.6936, allocations: 4.125 kB / 1.463 GB, free: 1.047 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.047e-05/0.6936, allocations: 8.031 kB / 1.463 GB, free: 1.039 MB / 1.154 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): 3 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0001895/0.6938, allocations: 255.5 kB / 1.463 GB, free: 0.7812 MB / 1.154 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.81e-05/0.6939, allocations: 116.9 kB / 1.464 GB, free: 0.6602 MB / 1.154 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 8.486e-05/0.6939, allocations: 121.4 kB / 1.464 GB, free: 0.5312 MB / 1.154 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.283e-05/0.694, allocations: 184.3 kB / 1.464 GB, free: 352 kB / 1.154 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 0.0001231/0.6942, allocations: 184.2 kB / 1.464 GB, free: 160 kB / 1.154 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001097/0.6943, allocations: 176.3 kB / 1.464 GB, free: 15.98 MB / 1.17 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0003492/0.6946, allocations: 416.2 kB / 1.465 GB, free: 15.52 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.703e-05/0.6947, allocations: 112.8 kB / 1.465 GB, free: 15.4 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 6.605e-05/0.6947, allocations: 105.1 kB / 1.465 GB, free: 15.29 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.072e-05/0.6948, allocations: 180.2 kB / 1.465 GB, free: 15.11 MB / 1.17 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001019/0.6949, allocations: 188.2 kB / 1.465 GB, free: 14.92 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0001025/0.695, allocations: 180.3 kB / 1.465 GB, free: 14.73 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.882e-05/0.6951, allocations: 184.2 kB / 1.466 GB, free: 14.55 MB / 1.17 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002149/0.6953, allocations: 315.7 kB / 1.466 GB, free: 14.21 MB / 1.17 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001309/0.6955, allocations: 124.9 kB / 1.466 GB, free: 14.09 MB / 1.17 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00011/0.6956, allocations: 180.2 kB / 1.466 GB, free: 13.9 MB / 1.17 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002155/0.6958, allocations: 112.9 kB / 1.466 GB, free: 13.79 MB / 1.17 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001249/0.6959, allocations: 176.3 kB / 1.466 GB, free: 13.61 MB / 1.17 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.095e-05/0.696, allocations: 112.9 kB / 1.466 GB, free: 13.49 MB / 1.17 GB Notification: Performance of sorting global known variables: time 0.0002393/0.6962, allocations: 161.2 kB / 1.467 GB, free: 13.33 MB / 1.17 GB Notification: Performance of sort global known variables: time 7e-08/0.6962, allocations: 0 / 1.467 GB, free: 13.33 MB / 1.17 GB Notification: Performance of remove unused functions: time 0.0004899/0.6967, allocations: 71.88 kB / 1.467 GB, free: 13.26 MB / 1.17 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 0.0003482/0.6971, allocations: 207.2 kB / 1.467 GB, free: 13.05 MB / 1.17 GB Notification: Performance of simCode: created initialization part: time 0.0006392/0.6977, allocations: 293.3 kB / 1.467 GB, free: 12.74 MB / 1.17 GB Notification: Performance of simCode: created event and clocks part: time 2.815e-06/0.6977, allocations: 0 / 1.467 GB, free: 12.74 MB / 1.17 GB Notification: Performance of simCode: created simulation system equations: time 5.561e-06/0.6977, allocations: 3.938 kB / 1.467 GB, free: 12.73 MB / 1.17 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005848/0.6983, allocations: 483.6 kB / 1.468 GB, free: 12.26 MB / 1.17 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0005112/0.6988, allocations: 310.2 kB / 1.468 GB, free: 11.93 MB / 1.17 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003877/0.6992, allocations: 0.6928 MB / 1.469 GB, free: 11.21 MB / 1.17 GB Notification: Performance of simCode: alias equations: time 7.877e-05/0.6993, allocations: 20.42 kB / 1.469 GB, free: 11.19 MB / 1.17 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 3.789e-05/0.6993, allocations: 11.44 kB / 1.469 GB, free: 11.18 MB / 1.17 GB Notification: Performance of SimCode: time 3e-07/0.6993, allocations: 0 / 1.469 GB, free: 11.18 MB / 1.17 GB Notification: Performance of Templates: time 0.007683/0.707, allocations: 3.085 MB / 1.472 GB, free: 8.141 MB / 1.17 GB " [Timeout remaining time 299] make -j1 -f Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.makefile [Timeout 300] (rm -f Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.pipe ; mkfifo Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.pipe ; head -c 1048576 < Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.pipe >> ../files/Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.sim & ./Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp -abortSlowSimulation -alarm=400 -emit_protected -lv LOG_STATS > Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.pipe 2>&1) [Timeout 400] diffSimulationResults("Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp_res.mat","/mnt/ReferenceFiles/Buildings/csv/maint_12.x/Buildings_Fluid_DXSystems_Cooling_BaseClasses_Examples_UACp.csv","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/Buildings_12_Buildings.Fluid.DXSystems.Cooling.BaseClasses.Examples.UACp.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 10.317310311831534]