Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement.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 0.001853/0.001853, allocations: 85.48 kB / 19.44 MB, free: 344 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 0.002033/0.002033, allocations: 173.2 kB / 22.76 MB, free: 1.664 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 1.539/1.539, allocations: 177.1 MB / 203.1 MB, free: 5.59 MB / 186.7 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream main/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream main/package.mo): time 1.037/1.037, allocations: 118.6 MB / 378.2 MB, free: 1.469 MB / 346.7 MB " [Timeout remaining time 179] Using package ThermofluidStream with version 1.4.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermofluidStream main/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(ThermofluidStream.Processes.Tests.ConductionElement,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="Time|conductionElement.h|conductionElement1.deltaE_system|conductionElement1.h|conductionElement1.inlet.m_flow|conductionElement2.h|conductionElement2.inlet.m_flow|conductionElement3.deltaE_system|conductionElement3.h|conductionElement4.h|sink.inlet.m_flow|source1.outlet.m_flow|source2.outlet.m_flow",fileNamePrefix="ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement") translateModel(ThermofluidStream.Processes.Tests.ConductionElement,tolerance=1e-06,outputFormat="mat",numberOfIntervals=1000,variableFilter="Time|conductionElement.h|conductionElement1.deltaE_system|conductionElement1.h|conductionElement1.inlet.m_flow|conductionElement2.h|conductionElement2.inlet.m_flow|conductionElement3.deltaE_system|conductionElement3.h|conductionElement4.h|sink.inlet.m_flow|source1.outlet.m_flow|source2.outlet.m_flow",fileNamePrefix="ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.934e-06/1.934e-06, allocations: 0 / 482.9 MB, free: 8.246 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 2.772e-05/2.966e-05, allocations: 2.312 kB / 482.9 MB, free: 8.242 MB / 410.7 MB Notification: Performance of NFInst.instantiate(ThermofluidStream.Processes.Tests.ConductionElement): time 0.1133/0.1133, allocations: 85.04 MB / 0.5546 GB, free: 11.79 MB / 490.7 MB Notification: Performance of NFInst.instExpressions: time 0.01111/0.1244, allocations: 5.496 MB / 0.56 GB, free: 6.273 MB / 490.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.002028/0.1264, allocations: 123 kB / 0.5601 GB, free: 6.152 MB / 490.7 MB Notification: Performance of NFTyping.typeComponents: time 0.002357/0.1288, allocations: 0.6708 MB / 0.5607 GB, free: 5.477 MB / 490.7 MB Notification: Performance of NFTyping.typeBindings: time 0.009617/0.1384, allocations: 3.261 MB / 0.5639 GB, free: 2.199 MB / 490.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.004691/0.1431, allocations: 1.573 MB / 0.5655 GB, free: 0.6211 MB / 490.7 MB Notification: Performance of NFFlatten.flatten: time 0.004541/0.1476, allocations: 2.748 MB / 0.5682 GB, free: 13.86 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007647/0.1484, allocations: 335.9 kB / 0.5685 GB, free: 13.5 MB / 0.4948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00983/0.1582, allocations: 4.613 MB / 0.573 GB, free: 8.875 MB / 0.4948 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001665/0.1599, allocations: 0.7867 MB / 0.5737 GB, free: 8.086 MB / 0.4948 GB Notification: Performance of NFPackage.collectConstants: time 0.0004619/0.1604, allocations: 136 kB / 0.5739 GB, free: 7.953 MB / 0.4948 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01042/0.1708, allocations: 4.277 MB / 0.5781 GB, free: 3.668 MB / 0.4948 GB Notification: Performance of NFScalarize.scalarize: time 0.0009944/0.1718, allocations: 378.3 kB / 0.5784 GB, free: 3.297 MB / 0.4948 GB Notification: Performance of NFVerifyModel.verify: time 0.001512/0.1733, allocations: 0.5922 MB / 0.579 GB, free: 2.703 MB / 0.4948 GB Notification: Performance of NFConvertDAE.convert: time 0.00749/0.1808, allocations: 3.08 MB / 0.582 GB, free: 15.61 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 4.939e-06/0.1808, allocations: 0 / 0.582 GB, free: 15.61 MB / 0.5105 GB Notification: Performance of FrontEnd: time 1.423e-06/0.1808, allocations: 0 / 0.582 GB, free: 15.61 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 2.565e-05/0.1808, allocations: 4 kB / 0.582 GB, free: 15.61 MB / 0.5105 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 302 * Number of variables: 302 Notification: Performance of Generate backend data structure: time 0.005431/0.1862, allocations: 2.552 MB / 0.5845 GB, free: 13.01 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 5.117e-05/0.1863, allocations: 12.03 kB / 0.5845 GB, free: 13 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002257/0.1886, allocations: 0.5069 MB / 0.585 GB, free: 12.49 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002698/0.1913, allocations: 1.183 MB / 0.5862 GB, free: 11.26 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001156/0.1914, allocations: 90.7 kB / 0.5862 GB, free: 11.17 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002737/0.1916, allocations: 139.8 kB / 0.5864 GB, free: 11.04 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00299/0.1946, allocations: 1.46 MB / 0.5878 GB, free: 9.48 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.308e-05/0.1947, allocations: 3.938 kB / 0.5878 GB, free: 9.477 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002834/0.1949, allocations: 48 kB / 0.5879 GB, free: 9.43 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.921e-05/0.195, allocations: 50.31 kB / 0.5879 GB, free: 9.379 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002355/0.1974, allocations: 0.9654 MB / 0.5888 GB, free: 8.406 MB / 0.5105 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.008839/0.2062, allocations: 4.771 MB / 0.5935 GB, free: 3.527 MB / 0.5105 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002056/0.2083, allocations: 0.7544 MB / 0.5942 GB, free: 2.762 MB / 0.5105 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009919/0.2093, allocations: 467 kB / 0.5947 GB, free: 2.305 MB / 0.5105 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005778/0.2098, allocations: 180.9 kB / 0.5949 GB, free: 2.129 MB / 0.5105 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002021/0.21, allocations: 46.39 kB / 0.5949 GB, free: 2.07 MB / 0.5105 GB Notification: Performance of pre-optimization done (n=100): time 3.256e-06/0.2101, allocations: 0 / 0.5949 GB, free: 2.07 MB / 0.5105 GB Notification: Performance of matching and sorting (n=103): time 0.007978/0.218, allocations: 2.986 MB / 0.5978 GB, free: 15.04 MB / 0.5261 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.463e-05/0.2181, allocations: 68.41 kB / 0.5979 GB, free: 14.96 MB / 0.5261 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00173/0.2198, allocations: 1.193 MB / 0.599 GB, free: 13.77 MB / 0.5261 GB Notification: Performance of collectPreVariables (initialization): time 8.243e-05/0.2199, allocations: 41.7 kB / 0.5991 GB, free: 13.72 MB / 0.5261 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008044/0.2207, allocations: 0.8062 MB / 0.5999 GB, free: 12.91 MB / 0.5261 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004218/0.2211, allocations: 416.7 kB / 0.6003 GB, free: 12.5 MB / 0.5261 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004108/0.2215, allocations: 232.5 kB / 0.6005 GB, free: 12.26 MB / 0.5261 GB Notification: Performance of setup shared object (initialization): time 0.0003373/0.2219, allocations: 0.5434 MB / 0.601 GB, free: 11.71 MB / 0.5261 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007704/0.2227, allocations: 338.5 kB / 0.6013 GB, free: 11.38 MB / 0.5261 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001216/0.2239, allocations: 0.5672 MB / 0.6019 GB, free: 10.74 MB / 0.5261 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: conductionElement4.deltaE_system = $START.conductionElement4.deltaE_system (0.0 = $START.conductionElement4.deltaE_system) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: conductionElement2.deltaE_system = $START.conductionElement2.deltaE_system (0.0 = $START.conductionElement2.deltaE_system) Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: conductionElement.deltaE_system = $START.conductionElement.deltaE_system (0.0 = $START.conductionElement.deltaE_system) Notification: Performance of analyzeInitialSystem (initialization): time 0.00213/0.226, allocations: 0.9997 MB / 0.6029 GB, free: 9.676 MB / 0.5261 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.977e-06/0.226, allocations: 11.88 kB / 0.6029 GB, free: 9.664 MB / 0.5261 GB Notification: Performance of matching and sorting (n=137) (initialization): time 0.003217/0.2292, allocations: 1.37 MB / 0.6042 GB, free: 8.273 MB / 0.5261 GB Notification: Performance of prepare postOptimizeDAE: time 2.978e-05/0.2293, allocations: 18.42 kB / 0.6042 GB, free: 8.258 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.117e-05/0.2293, allocations: 7.938 kB / 0.6043 GB, free: 8.25 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001069/0.2303, allocations: 267 kB / 0.6045 GB, free: 7.977 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009816/0.2313, allocations: 223.7 kB / 0.6047 GB, free: 7.758 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007879/0.2392, allocations: 6.992 MB / 0.6115 GB, free: 416 kB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009483/0.2402, allocations: 39.98 kB / 0.6116 GB, free: 376 kB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001405/0.2403, allocations: 55.97 kB / 0.6116 GB, free: 320 kB / 0.5261 GB Warning: The initial conditions are over specified. The following 3 initial equations are redundant, so they are removed from the initialization system: conductionElement4.deltaE_system = $START.conductionElement4.deltaE_system conductionElement2.deltaE_system = $START.conductionElement2.deltaE_system conductionElement.deltaE_system = $START.conductionElement.deltaE_system. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * 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 (115): * Single equations (assignments): 112 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(4,14,75.0%), (1,3,100.0%), (1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0007042/0.241, allocations: 336.1 kB / 0.612 GB, free: 15.97 MB / 0.5417 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004149/0.2414, allocations: 186.9 kB / 0.6121 GB, free: 15.79 MB / 0.5417 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0035/0.2449, allocations: 1.442 MB / 0.6135 GB, free: 14.33 MB / 0.5417 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.41e-05/0.2449, allocations: 15.94 kB / 0.6136 GB, free: 14.31 MB / 0.5417 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.024e-05/0.2449, allocations: 4 kB / 0.6136 GB, free: 14.31 MB / 0.5417 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.482e-05/0.245, allocations: 11.97 kB / 0.6136 GB, free: 14.3 MB / 0.5417 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006683/0.2516, allocations: 2.865 MB / 0.6164 GB, free: 11.34 MB / 0.5417 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.628e-06/0.2516, allocations: 7.828 kB / 0.6164 GB, free: 11.33 MB / 0.5417 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009205/0.2526, allocations: 188.1 kB / 0.6166 GB, free: 11.15 MB / 0.5417 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001014/0.2536, allocations: 281.7 kB / 0.6168 GB, free: 10.86 MB / 0.5417 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001125/0.2537, allocations: 47.97 kB / 0.6169 GB, free: 10.82 MB / 0.5417 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00786/0.2615, allocations: 7.006 MB / 0.6237 GB, free: 3.445 MB / 0.5417 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.823e-06/0.2616, allocations: 7.938 kB / 0.6237 GB, free: 3.438 MB / 0.5417 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00428/0.2658, allocations: 1.918 MB / 0.6256 GB, free: 1.445 MB / 0.5417 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007149/0.2666, allocations: 230.9 kB / 0.6258 GB, free: 1.219 MB / 0.5417 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001634/0.2667, allocations: 28 kB / 0.6258 GB, free: 1.191 MB / 0.5417 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006401/0.2674, allocations: 35.98 kB / 0.6259 GB, free: 1.156 MB / 0.5417 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002725/0.2676, allocations: 104.7 kB / 0.626 GB, free: 1.051 MB / 0.5417 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001115/0.2677, allocations: 47.97 kB / 0.626 GB, free: 1.004 MB / 0.5417 GB Notification: Performance of sorting global known variables: time 0.001108/0.2688, allocations: 0.7312 MB / 0.6267 GB, free: 276 kB / 0.5417 GB Notification: Performance of sort global known variables: time 7e-08/0.2688, allocations: 0 / 0.6267 GB, free: 276 kB / 0.5417 GB Notification: Performance of remove unused functions: time 0.001958/0.2708, allocations: 0.5423 MB / 0.6273 GB, free: 15.72 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 12 * Number of states: 12 (conductionElement.h,conductionElement1.inlet.m_flow,conductionElement1.h,conductionElement1.deltaE_system,conductionElement2.inlet.m_flow,conductionElement2.h,splitterX.splitterN.inlet.m_flow,conductionElement3.inlet.m_flow,conductionElement3.h,conductionElement3.deltaE_system,conductionElement4.h,flowResistance.inlet.m_flow) * 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 (88): * Single equations (assignments): 85 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 3 systems {(4,14,75.0%), (1,3,100.0%), (1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001261/0.2721, allocations: 0.5801 MB / 0.6278 GB, free: 15.14 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.003324/0.2754, allocations: 1.578 MB / 0.6294 GB, free: 13.52 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 8.346e-06/0.2754, allocations: 4 kB / 0.6294 GB, free: 13.51 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.002175/0.2776, allocations: 1.161 MB / 0.6305 GB, free: 12.29 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002918/0.2805, allocations: 0.5461 MB / 0.631 GB, free: 11.78 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006123/0.2866, allocations: 3.03 MB / 0.634 GB, free: 8.66 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.000895/0.2875, allocations: 0.6691 MB / 0.6347 GB, free: 7.957 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.001285/0.2888, allocations: 340.4 kB / 0.635 GB, free: 7.621 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004426/0.2892, allocations: 148.4 kB / 0.6351 GB, free: 7.477 MB / 0.5573 GB Notification: Performance of SimCode: time 3.346e-06/0.2892, allocations: 0 / 0.6351 GB, free: 7.477 MB / 0.5573 GB Notification: Performance of Templates: time 0.2758/0.565, allocations: 28.76 MB / 0.6632 GB, free: 155.8 MB / 0.5573 GB " [Timeout remaining time 659] make -j1 -f ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement.makefile [Timeout 660] (rm -f ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement.pipe ; mkfifo ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement.pipe ; head -c 1048576 < ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement.pipe >> ../files/ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement.sim & ./ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement.pipe 2>&1) [Timeout 240] diffSimulationResults("ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement_res.mat","/mnt/ReferenceFiles/ThermofluidStream-main-regression/ReferenceData/ThermofluidStream.Processes.Tests.ConductionElement_ref.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/ThermofluidStream_dev_ThermofluidStream.Processes.Tests.ConductionElement.diff",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 7.532983132987283]