Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.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 0.00148/0.00148, allocations: 84.22 kB / 20.94 MB, free: 3.609 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 0.00125/0.00125, allocations: 169.3 kB / 24.25 MB, free: 312 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 0.9482/0.9482, allocations: 177.1 MB / 204.6 MB, free: 5.621 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/package.mo): time 0.6518/0.6518, allocations: 115 MB / 376 MB, free: 7.668 MB / 346.7 MB " [Timeout remaining time 179] Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA master/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(IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity") translateModel(IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.503e-06/1.503e-06, allocations: 0 / 481.5 MB, free: 11.92 MB / 410.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.95e-05/2.1e-05, allocations: 8.375 kB / 481.5 MB, free: 11.92 MB / 410.7 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity): time 0.05022/0.05025, allocations: 63.98 MB / 0.5327 GB, free: 8.363 MB / 458.7 MB Notification: Performance of NFInst.instExpressions: time 0.01403/0.06428, allocations: 13.27 MB / 0.5457 GB, free: 11.06 MB / 474.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001305/0.06558, allocations: 99.19 kB / 0.5458 GB, free: 10.96 MB / 474.7 MB Notification: Performance of NFTyping.typeComponents: time 0.00131/0.0669, allocations: 0.6905 MB / 0.5464 GB, free: 10.27 MB / 474.7 MB Notification: Performance of NFTyping.typeBindings: time 0.003303/0.0702, allocations: 2.148 MB / 0.5485 GB, free: 8.109 MB / 474.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.002393/0.07259, allocations: 1.628 MB / 0.5501 GB, free: 6.477 MB / 474.7 MB Notification: Performance of NFFlatten.flatten: time 0.00246/0.07505, allocations: 3.203 MB / 0.5533 GB, free: 3.262 MB / 474.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000771/0.07582, allocations: 0.8985 MB / 0.5541 GB, free: 2.332 MB / 474.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.002199/0.07802, allocations: 2.001 MB / 0.5561 GB, free: 340 kB / 474.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0007745/0.0788, allocations: 0.7885 MB / 0.5569 GB, free: 15.54 MB / 490.7 MB Notification: Performance of NFPackage.collectConstants: time 0.000112/0.07891, allocations: 120 kB / 0.557 GB, free: 15.43 MB / 490.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001542/0.08045, allocations: 1.204 MB / 0.5582 GB, free: 14.22 MB / 490.7 MB Notification: Performance of NFScalarize.scalarize: time 0.000236/0.08069, allocations: 314.6 kB / 0.5585 GB, free: 13.91 MB / 490.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0004322/0.08112, allocations: 494.7 kB / 0.5589 GB, free: 13.43 MB / 490.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001919/0.08304, allocations: 1.756 MB / 0.5606 GB, free: 11.66 MB / 490.7 MB Notification: Performance of FrontEnd - DAE generated: time 3.577e-06/0.08304, allocations: 0 / 0.5606 GB, free: 11.66 MB / 490.7 MB Notification: Performance of FrontEnd: time 1.262e-06/0.08304, allocations: 4 kB / 0.5606 GB, free: 11.66 MB / 490.7 MB Notification: Performance of Transformations before backend: time 9.348e-06/0.08305, allocations: 0 / 0.5606 GB, free: 11.66 MB / 490.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 192 * Number of variables: 192 Notification: Performance of Generate backend data structure: time 0.002041/0.08509, allocations: 1.87 MB / 0.5625 GB, free: 9.742 MB / 490.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.029e-05/0.08513, allocations: 8.031 kB / 0.5625 GB, free: 9.734 MB / 490.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005713/0.09085, allocations: 1.92 MB / 0.5644 GB, free: 7.812 MB / 490.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001673/0.09252, allocations: 1.323 MB / 0.5656 GB, free: 6.434 MB / 490.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.588e-05/0.09257, allocations: 70 kB / 0.5657 GB, free: 6.367 MB / 490.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001235/0.0927, allocations: 87.94 kB / 0.5658 GB, free: 6.281 MB / 490.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001897/0.09459, allocations: 1.237 MB / 0.567 GB, free: 4.945 MB / 490.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.799e-05/0.09461, allocations: 3.938 kB / 0.567 GB, free: 4.941 MB / 490.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.536e-05/0.09469, allocations: 32 kB / 0.567 GB, free: 4.91 MB / 490.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.899e-05/0.09471, allocations: 20 kB / 0.5671 GB, free: 4.891 MB / 490.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001035/0.09574, allocations: 0.6206 MB / 0.5677 GB, free: 4.273 MB / 490.7 MB 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 0.006118/0.1019, allocations: 6.414 MB / 0.5739 GB, free: 13.34 MB / 0.4948 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02905/0.1309, allocations: 8.703 MB / 0.5824 GB, free: 4.621 MB / 0.4948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006513/0.1316, allocations: 216.1 kB / 0.5826 GB, free: 4.406 MB / 0.4948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003424/0.1319, allocations: 79.94 kB / 0.5827 GB, free: 4.328 MB / 0.4948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.658e-05/0.1319, allocations: 49.28 kB / 0.5828 GB, free: 4.27 MB / 0.4948 GB Notification: Performance of pre-optimization done (n=43): time 5.511e-06/0.132, allocations: 3.984 kB / 0.5828 GB, free: 4.266 MB / 0.4948 GB Notification: Performance of matching and sorting (n=43): time 0.003342/0.1353, allocations: 1.199 MB / 0.5839 GB, free: 3.055 MB / 0.4948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.393e-05/0.1353, allocations: 55.41 kB / 0.584 GB, free: 2.988 MB / 0.4948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001065/0.1364, allocations: 0.9291 MB / 0.5849 GB, free: 2.043 MB / 0.4948 GB Notification: Performance of collectPreVariables (initialization): time 8.314e-05/0.1365, allocations: 45.7 kB / 0.5849 GB, free: 1.992 MB / 0.4948 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004277/0.1369, allocations: 0.6201 MB / 0.5855 GB, free: 1.363 MB / 0.4948 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001298/0.1371, allocations: 162.6 kB / 0.5857 GB, free: 1.203 MB / 0.4948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002429/0.1373, allocations: 180.2 kB / 0.5859 GB, free: 1.02 MB / 0.4948 GB Notification: Performance of setup shared object (initialization): time 0.0001796/0.1375, allocations: 0.5081 MB / 0.5864 GB, free: 0.5039 MB / 0.4948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004357/0.1379, allocations: 251.6 kB / 0.5866 GB, free: 260 kB / 0.4948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008554/0.1388, allocations: 1.095 MB / 0.5877 GB, free: 14.86 MB / 0.5105 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008902/0.1397, allocations: 0.7704 MB / 0.5884 GB, free: 13.92 MB / 0.5105 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.021e-06/0.1397, allocations: 4 kB / 0.5884 GB, free: 13.91 MB / 0.5105 GB Notification: Performance of matching and sorting (n=88) (initialization): time 0.001392/0.1411, allocations: 0.8941 MB / 0.5893 GB, free: 13.01 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 3.072e-05/0.1411, allocations: 14.66 kB / 0.5893 GB, free: 13 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.276e-05/0.1411, allocations: 8 kB / 0.5893 GB, free: 12.99 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006445/0.1417, allocations: 188.1 kB / 0.5895 GB, free: 12.8 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009535/0.1427, allocations: 363.5 kB / 0.5898 GB, free: 12.45 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000625/0.1433, allocations: 0.9619 MB / 0.5908 GB, free: 11.45 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001092/0.1444, allocations: 331.2 kB / 0.5911 GB, free: 11.13 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.242e-05/0.1445, allocations: 43.97 kB / 0.5911 GB, free: 11.09 MB / 0.5105 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005745/0.1451, allocations: 384.8 kB / 0.5915 GB, free: 10.71 MB / 0.5105 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007662/0.1458, allocations: 1.084 MB / 0.5926 GB, free: 9.324 MB / 0.5105 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008303/0.1467, allocations: 0.7757 MB / 0.5933 GB, free: 8.375 MB / 0.5105 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.517e-06/0.1467, allocations: 4 kB / 0.5933 GB, free: 8.371 MB / 0.5105 GB Notification: Performance of matching and sorting (n=88) (initialization_lambda0): time 0.001336/0.148, allocations: 0.8867 MB / 0.5942 GB, free: 7.473 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 1.468e-05/0.148, allocations: 11.94 kB / 0.5942 GB, free: 7.461 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.963e-06/0.148, allocations: 8 kB / 0.5942 GB, free: 7.453 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.000367/0.1484, allocations: 180 kB / 0.5944 GB, free: 7.273 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000922/0.1493, allocations: 359.6 kB / 0.5947 GB, free: 6.922 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005532/0.1499, allocations: 0.9511 MB / 0.5957 GB, free: 5.941 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001048/0.1509, allocations: 323.3 kB / 0.596 GB, free: 5.625 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.975e-05/0.151, allocations: 44.09 kB / 0.596 GB, free: 5.582 MB / 0.5105 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 41 * 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 (74): * Single equations (assignments): 73 * 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 {(1,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0002472/0.1512, allocations: 315.8 kB / 0.5963 GB, free: 5.266 MB / 0.5105 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001944/0.1514, allocations: 131.2 kB / 0.5964 GB, free: 5.137 MB / 0.5105 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001375/0.1528, allocations: 0.7604 MB / 0.5972 GB, free: 4.367 MB / 0.5105 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.467e-05/0.1528, allocations: 7.984 kB / 0.5972 GB, free: 4.359 MB / 0.5105 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.911e-06/0.1528, allocations: 4 kB / 0.5972 GB, free: 4.355 MB / 0.5105 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.873e-06/0.1528, allocations: 4 kB / 0.5972 GB, free: 4.352 MB / 0.5105 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002901/0.1557, allocations: 2.11 MB / 0.5993 GB, free: 2.098 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.464e-06/0.1557, allocations: 4 kB / 0.5993 GB, free: 2.094 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007673/0.1565, allocations: 271.9 kB / 0.5995 GB, free: 1.828 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003691/0.1569, allocations: 171.4 kB / 0.5997 GB, free: 1.656 MB / 0.5105 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.961e-05/0.1569, allocations: 23.98 kB / 0.5997 GB, free: 1.633 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005603/0.1575, allocations: 0.9599 MB / 0.6006 GB, free: 0.6406 MB / 0.5105 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.873e-06/0.1575, allocations: 0 / 0.6006 GB, free: 0.6406 MB / 0.5105 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001488/0.159, allocations: 0.9326 MB / 0.6016 GB, free: 15.65 MB / 0.5261 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003217/0.1593, allocations: 259 kB / 0.6018 GB, free: 15.4 MB / 0.5261 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001083/0.1594, allocations: 11.98 kB / 0.6018 GB, free: 15.39 MB / 0.5261 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008841/0.1603, allocations: 247.8 kB / 0.602 GB, free: 15.14 MB / 0.5261 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.425e-05/0.1604, allocations: 43.81 kB / 0.6021 GB, free: 15.1 MB / 0.5261 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.378e-05/0.1604, allocations: 27.97 kB / 0.6021 GB, free: 15.07 MB / 0.5261 GB Notification: Performance of sorting global known variables: time 0.0005202/0.1609, allocations: 0.5745 MB / 0.6027 GB, free: 14.49 MB / 0.5261 GB Notification: Performance of sort global known variables: time 6e-08/0.1609, allocations: 0 / 0.6027 GB, free: 14.49 MB / 0.5261 GB Notification: Performance of remove unused functions: time 0.001344/0.1623, allocations: 0.6743 MB / 0.6033 GB, free: 13.82 MB / 0.5261 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * 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 (33): * Single equations (assignments): 28 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {(1,16)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005793/0.1629, allocations: 379.4 kB / 0.6037 GB, free: 13.44 MB / 0.5261 GB Notification: Performance of simCode: created initialization part: time 0.002077/0.165, allocations: 1.066 MB / 0.6047 GB, free: 12.38 MB / 0.5261 GB Notification: Performance of simCode: created event and clocks part: time 2.615e-06/0.165, allocations: 0 / 0.6047 GB, free: 12.38 MB / 0.5261 GB Notification: Performance of simCode: created simulation system equations: time 0.0006023/0.1656, allocations: 293.8 kB / 0.605 GB, free: 12.09 MB / 0.5261 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001426/0.167, allocations: 440.6 kB / 0.6054 GB, free: 11.67 MB / 0.5261 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.05778/0.2248, allocations: 9.824 MB / 0.615 GB, free: 1.762 MB / 0.5261 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001541/0.2249, allocations: 201.3 kB / 0.6152 GB, free: 1.543 MB / 0.5261 GB Notification: Performance of simCode: alias equations: time 0.001123/0.226, allocations: 283 kB / 0.6155 GB, free: 1.273 MB / 0.5261 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.006341/0.2324, allocations: 80.45 kB / 0.6156 GB, free: 1.195 MB / 0.5261 GB Notification: Performance of SimCode: time 2.996e-06/0.2324, allocations: 4 kB / 0.6156 GB, free: 1.191 MB / 0.5261 GB Notification: Performance of Templates: time 0.04958/0.282, allocations: 25.78 MB / 0.6407 GB, free: 7.859 MB / 0.5573 GB " [Timeout remaining time 660] make -j1 -f IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.makefile [Timeout 660] (rm -f IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.sim & ./IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity -abortSlowSimulation -alarm=240 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Chillers.Validation.Carnot_TEva_LimitedCapacity.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 4.6168008800596]