Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL.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 0.0009577/0.0009577, allocations: 80.81 kB / 21.54 MB, free: 2.949 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 0.0009998/0.0009998, allocations: 164.7 kB / 24.96 MB, free: 7.715 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 1.019/1.019, allocations: 177.1 MB / 205.4 MB, free: 5.492 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.x/package.mo): time 1.904/1.904, allocations: 389.6 MB / 0.6361 GB, free: 12.29 MB / 0.6042 GB " [Timeout remaining time 178] Using package Buildings with version 13.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 13.0.2-maint.13.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.Fluid.Chillers.Validation.Carnot_TEva_etaPL,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL") translateModel(Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.633e-06/1.633e-06, allocations: 0 / 0.776 GB, free: 5.375 MB / 0.7292 GB Notification: Performance of FrontEnd - Absyn->SCode: time 2.113e-05/2.276e-05, allocations: 3.062 kB / 0.776 GB, free: 5.371 MB / 0.7292 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL): time 0.0139/0.01392, allocations: 17.93 MB / 0.7935 GB, free: 3.422 MB / 0.7448 GB Notification: Performance of NFInst.instExpressions: time 0.009613/0.02353, allocations: 6.558 MB / 0.7999 GB, free: 12.89 MB / 0.7605 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001828/0.02536, allocations: 83.31 kB / 0.8 GB, free: 12.81 MB / 0.7605 GB Notification: Performance of NFTyping.typeComponents: time 0.001032/0.02639, allocations: 400.9 kB / 0.8004 GB, free: 12.42 MB / 0.7605 GB Notification: Performance of NFTyping.typeBindings: time 0.003286/0.02968, allocations: 1.461 MB / 0.8018 GB, free: 10.96 MB / 0.7605 GB Notification: Performance of NFTyping.typeClassSections: time 0.002331/0.03201, allocations: 1.21 MB / 0.803 GB, free: 9.758 MB / 0.7605 GB Notification: Performance of NFFlatten.flatten: time 0.003746/0.03575, allocations: 3.024 MB / 0.8059 GB, free: 6.727 MB / 0.7605 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001727/0.03748, allocations: 0.9019 MB / 0.8068 GB, free: 5.797 MB / 0.7605 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002414/0.03989, allocations: 1.544 MB / 0.8083 GB, free: 4.258 MB / 0.7605 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001086/0.04098, allocations: 0.69 MB / 0.809 GB, free: 3.566 MB / 0.7605 GB Notification: Performance of NFPackage.collectConstants: time 0.0001733/0.04115, allocations: 113.4 kB / 0.8091 GB, free: 3.457 MB / 0.7605 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001734/0.04289, allocations: 0.9667 MB / 0.81 GB, free: 2.488 MB / 0.7605 GB Notification: Performance of NFScalarize.scalarize: time 0.0002674/0.04316, allocations: 298.7 kB / 0.8103 GB, free: 2.195 MB / 0.7605 GB Notification: Performance of NFVerifyModel.verify: time 0.000548/0.0437, allocations: 458.9 kB / 0.8108 GB, free: 1.746 MB / 0.7605 GB Notification: Performance of NFConvertDAE.convert: time 0.002395/0.0461, allocations: 1.55 MB / 0.8123 GB, free: 196 kB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 4.739e-06/0.0461, allocations: 1 kB / 0.8123 GB, free: 196 kB / 0.7605 GB Notification: Performance of FrontEnd: time 1.283e-06/0.0461, allocations: 3.938 kB / 0.8123 GB, free: 192 kB / 0.7605 GB Notification: Performance of Transformations before backend: time 1.584e-05/0.04612, allocations: 0 / 0.8123 GB, free: 192 kB / 0.7605 GB 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 0.002225/0.04834, allocations: 1.612 MB / 0.8139 GB, free: 14.54 MB / 0.7761 GB Notification: Performance of prepare preOptimizeDAE: time 3.832e-05/0.04838, allocations: 14.06 kB / 0.8139 GB, free: 14.52 MB / 0.7761 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002416/0.0508, allocations: 0.6342 MB / 0.8145 GB, free: 13.91 MB / 0.7761 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001438/0.05224, allocations: 0.787 MB / 0.8153 GB, free: 13.07 MB / 0.7761 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.424e-05/0.05229, allocations: 64.72 kB / 0.8153 GB, free: 13.02 MB / 0.7761 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001012/0.05239, allocations: 80 kB / 0.8154 GB, free: 12.94 MB / 0.7761 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001516/0.05391, allocations: 0.9677 MB / 0.8163 GB, free: 11.9 MB / 0.7761 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.149e-05/0.05393, allocations: 7.938 kB / 0.8163 GB, free: 11.89 MB / 0.7761 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.904e-05/0.054, allocations: 32 kB / 0.8164 GB, free: 11.86 MB / 0.7761 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.77e-05/0.05402, allocations: 20.66 kB / 0.8164 GB, free: 11.84 MB / 0.7761 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000682/0.0547, allocations: 435.8 kB / 0.8168 GB, free: 11.42 MB / 0.7761 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 0.004882/0.05958, allocations: 3.216 MB / 0.82 GB, free: 8.121 MB / 0.7761 GB Notification: Performance of preOpt comSubExp (simulation): time 0.009362/0.06894, allocations: 2.282 MB / 0.8222 GB, free: 5.828 MB / 0.7761 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003446/0.06929, allocations: 143.6 kB / 0.8223 GB, free: 5.684 MB / 0.7761 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001454/0.06943, allocations: 43.97 kB / 0.8224 GB, free: 5.641 MB / 0.7761 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.897e-05/0.06946, allocations: 42.55 kB / 0.8224 GB, free: 5.59 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=44): time 3.476e-06/0.06947, allocations: 0 / 0.8224 GB, free: 5.59 MB / 0.7761 GB Notification: Performance of matching and sorting (n=44): time 0.002405/0.07187, allocations: 0.8284 MB / 0.8232 GB, free: 4.75 MB / 0.7761 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.057e-05/0.0719, allocations: 55.41 kB / 0.8233 GB, free: 4.684 MB / 0.7761 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008515/0.07275, allocations: 0.7718 MB / 0.824 GB, free: 3.891 MB / 0.7761 GB Notification: Performance of collectPreVariables (initialization): time 6.537e-05/0.07282, allocations: 37.7 kB / 0.8241 GB, free: 3.848 MB / 0.7761 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002521/0.07307, allocations: 433.9 kB / 0.8245 GB, free: 3.418 MB / 0.7761 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001217/0.07319, allocations: 150.6 kB / 0.8246 GB, free: 3.27 MB / 0.7761 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002258/0.07342, allocations: 138.1 kB / 0.8247 GB, free: 3.129 MB / 0.7761 GB Notification: Performance of setup shared object (initialization): time 8.812e-05/0.07351, allocations: 329.9 kB / 0.8251 GB, free: 2.801 MB / 0.7761 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006085/0.07411, allocations: 182.2 kB / 0.8252 GB, free: 2.621 MB / 0.7761 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005716/0.07469, allocations: 0.7603 MB / 0.826 GB, free: 1.676 MB / 0.7761 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005342/0.07522, allocations: 425.6 kB / 0.8264 GB, free: 1.188 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.041e-06/0.07523, allocations: 4 kB / 0.8264 GB, free: 1.184 MB / 0.7761 GB Notification: Performance of matching and sorting (n=70) (initialization): time 0.0008608/0.07609, allocations: 0.5079 MB / 0.8269 GB, free: 0.6602 MB / 0.7761 GB Notification: Performance of prepare postOptimizeDAE: time 2.051e-05/0.07611, allocations: 12.03 kB / 0.8269 GB, free: 0.6484 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.015e-05/0.07612, allocations: 4 kB / 0.8269 GB, free: 0.6445 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005772/0.0767, allocations: 184.9 kB / 0.8271 GB, free: 472 kB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006677/0.07736, allocations: 187.7 kB / 0.8272 GB, free: 284 kB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005009/0.07786, allocations: 0.6389 MB / 0.8279 GB, free: 15.61 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008174/0.07868, allocations: 159.5 kB / 0.828 GB, free: 15.46 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.018e-05/0.07876, allocations: 35.97 kB / 0.8281 GB, free: 15.42 MB / 0.7917 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005127/0.07927, allocations: 259.1 kB / 0.8283 GB, free: 15.16 MB / 0.7917 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005901/0.07986, allocations: 0.7603 MB / 0.829 GB, free: 14.21 MB / 0.7917 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000533/0.0804, allocations: 425.8 kB / 0.8295 GB, free: 13.73 MB / 0.7917 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.815e-06/0.0804, allocations: 0 / 0.8295 GB, free: 13.73 MB / 0.7917 GB Notification: Performance of matching and sorting (n=70) (initialization_lambda0): time 0.0008598/0.08126, allocations: 0.5197 MB / 0.83 GB, free: 13.19 MB / 0.7917 GB Notification: Performance of prepare postOptimizeDAE: time 1.757e-05/0.08128, allocations: 11.98 kB / 0.83 GB, free: 13.18 MB / 0.7917 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.941e-06/0.08128, allocations: 4 kB / 0.83 GB, free: 13.18 MB / 0.7917 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004289/0.08171, allocations: 155.6 kB / 0.8301 GB, free: 13.02 MB / 0.7917 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006566/0.08237, allocations: 191.7 kB / 0.8303 GB, free: 12.83 MB / 0.7917 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0004332/0.0828, allocations: 0.6396 MB / 0.8309 GB, free: 12.17 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007865/0.08359, allocations: 163.6 kB / 0.8311 GB, free: 12.01 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.93e-05/0.08366, allocations: 27.98 kB / 0.8311 GB, free: 11.98 MB / 0.7917 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 22 * 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 (56): * Single equations (assignments): 55 * 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 0.0001953/0.08385, allocations: 216.1 kB / 0.8313 GB, free: 11.76 MB / 0.7917 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001329/0.08399, allocations: 75.91 kB / 0.8314 GB, free: 11.69 MB / 0.7917 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001325/0.08531, allocations: 0.5739 MB / 0.832 GB, free: 11.1 MB / 0.7917 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.929e-06/0.08532, allocations: 8 kB / 0.832 GB, free: 11.09 MB / 0.7917 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.975e-06/0.08532, allocations: 3.938 kB / 0.832 GB, free: 11.09 MB / 0.7917 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.512e-06/0.08533, allocations: 3.984 kB / 0.832 GB, free: 11.09 MB / 0.7917 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00221/0.08754, allocations: 1.263 MB / 0.8332 GB, free: 9.766 MB / 0.7917 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.646e-06/0.08755, allocations: 4 kB / 0.8332 GB, free: 9.762 MB / 0.7917 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005008/0.08805, allocations: 128.1 kB / 0.8333 GB, free: 9.637 MB / 0.7917 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004029/0.08845, allocations: 159.5 kB / 0.8335 GB, free: 9.477 MB / 0.7917 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.774e-05/0.0885, allocations: 19.98 kB / 0.8335 GB, free: 9.457 MB / 0.7917 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004762/0.08898, allocations: 0.6612 MB / 0.8341 GB, free: 8.77 MB / 0.7917 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.426e-06/0.08898, allocations: 4 kB / 0.8342 GB, free: 8.766 MB / 0.7917 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001242/0.09022, allocations: 0.7049 MB / 0.8348 GB, free: 8.008 MB / 0.7917 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003277/0.09055, allocations: 139.1 kB / 0.835 GB, free: 7.871 MB / 0.7917 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.976e-05/0.09065, allocations: 12 kB / 0.835 GB, free: 7.859 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006239/0.09127, allocations: 103.9 kB / 0.8351 GB, free: 7.758 MB / 0.7917 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.277e-05/0.09135, allocations: 43.81 kB / 0.8351 GB, free: 7.715 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.829e-05/0.0914, allocations: 19.98 kB / 0.8351 GB, free: 7.695 MB / 0.7917 GB Notification: Performance of sorting global known variables: time 0.0004054/0.09181, allocations: 383.5 kB / 0.8355 GB, free: 7.309 MB / 0.7917 GB Notification: Performance of sort global known variables: time 2.31e-07/0.09181, allocations: 0 / 0.8355 GB, free: 7.309 MB / 0.7917 GB Notification: Performance of remove unused functions: time 0.001326/0.09314, allocations: 0.5846 MB / 0.8361 GB, free: 6.723 MB / 0.7917 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 (34): * Single equations (assignments): 29 * 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 0.0004503/0.09359, allocations: 229.8 kB / 0.8363 GB, free: 6.488 MB / 0.7917 GB Notification: Performance of simCode: created initialization part: time 0.001376/0.09496, allocations: 0.7013 MB / 0.837 GB, free: 5.785 MB / 0.7917 GB Notification: Performance of simCode: created event and clocks part: time 1.941e-05/0.09498, allocations: 12 kB / 0.837 GB, free: 5.773 MB / 0.7917 GB Notification: Performance of simCode: created simulation system equations: time 0.0003697/0.09535, allocations: 210.6 kB / 0.8372 GB, free: 5.566 MB / 0.7917 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001208/0.09656, allocations: 417.2 kB / 0.8376 GB, free: 5.164 MB / 0.7917 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009301/0.1059, allocations: 3.486 MB / 0.841 GB, free: 1.605 MB / 0.7917 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001367/0.106, allocations: 192.8 kB / 0.8412 GB, free: 1.395 MB / 0.7917 GB Notification: Performance of simCode: alias equations: time 0.0008782/0.1069, allocations: 247.5 kB / 0.8414 GB, free: 1.148 MB / 0.7917 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007032/0.1076, allocations: 343.1 kB / 0.8417 GB, free: 0.8086 MB / 0.7917 GB Notification: Performance of SimCode: time 2.004e-06/0.1076, allocations: 0 / 0.8417 GB, free: 0.8086 MB / 0.7917 GB Notification: Performance of Templates: time 0.02844/0.136, allocations: 23.31 MB / 0.8645 GB, free: 9.93 MB / 0.823 GB " [Timeout remaining time 300] make -j1 -f Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL.makefile [Timeout 300] (rm -f Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL.pipe ; mkfifo Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL.pipe ; head -c 1048576 < Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL.pipe >> ../files/Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL.sim & ./Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL -abortSlowSimulation -alarm=240 -lv LOG_STATS > Buildings_13_Buildings.Fluid.Chillers.Validation.Carnot_TEva_etaPL.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.605119066312909]