Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1.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 0.0007661/0.0007661, allocations: 80.8 kB / 21.5 MB, free: 2.996 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 0.0008929/0.0008929, allocations: 174.2 kB / 24.92 MB, free: 9.199 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 0.9247/0.9247, allocations: 177.1 MB / 205.3 MB, free: 5.492 MB / 186.7 MB " [Timeout remaining time 179] 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(Modelica.Blocks.Examples.Interaction1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5011,variableFilter="time|booleanTable.y|integerTable.y|start.on|start.reset.[0-9,]+.|stop.on|stop.reset.[0-9,]+.",fileNamePrefix="Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1") translateModel(Modelica.Blocks.Examples.Interaction1,tolerance=1e-06,outputFormat="mat",numberOfIntervals=5011,variableFilter="time|booleanTable.y|integerTable.y|start.on|start.reset.[0-9,]+.|stop.on|stop.reset.[0-9,]+.",fileNamePrefix="Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.392e-06/1.392e-06, allocations: 0 / 273.4 MB, free: 1.332 MB / 250.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.509e-05/1.648e-05, allocations: 2.312 kB / 273.4 MB, free: 1.328 MB / 250.7 MB Notification: Performance of NFInst.instantiate(Modelica.Blocks.Examples.Interaction1): time 0.002814/0.00283, allocations: 2.528 MB / 276 MB, free: 14.78 MB / 266.7 MB Notification: Performance of NFInst.instExpressions: time 0.002194/0.005024, allocations: 1.928 MB / 277.9 MB, free: 12.85 MB / 266.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.000179/0.005203, allocations: 7.938 kB / 277.9 MB, free: 12.84 MB / 266.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0007742/0.005977, allocations: 0.5451 MB / 278.4 MB, free: 12.29 MB / 266.7 MB Notification: Performance of NFTyping.typeBindings: time 0.0005832/0.00656, allocations: 0.5096 MB / 278.9 MB, free: 11.78 MB / 266.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.0008233/0.007384, allocations: 0.5455 MB / 279.5 MB, free: 11.23 MB / 266.7 MB Notification: Performance of NFFlatten.flatten: time 0.0006561/0.00804, allocations: 0.8297 MB / 280.3 MB, free: 10.4 MB / 266.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001256/0.008165, allocations: 66.14 kB / 280.4 MB, free: 10.33 MB / 266.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001042/0.009208, allocations: 0.5189 MB / 280.9 MB, free: 9.844 MB / 266.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002774/0.009485, allocations: 299.2 kB / 281.2 MB, free: 9.551 MB / 266.7 MB Notification: Performance of NFPackage.collectConstants: time 4.264e-05/0.009528, allocations: 36 kB / 281.2 MB, free: 9.516 MB / 266.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0002764/0.009804, allocations: 235.5 kB / 281.5 MB, free: 9.285 MB / 266.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0001457/0.00995, allocations: 203.3 kB / 281.7 MB, free: 9.086 MB / 266.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0001177/0.01007, allocations: 159.4 kB / 281.8 MB, free: 8.93 MB / 266.7 MB Notification: Performance of NFConvertDAE.convert: time 0.000577/0.01064, allocations: 0.6422 MB / 282.5 MB, free: 8.285 MB / 266.7 MB Notification: Performance of FrontEnd - DAE generated: time 1.463e-06/0.01065, allocations: 0 / 282.5 MB, free: 8.285 MB / 266.7 MB Notification: Performance of FrontEnd: time 5.51e-07/0.01065, allocations: 4 kB / 282.5 MB, free: 8.281 MB / 266.7 MB Notification: Performance of Transformations before backend: time 5.14e-06/0.01065, allocations: 3.938 kB / 282.5 MB, free: 8.277 MB / 266.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 50 * Number of variables: 50 Notification: Performance of Generate backend data structure: time 0.0008747/0.01153, allocations: 1.106 MB / 283.6 MB, free: 7.102 MB / 266.7 MB Notification: Performance of prepare preOptimizeDAE: time 2.579e-05/0.01155, allocations: 8.031 kB / 283.6 MB, free: 7.094 MB / 266.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 7.815e-05/0.01163, allocations: 68.88 kB / 283.6 MB, free: 7.027 MB / 266.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004682/0.0121, allocations: 494.8 kB / 284.1 MB, free: 6.516 MB / 266.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.468e-05/0.01212, allocations: 28.3 kB / 284.2 MB, free: 6.488 MB / 266.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 2.792e-05/0.01215, allocations: 28.36 kB / 284.2 MB, free: 6.461 MB / 266.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0002736/0.01242, allocations: 323.3 kB / 284.5 MB, free: 6.102 MB / 266.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.186e-06/0.01243, allocations: 3.938 kB / 284.5 MB, free: 6.098 MB / 266.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.737e-05/0.01245, allocations: 11.94 kB / 284.5 MB, free: 6.086 MB / 266.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.653e-05/0.01247, allocations: 11.98 kB / 284.5 MB, free: 6.074 MB / 266.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001234/0.01259, allocations: 164.3 kB / 284.7 MB, free: 5.891 MB / 266.7 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0006622/0.01325, allocations: 0.9089 MB / 285.6 MB, free: 4.938 MB / 266.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0002602/0.01351, allocations: 458.4 kB / 286 MB, free: 4.43 MB / 266.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 9.565e-05/0.01361, allocations: 156.5 kB / 286.2 MB, free: 4.246 MB / 266.7 MB Notification: Performance of preOpt evalFunc (simulation): time 1.85e-05/0.01363, allocations: 4 kB / 286.2 MB, free: 4.242 MB / 266.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0002822/0.01391, allocations: 483.2 kB / 286.7 MB, free: 3.695 MB / 266.7 MB Notification: Performance of pre-optimization done (n=42): time 1.332e-06/0.01391, allocations: 0 / 286.7 MB, free: 3.695 MB / 266.7 MB Notification: Performance of matching and sorting (n=42): time 0.0004033/0.01431, allocations: 0.5536 MB / 287.2 MB, free: 3.078 MB / 266.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.844e-05/0.01441, allocations: 328.4 kB / 287.5 MB, free: 2.684 MB / 266.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004802/0.01489, allocations: 0.646 MB / 288.2 MB, free: 2.02 MB / 266.7 MB Notification: Performance of collectPreVariables (initialization): time 3.119e-05/0.01492, allocations: 45.7 kB / 288.2 MB, free: 1.969 MB / 266.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001258/0.01505, allocations: 198.7 kB / 288.4 MB, free: 1.773 MB / 266.7 MB Notification: Performance of collectInitialBindings (initialization): time 6.086e-05/0.01511, allocations: 111.2 kB / 288.5 MB, free: 1.664 MB / 266.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 8.509e-05/0.0152, allocations: 102 kB / 288.6 MB, free: 1.559 MB / 266.7 MB Notification: Performance of setup shared object (initialization): time 6.908e-05/0.01526, allocations: 325.9 kB / 289 MB, free: 1.234 MB / 266.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 9.157e-05/0.01536, allocations: 140.8 kB / 289.1 MB, free: 1.074 MB / 266.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002361/0.01559, allocations: 389.1 kB / 289.5 MB, free: 0.5938 MB / 266.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0002661/0.01586, allocations: 460.4 kB / 289.9 MB, free: 52 kB / 266.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.126e-06/0.01586, allocations: 0.5 kB / 289.9 MB, free: 52 kB / 266.7 MB Notification: Performance of matching and sorting (n=62) (initialization): time 0.0004001/0.01626, allocations: 477.5 kB / 290.4 MB, free: 15.54 MB / 282.7 MB Notification: Performance of prepare postOptimizeDAE: time 4.371e-05/0.0163, allocations: 97.38 kB / 290.5 MB, free: 15.42 MB / 282.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.653e-06/0.01631, allocations: 8 kB / 290.5 MB, free: 15.41 MB / 282.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.256e-05/0.01632, allocations: 4 kB / 290.5 MB, free: 15.41 MB / 282.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001327/0.01646, allocations: 67.78 kB / 290.6 MB, free: 15.34 MB / 282.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.502e-06/0.01646, allocations: 8 kB / 290.6 MB, free: 15.34 MB / 282.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001331/0.0166, allocations: 47.72 kB / 290.6 MB, free: 15.29 MB / 282.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.147e-05/0.01662, allocations: 23.98 kB / 290.6 MB, free: 15.27 MB / 282.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * Number of states: 0 () * Number of discrete variables: 51 ($PRE.start.pre_reset[1],$PRE.stop.pre_reset[1],$PRE.integerTable.combiTimeTable.nextTimeEvent,$whenCondition9,integerTable.combiTimeTable.nextTimeEventScaled,$PRE.integerTable.combiTimeTable.nextTimeEventScaled,integerTable.combiTimeTable.nextTimeEvent,integerTable.y,$PRE.booleanTable.combiTimeTable.nextTimeEvent,$whenCondition8,booleanTable.combiTimeTable.nextTimeEventScaled,$PRE.booleanTable.combiTimeTable.nextTimeEventScaled,booleanTable.combiTimeTable.nextTimeEvent,booleanTable.y,$PRE.stop.table.combiTimeTable.nextTimeEvent,$whenCondition3,$PRE.start.table.combiTimeTable.nextTimeEvent,$whenCondition2,stop.on,$PRE.stop.on,start.reset[1],stop.reset[1],start.on,$PRE.start.on,stop.pre_reset[1],stop.table.combiTimeTable.nextTimeEventScaled,$PRE.stop.table.combiTimeTable.nextTimeEventScaled,stop.table.combiTimeTable.nextTimeEvent,stop.table.y,$PRE.stop.table.y,$PRE.stop.reset[1],$whenCondition5,$whenCondition4,start.pre_reset[1],start.table.combiTimeTable.nextTimeEventScaled,$PRE.start.table.combiTimeTable.nextTimeEventScaled,start.table.combiTimeTable.nextTimeEvent,start.table.y,$PRE.start.table.y,$PRE.start.reset[1],$whenCondition7,$whenCondition6,timeTable.nextEventScaled,timeTable.nextEvent,$PRE.timeTable.nextEvent,timeTable.last,timeTable.b,timeTable.a,$whenCondition1,integerValue.number,booleanValue.active) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (53): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 3 * 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 0.0003235/0.01694, allocations: 265.6 kB / 290.9 MB, free: 14.98 MB / 282.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 6.992e-05/0.01701, allocations: 71.92 kB / 291 MB, free: 14.91 MB / 282.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0002969/0.01731, allocations: 363.1 kB / 291.3 MB, free: 14.53 MB / 282.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.37e-06/0.01731, allocations: 11.92 kB / 291.3 MB, free: 14.52 MB / 282.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.944e-06/0.01732, allocations: 0 / 291.3 MB, free: 14.52 MB / 282.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.292e-06/0.01732, allocations: 4 kB / 291.3 MB, free: 14.51 MB / 282.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0004519/0.01777, allocations: 0.646 MB / 292 MB, free: 13.82 MB / 282.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.347e-06/0.01778, allocations: 4 kB / 292 MB, free: 13.81 MB / 282.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 6.172e-05/0.01784, allocations: 31.92 kB / 292 MB, free: 13.78 MB / 282.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.104e-06/0.01784, allocations: 4 kB / 292 MB, free: 13.78 MB / 282.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.813e-05/0.01786, allocations: 12 kB / 292 MB, free: 13.77 MB / 282.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.597e-06/0.01786, allocations: 7.984 kB / 292 MB, free: 13.76 MB / 282.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.262e-06/0.01786, allocations: 0 / 292 MB, free: 13.76 MB / 282.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003434/0.01821, allocations: 0.6066 MB / 292.7 MB, free: 13.08 MB / 282.7 MB Notification: Performance of postOpt removeConstants (simulation): time 5.918e-05/0.01827, allocations: 75.41 kB / 292.7 MB, free: 13.01 MB / 282.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.418e-05/0.01833, allocations: 20 kB / 292.7 MB, free: 12.99 MB / 282.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001075/0.01844, allocations: 19.98 kB / 292.8 MB, free: 12.97 MB / 282.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.316e-05/0.0185, allocations: 39.94 kB / 292.8 MB, free: 12.93 MB / 282.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.325e-05/0.01852, allocations: 23.98 kB / 292.8 MB, free: 12.91 MB / 282.7 MB Notification: Performance of sorting global known variables: time 0.0002574/0.01878, allocations: 331.3 kB / 293.2 MB, free: 12.57 MB / 282.7 MB Notification: Performance of sort global known variables: time 7.1e-08/0.01878, allocations: 4 kB / 293.2 MB, free: 12.57 MB / 282.7 MB Notification: Performance of remove unused functions: time 0.0003211/0.0191, allocations: 151.8 kB / 293.3 MB, free: 12.42 MB / 282.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 32 ($whenCondition1,timeTable.a,timeTable.b,timeTable.last,timeTable.nextEvent,timeTable.nextEventScaled,$whenCondition3,$whenCondition2,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,start.reset[1],start.on,start.table.y,start.table.combiTimeTable.nextTimeEvent,start.table.combiTimeTable.nextTimeEventScaled,start.pre_reset[1],stop.reset[1],stop.on,stop.table.y,stop.table.combiTimeTable.nextTimeEvent,stop.table.combiTimeTable.nextTimeEventScaled,stop.pre_reset[1],$whenCondition8,booleanTable.y,booleanTable.combiTimeTable.nextTimeEvent,booleanTable.combiTimeTable.nextTimeEventScaled,$whenCondition9,integerTable.y,integerTable.combiTimeTable.nextTimeEvent,integerTable.combiTimeTable.nextTimeEventScaled) * Number of discrete states: 26 (integerTable.combiTimeTable.nextTimeEvent,integerTable.combiTimeTable.nextTimeEventScaled,booleanTable.combiTimeTable.nextTimeEvent,booleanTable.combiTimeTable.nextTimeEventScaled,stop.table.combiTimeTable.nextTimeEvent,start.table.combiTimeTable.nextTimeEvent,stop.table.combiTimeTable.nextTimeEventScaled,$whenCondition5,stop.on,$whenCondition4,stop.pre_reset[1],stop.reset[1],stop.table.y,start.table.combiTimeTable.nextTimeEventScaled,$whenCondition7,start.on,$whenCondition6,start.pre_reset[1],start.reset[1],start.table.y,timeTable.nextEvent,timeTable.last,timeTable.nextEventScaled,timeTable.b,timeTable.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (33): * Single equations (assignments): 22 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 0 * When equations: 8 * 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 0.001162/0.02027, allocations: 0.601 MB / 293.9 MB, free: 12.05 MB / 282.7 MB Notification: Performance of simCode: created initialization part: time 0.000624/0.02089, allocations: 0.5732 MB / 294.5 MB, free: 11.4 MB / 282.7 MB Notification: Performance of simCode: created event and clocks part: time 7.935e-06/0.0209, allocations: 8 kB / 294.5 MB, free: 11.39 MB / 282.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0001971/0.02109, allocations: 384 kB / 294.9 MB, free: 10.96 MB / 282.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003954/0.02149, allocations: 185.4 kB / 295 MB, free: 10.79 MB / 282.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0009787/0.02247, allocations: 1.099 MB / 296.1 MB, free: 9.629 MB / 282.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001044/0.02257, allocations: 169.8 kB / 296.3 MB, free: 9.441 MB / 282.7 MB Notification: Performance of simCode: alias equations: time 0.000159/0.02273, allocations: 89.12 kB / 296.4 MB, free: 9.352 MB / 282.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002687/0.023, allocations: 207.3 kB / 296.6 MB, free: 9.148 MB / 282.7 MB Notification: Performance of SimCode: time 6.61e-07/0.023, allocations: 8 kB / 296.6 MB, free: 9.141 MB / 282.7 MB Notification: Performance of Templates: time 0.1002/0.1232, allocations: 10.3 MB / 306.9 MB, free: 39.24 MB / 282.7 MB " [Timeout remaining time 660] make -j1 -f Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1.makefile [Timeout 660] (rm -f Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1.pipe ; mkfifo Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1.pipe ; head -c 1048576 < Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1.pipe >> ../files/Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1.sim & ./Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1 -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1.pipe 2>&1) [Timeout 240] diffSimulationResults("Modelica_4.1.0_Modelica.Blocks.Examples.Interaction1_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/Reference-modelica.org/ReferenceResults/MAP-LIB_ReferenceResults/v4.1.0/Modelica/Blocks/Examples/Interaction1/Interaction1.csv","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 660] "" [Timeout remaining time 660] Reference file matches [Calling sys.exit(0), Time elapsed: 2.7081065853126347]