Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances.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 0.001019/0.001019, allocations: 88.23 kB / 19.42 MB, free: 492 kB / 13.93 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 0.001267/0.001267, allocations: 169 kB / 22.72 MB, free: 1.824 MB / 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 1.013/1.013, allocations: 177.1 MB / 203.1 MB, free: 5.352 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:108:writable] Warning: Lexer treating \\ as \\\\, since \\e is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Examples/PPD12/Structure.mo:531:21-545:116:writable] Warning: Lexer treating \\ as \\\\, since \\< is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.order:0:0-0:0:readonly] Warning: Found duplicate names in package.order file: A, B, C. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Media/Refrigerants/R410A/package.mo:2:1-70:10:writable] Warning: C was referenced in the package.order file, but was not found in package.mo, C/package.mo or C.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/package.mo): time 0.8224/0.8224, allocations: 154.6 MB / 414.1 MB, free: 0.6406 MB / 378.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/Cryptographics/BaseClasses/sha.mo:2:1-19:8:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/Utilities/File/sha2.mo:2:1-9:9:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 179] Using package IDEAS with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 4.0.0/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(IDEAS.Fluid.Sensors.Examples.TraceSubstances,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances") translateModel(IDEAS.Fluid.Sensors.Examples.TraceSubstances,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.643e-06/1.643e-06, allocations: 0 / 0.5196 GB, free: 2.504 MB / 490.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.633e-05/2.797e-05, allocations: 5.891 kB / 0.5196 GB, free: 2.5 MB / 490.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Sensors.Examples.TraceSubstances): time 0.1354/0.1354, allocations: 151.9 MB / 0.668 GB, free: 10.2 MB / 0.6355 GB Notification: Performance of NFInst.instExpressions: time 0.00591/0.1414, allocations: 4.128 MB / 0.672 GB, free: 6.066 MB / 0.6355 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007741/0.1421, allocations: 51.56 kB / 0.6721 GB, free: 6.016 MB / 0.6355 GB Notification: Performance of NFTyping.typeComponents: time 0.0008225/0.143, allocations: 285.9 kB / 0.6724 GB, free: 5.734 MB / 0.6355 GB Notification: Performance of NFTyping.typeBindings: time 0.002566/0.1455, allocations: 1.274 MB / 0.6736 GB, free: 4.453 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.001487/0.147, allocations: 0.8221 MB / 0.6744 GB, free: 3.629 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.0024/0.1494, allocations: 2.579 MB / 0.6769 GB, free: 1.047 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008835/0.1503, allocations: 0.8305 MB / 0.6777 GB, free: 200 kB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.3046/0.4548, allocations: 1.558 MB / 0.6793 GB, free: 48.82 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001359/0.4562, allocations: 0.8235 MB / 0.6801 GB, free: 48.82 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0002573/0.4565, allocations: 104.9 kB / 0.6802 GB, free: 48.82 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0009336/0.4574, allocations: 430.3 kB / 0.6806 GB, free: 48.82 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0004125/0.4578, allocations: 0.542 MB / 0.6811 GB, free: 48.82 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.0005885/0.4584, allocations: 455 kB / 0.6815 GB, free: 48.82 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.001666/0.4601, allocations: 1.215 MB / 0.6827 GB, free: 48.78 MB / 0.6355 GB Notification: Performance of FrontEnd - DAE generated: time 6.262e-06/0.4601, allocations: 3.422 kB / 0.6827 GB, free: 48.78 MB / 0.6355 GB Notification: Performance of FrontEnd: time 1.543e-06/0.4601, allocations: 1.625 kB / 0.6827 GB, free: 48.78 MB / 0.6355 GB Notification: Performance of Transformations before backend: time 4.077e-05/0.4601, allocations: 0 / 0.6827 GB, free: 48.78 MB / 0.6355 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 226 * Number of variables: 226 Notification: Performance of Generate backend data structure: time 0.001625/0.4617, allocations: 1.478 MB / 0.6842 GB, free: 47.98 MB / 0.6355 GB Notification: Performance of prepare preOptimizeDAE: time 3.935e-05/0.4618, allocations: 10.19 kB / 0.6842 GB, free: 47.98 MB / 0.6355 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008492/0.4626, allocations: 340.4 kB / 0.6845 GB, free: 47.9 MB / 0.6355 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008638/0.4635, allocations: 0.7254 MB / 0.6852 GB, free: 47.62 MB / 0.6355 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.832e-05/0.4635, allocations: 71.44 kB / 0.6853 GB, free: 47.62 MB / 0.6355 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.972e-05/0.4636, allocations: 99.53 kB / 0.6854 GB, free: 47.62 MB / 0.6355 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009195/0.4645, allocations: 0.9637 MB / 0.6863 GB, free: 47.15 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.445e-05/0.4646, allocations: 3.094 kB / 0.6863 GB, free: 47.15 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.585e-05/0.4646, allocations: 43.97 kB / 0.6864 GB, free: 47.15 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.329e-05/0.4647, allocations: 31.25 kB / 0.6864 GB, free: 47.15 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005928/0.4653, allocations: 375 kB / 0.6867 GB, free: 47.14 MB / 0.6355 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002816/0.4681, allocations: 4.697 MB / 0.6913 GB, free: 44.07 MB / 0.6355 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004154/0.4685, allocations: 279.9 kB / 0.6916 GB, free: 44.04 MB / 0.6355 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001605/0.4687, allocations: 137.5 kB / 0.6917 GB, free: 44.02 MB / 0.6355 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000222/0.4689, allocations: 61.08 kB / 0.6918 GB, free: 44.02 MB / 0.6355 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.299e-05/0.4689, allocations: 42.34 kB / 0.6918 GB, free: 43.98 MB / 0.6355 GB Notification: Performance of pre-optimization done (n=49): time 5.06e-06/0.4689, allocations: 0.6562 kB / 0.6918 GB, free: 43.98 MB / 0.6355 GB Notification: Performance of matching and sorting (n=49): time 0.0007519/0.4697, allocations: 466.9 kB / 0.6923 GB, free: 43.89 MB / 0.6355 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.369e-05/0.4697, allocations: 57.91 kB / 0.6923 GB, free: 43.82 MB / 0.6355 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004633/0.4701, allocations: 0.6625 MB / 0.693 GB, free: 43.62 MB / 0.6355 GB Notification: Performance of collectPreVariables (initialization): time 3.121e-05/0.4702, allocations: 39.14 kB / 0.693 GB, free: 43.59 MB / 0.6355 GB Notification: Performance of collectInitialEqns (initialization): time 0.000206/0.4704, allocations: 0.5742 MB / 0.6936 GB, free: 43.27 MB / 0.6355 GB Notification: Performance of collectInitialBindings (initialization): time 8.267e-05/0.4705, allocations: 187.4 kB / 0.6938 GB, free: 43.15 MB / 0.6355 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000131/0.4706, allocations: 151 kB / 0.6939 GB, free: 43.12 MB / 0.6355 GB Notification: Performance of setup shared object (initialization): time 9.906e-05/0.4707, allocations: 0.5629 MB / 0.6944 GB, free: 42.62 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001315/0.4708, allocations: 91.88 kB / 0.6945 GB, free: 42.62 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003098/0.4711, allocations: 0.7953 MB / 0.6953 GB, free: 41.76 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000465/0.4716, allocations: 0.5943 MB / 0.6959 GB, free: 41.34 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.42e-06/0.4716, allocations: 3.875 kB / 0.6959 GB, free: 41.34 MB / 0.6355 GB Notification: Performance of matching and sorting (n=86) (initialization): time 0.0006213/0.4722, allocations: 0.5761 MB / 0.6965 GB, free: 41.25 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 1.977e-05/0.4722, allocations: 12.31 kB / 0.6965 GB, free: 41.24 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.528e-06/0.4723, allocations: 9.312 kB / 0.6965 GB, free: 41.24 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.374e-05/0.4723, allocations: 13.84 kB / 0.6965 GB, free: 41.24 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003078/0.4726, allocations: 153.5 kB / 0.6966 GB, free: 41.24 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.413e-05/0.4726, allocations: 19.38 kB / 0.6967 GB, free: 41.24 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003643/0.473, allocations: 69.08 kB / 0.6967 GB, free: 41.21 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.255e-05/0.473, allocations: 39 kB / 0.6968 GB, free: 41.21 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 36 * 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 (86): * Single equations (assignments): 86 * 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 0.0001734/0.4732, allocations: 206.7 kB / 0.697 GB, free: 41.04 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.309e-05/0.4733, allocations: 96.61 kB / 0.697 GB, free: 41 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004427/0.4737, allocations: 387.8 kB / 0.6974 GB, free: 40.93 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.939e-06/0.4737, allocations: 6.281 kB / 0.6974 GB, free: 40.93 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.547e-06/0.4737, allocations: 0 / 0.6974 GB, free: 40.93 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0002785/0.474, allocations: 287.8 kB / 0.6977 GB, free: 40.86 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001203/0.4752, allocations: 1.213 MB / 0.6989 GB, free: 40.47 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.787e-06/0.4752, allocations: 3 kB / 0.6989 GB, free: 40.47 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002968/0.4755, allocations: 109.8 kB / 0.699 GB, free: 40.47 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.664e-06/0.4755, allocations: 3.031 kB / 0.699 GB, free: 40.47 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.206e-05/0.4755, allocations: 17.25 kB / 0.699 GB, free: 40.47 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.362e-06/0.4755, allocations: 5.625 kB / 0.699 GB, free: 40.47 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.486e-06/0.4755, allocations: 4.062 kB / 0.699 GB, free: 40.47 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005882/0.4761, allocations: 0.6666 MB / 0.6997 GB, free: 40.14 MB / 0.6355 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001692/0.4763, allocations: 140.4 kB / 0.6998 GB, free: 40.09 MB / 0.6355 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 5.274e-05/0.4764, allocations: 11.88 kB / 0.6998 GB, free: 40.09 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000199/0.4766, allocations: 13.31 kB / 0.6998 GB, free: 40.09 MB / 0.6355 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 4.782e-05/0.4766, allocations: 41.44 kB / 0.6999 GB, free: 40.09 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.149e-05/0.4766, allocations: 20.41 kB / 0.6999 GB, free: 40.09 MB / 0.6355 GB Notification: Performance of sorting global known variables: time 0.0002685/0.4769, allocations: 409.7 kB / 0.7003 GB, free: 39.95 MB / 0.6355 GB Notification: Performance of sort global known variables: time 1.8e-07/0.4769, allocations: 0.5 kB / 0.7003 GB, free: 39.95 MB / 0.6355 GB Notification: Performance of remove unused functions: time 0.000664/0.4776, allocations: 307.4 kB / 0.7006 GB, free: 39.91 MB / 0.6355 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 4 (vol.dynBal.medium.Xi[1],vol.dynBal.U,vol.dynBal.m,vol.dynBal.mC[1]) * 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 (49): * Single equations (assignments): 49 * 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 0.0004118/0.478, allocations: 177.9 kB / 0.7007 GB, free: 39.81 MB / 0.6355 GB Notification: Performance of simCode: created initialization part: time 0.000481/0.4784, allocations: 361.3 kB / 0.7011 GB, free: 39.79 MB / 0.6355 GB Notification: Performance of simCode: created event and clocks part: time 2.515e-06/0.4785, allocations: 0.6875 kB / 0.7011 GB, free: 39.79 MB / 0.6355 GB Notification: Performance of simCode: created simulation system equations: time 0.0001555/0.4786, allocations: 163.6 kB / 0.7012 GB, free: 39.77 MB / 0.6355 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009415/0.4795, allocations: 390.9 kB / 0.7016 GB, free: 39.74 MB / 0.6355 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002118/0.4817, allocations: 1.66 MB / 0.7032 GB, free: 38.94 MB / 0.6355 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001505/0.4818, allocations: 248.7 kB / 0.7035 GB, free: 38.87 MB / 0.6355 GB Notification: Performance of simCode: alias equations: time 0.000473/0.4823, allocations: 217.9 kB / 0.7037 GB, free: 38.84 MB / 0.6355 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001157/0.4824, allocations: 72.56 kB / 0.7038 GB, free: 38.83 MB / 0.6355 GB Notification: Performance of SimCode: time 1.352e-06/0.4824, allocations: 1.125 kB / 0.7038 GB, free: 38.83 MB / 0.6355 GB Notification: Performance of Templates: time 0.02182/0.5042, allocations: 14.05 MB / 0.7175 GB, free: 37.54 MB / 0.6355 GB " [Timeout remaining time 659] make -j1 -f IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances.makefile [Timeout 660] (rm -f IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances.pipe ; mkfifo IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances.pipe >> ../files/IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances.sim & (cd run_cvode && ../IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances -abortSlowSimulation -alarm=240 -lv LOG_STATS -f=../IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances_init.xml -s cvode) > IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances.pipe 2>&1) [Timeout 240] cvode failed or timed out simulating it; the others still get to run it (rm -f IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances_gbode.pipe ; mkfifo IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances_gbode.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances_gbode.pipe >> /var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances_gbode.sim & (cd run_gbode && ../IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances -abortSlowSimulation -alarm=240 -lv LOG_STATS -f=../IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances_init.xml -s gbode -gbm=radauIIA3) > IDEAS_IDEAS.Fluid.Sensors.Examples.TraceSubstances_gbode.pipe 2>&1) [Timeout 240] gbode timed out simulating the model [Calling sys.exit(0), Time elapsed: 4.6312123578973114]