Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax.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 0.00144/0.00144, allocations: 79.05 kB / 20.52 MB, free: 1.277 MB / 14.72 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 0.001638/0.001638, allocations: 168.8 kB / 23.77 MB, free: 4.461 MB / 14.72 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.332/1.332, allocations: 158.6 MB / 185.5 MB, free: 6.211 MB / 174.1 MB " [Timeout remaining time 178] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerGrids 1.0.3/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerGrids 1.0.3/package.mo): time 0.0674/0.0674, allocations: 10.66 MB / 248.4 MB, free: 8.457 MB / 238.1 MB " [Timeout remaining time 180] Using package PowerGrids with version 1.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerGrids 1.0.3/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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) Ignoring simflag -noemit -emit_protected=() since it seems broken on HelloWorld Running command: translateModel(PowerGrids.Electrical.Test.TestTapChangerLogicMax,tolerance=1e-06,outputFormat="mat",numberOfIntervals=500,variableFilter="Ntap|actionSel|directAction|lockedStart|reverseAction|runningStart|stateStart|t1st|tNext|tap|tapMax|tapMin|tapStart|time",fileNamePrefix="PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax") translateModel(PowerGrids.Electrical.Test.TestTapChangerLogicMax,tolerance=1e-06,outputFormat="mat",numberOfIntervals=500,variableFilter="Ntap|actionSel|directAction|lockedStart|reverseAction|runningStart|stateStart|t1st|tNext|tap|tapMax|tapMin|tapStart|time",fileNamePrefix="PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax") [Timeout 660] "Notification: Modelica requested package Complex of version 3.2.3. Complex 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.1.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.002437/0.002437, allocations: 71.89 kB / 371.4 MB, free: 11.05 MB / 302.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.09267/0.0951, allocations: 52.89 MB / 424.3 MB, free: 6.074 MB / 350.1 MB Notification: Performance of NFInst.instantiate(PowerGrids.Electrical.Test.TestTapChangerLogicMax): time 0.002796/0.0979, allocations: 1.417 MB / 425.7 MB, free: 4.648 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.001042/0.09894, allocations: 0.5268 MB / 426.2 MB, free: 4.113 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 5.187e-05/0.09899, allocations: 0 / 426.2 MB, free: 4.113 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 2.755e-05/0.09902, allocations: 3.938 kB / 426.2 MB, free: 4.109 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 8.726e-05/0.09911, allocations: 15.86 kB / 426.3 MB, free: 4.094 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0002463/0.09936, allocations: 79.83 kB / 426.3 MB, free: 4.016 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.0002486/0.0996, allocations: 183.6 kB / 426.5 MB, free: 3.836 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 5.228e-05/0.09966, allocations: 7.984 kB / 426.5 MB, free: 3.828 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.00017/0.09983, allocations: 95.84 kB / 426.6 MB, free: 3.734 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0001492/0.09998, allocations: 79.73 kB / 426.7 MB, free: 3.656 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 5.869e-05/0.1, allocations: 12 kB / 426.7 MB, free: 3.645 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 3.633e-05/0.1001, allocations: 12 kB / 426.7 MB, free: 3.633 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 7.29e-05/0.1001, allocations: 59.8 kB / 426.8 MB, free: 3.574 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001161/0.1003, allocations: 75.78 kB / 426.8 MB, free: 3.5 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0002162/0.1005, allocations: 131.6 kB / 427 MB, free: 3.371 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.552e-06/0.1005, allocations: 0 / 427 MB, free: 3.371 MB / 350.1 MB Notification: Performance of FrontEnd: time 2.093e-06/0.1005, allocations: 0 / 427 MB, free: 3.371 MB / 350.1 MB Notification: Performance of Transformations before backend: time 8.226e-06/0.1005, allocations: 0 / 427 MB, free: 3.371 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 10 * Number of variables: 10 Notification: Performance of Generate backend data structure: time 0.001124/0.1016, allocations: 493.8 kB / 427.5 MB, free: 2.859 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.121e-05/0.1017, allocations: 8.031 kB / 427.5 MB, free: 2.852 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000122/0.1018, allocations: 24.88 kB / 427.5 MB, free: 2.828 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001694/0.1019, allocations: 126.4 kB / 427.6 MB, free: 2.68 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.08e-05/0.102, allocations: 8.359 kB / 427.6 MB, free: 2.672 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 7.039e-05/0.1021, allocations: 32.34 kB / 427.7 MB, free: 2.641 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006936/0.1027, allocations: 432.8 kB / 428.1 MB, free: 2.199 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 8.476e-06/0.1028, allocations: 0 / 428.1 MB, free: 2.199 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.406e-05/0.1028, allocations: 7.984 kB / 428.1 MB, free: 2.191 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.021e-06/0.1028, allocations: 8 kB / 428.1 MB, free: 2.184 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001831/0.103, allocations: 63.94 kB / 428.2 MB, free: 2.121 MB / 350.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0003977/0.1034, allocations: 292.3 kB / 428.4 MB, free: 1.805 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0002308/0.1036, allocations: 86.45 kB / 428.5 MB, free: 1.711 MB / 350.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001782/0.1038, allocations: 68.8 kB / 428.6 MB, free: 1.641 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 1.457e-05/0.1038, allocations: 0 / 428.6 MB, free: 1.641 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008894/0.1047, allocations: 0.5838 MB / 429.2 MB, free: 1.035 MB / 350.1 MB Notification: Performance of pre-optimization done (n=30): time 1.493e-06/0.1047, allocations: 0 / 429.2 MB, free: 1.035 MB / 350.1 MB Notification: Performance of matching and sorting (n=30): time 0.001028/0.1057, allocations: 0.6465 MB / 429.8 MB, free: 392 kB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.071e-05/0.1058, allocations: 59.34 kB / 429.9 MB, free: 320 kB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001259/0.1059, allocations: 129.8 kB / 430 MB, free: 180 kB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 5.032e-05/0.106, allocations: 45.69 kB / 430.1 MB, free: 128 kB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 5.962e-05/0.106, allocations: 88.8 kB / 430.1 MB, free: 36 kB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 9.78e-05/0.1061, allocations: 75.56 kB / 430.2 MB, free: 15.96 MB / 366.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 9.984e-05/0.1062, allocations: 53.7 kB / 430.3 MB, free: 15.9 MB / 366.1 MB Notification: Performance of setup shared object (initialization): time 0.0001617/0.1064, allocations: 334.8 kB / 430.6 MB, free: 15.57 MB / 366.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001648/0.1065, allocations: 84.3 kB / 430.7 MB, free: 15.48 MB / 366.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000271/0.1068, allocations: 228.5 kB / 430.9 MB, free: 15.21 MB / 366.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003935/0.1072, allocations: 237.4 kB / 431.1 MB, free: 14.96 MB / 366.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.159e-06/0.1072, allocations: 3.938 kB / 431.1 MB, free: 14.96 MB / 366.1 MB Notification: Performance of matching and sorting (n=39) (initialization): time 0.0004127/0.1076, allocations: 245.6 kB / 431.4 MB, free: 14.71 MB / 366.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.595e-05/0.1076, allocations: 8 kB / 431.4 MB, free: 14.71 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.157e-06/0.1076, allocations: 4 kB / 431.4 MB, free: 14.7 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.541e-05/0.1077, allocations: 0 / 431.4 MB, free: 14.7 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001057/0.1078, allocations: 19.94 kB / 431.4 MB, free: 14.68 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.347e-06/0.1078, allocations: 3.984 kB / 431.4 MB, free: 14.68 MB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002207/0.108, allocations: 39.86 kB / 431.4 MB, free: 14.64 MB / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.481e-05/0.108, allocations: 12 kB / 431.5 MB, free: 14.63 MB / 366.1 MB Warning: Assuming fixed start value for the following 4 variables: locked:DISCRETE(start = lockedStart fixed = true ) \"whether the tap-changer/phase-shifter is locked\" type: Boolean valueUnderStop:DISCRETE(start = false fixed = true protected = true ) \"whether the monitored signal is under the stop limit\" type: Boolean valueAboveMax:DISCRETE(start = false fixed = true protected = true ) \"wheter the monitored signal is above the maximum limit\" type: Boolean running:DISCRETE(start = runningStart fixed = true ) \"whether the tap-changer/phase-shifter is running\" type: Boolean Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 39 ($PRE.locked,$PRE.valueUnderStop,$PRE.valueAboveMax,$PRE.running,tValueAboveMaxWhileRunning,$PRE.tValueAboveMaxWhileRunning,tTapMoved,$PRE.tTapMoved,lookingToDecreaseTap,lookingToIncreaseTap,tap,$PRE.tap,state,$PRE.state,$whenCondition18,$whenCondition17,$whenCondition16,$whenCondition15,$whenCondition14,$whenCondition13,$whenCondition12,$whenCondition11,$whenCondition10,$whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,$whenCondition21,$whenCondition20,$whenCondition19,valueAboveMax,valueUnderStop,locked,running) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (39): * Single equations (assignments): 39 * 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 0.0002293/0.1082, allocations: 161.6 kB / 431.6 MB, free: 14.46 MB / 366.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.789e-05/0.1083, allocations: 31.89 kB / 431.6 MB, free: 14.43 MB / 366.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001009/0.1084, allocations: 33.56 kB / 431.7 MB, free: 14.39 MB / 366.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.971e-06/0.1084, allocations: 4 kB / 431.7 MB, free: 14.39 MB / 366.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.959e-06/0.1084, allocations: 3.984 kB / 431.7 MB, free: 14.38 MB / 366.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.999e-06/0.1084, allocations: 11.91 kB / 431.7 MB, free: 14.37 MB / 366.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002372/0.1087, allocations: 185.2 kB / 431.9 MB, free: 14.16 MB / 366.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.933e-06/0.1087, allocations: 0 / 431.9 MB, free: 14.16 MB / 366.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 3.133e-05/0.1087, allocations: 15.98 kB / 431.9 MB, free: 14.14 MB / 366.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 6.482e-06/0.1087, allocations: 8 kB / 431.9 MB, free: 14.14 MB / 366.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.021e-05/0.1087, allocations: 23.95 kB / 431.9 MB, free: 14.11 MB / 366.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.803e-06/0.1087, allocations: 0 / 431.9 MB, free: 14.11 MB / 366.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.11e-07/0.1087, allocations: 0 / 431.9 MB, free: 14.11 MB / 366.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001532/0.1103, allocations: 1.505 MB / 433.4 MB, free: 12.54 MB / 366.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0001444/0.1104, allocations: 43.81 kB / 433.5 MB, free: 12.5 MB / 366.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.557e-05/0.1105, allocations: 19.97 kB / 433.5 MB, free: 12.48 MB / 366.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002337/0.1107, allocations: 51.81 kB / 433.5 MB, free: 12.43 MB / 366.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001964/0.1109, allocations: 83.81 kB / 433.6 MB, free: 12.35 MB / 366.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.526e-05/0.111, allocations: 47.95 kB / 433.7 MB, free: 12.3 MB / 366.1 MB Notification: Performance of sorting global known variables: time 7.974e-05/0.1111, allocations: 98.64 kB / 433.8 MB, free: 12.21 MB / 366.1 MB Notification: Performance of sort global known variables: time 9e-08/0.1111, allocations: 0 / 433.8 MB, free: 12.21 MB / 366.1 MB Notification: Performance of remove unused functions: time 0.0004215/0.1115, allocations: 79.97 kB / 433.8 MB, free: 12.13 MB / 366.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 30 ($whenCondition19,$whenCondition20,$whenCondition21,$whenCondition1,$whenCondition2,$whenCondition3,$whenCondition4,$whenCondition5,$whenCondition6,$whenCondition7,$whenCondition8,$whenCondition9,$whenCondition10,$whenCondition11,$whenCondition12,$whenCondition13,$whenCondition14,$whenCondition15,$whenCondition16,$whenCondition17,$whenCondition18,state,locked,tap,lookingToIncreaseTap,lookingToDecreaseTap,tTapMoved,valueUnderStop,valueAboveMax,tValueAboveMaxWhileRunning) * Number of discrete states: 6 (valueAboveMax,tap,locked,state,valueUnderStop,tTapMoved) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (30): * Single equations (assignments): 26 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 4 * 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 0.0001848/0.1117, allocations: 129.5 kB / 434 MB, free: 12 MB / 366.1 MB Notification: Performance of simCode: created initialization part: time 0.0005438/0.1122, allocations: 269 kB / 434.2 MB, free: 11.73 MB / 366.1 MB Notification: Performance of simCode: created event and clocks part: time 2.845e-06/0.1122, allocations: 0 / 434.2 MB, free: 11.73 MB / 366.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0002882/0.1125, allocations: 179.8 kB / 434.4 MB, free: 11.56 MB / 366.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003039/0.1128, allocations: 54.53 kB / 434.5 MB, free: 11.51 MB / 366.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001166/0.114, allocations: 0.6072 MB / 435.1 MB, free: 10.86 MB / 366.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001024/0.1141, allocations: 111.2 kB / 435.2 MB, free: 10.73 MB / 366.1 MB Notification: Performance of simCode: alias equations: time 0.0001062/0.1142, allocations: 29.95 kB / 435.2 MB, free: 10.7 MB / 366.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001244/0.1143, allocations: 48.45 kB / 435.3 MB, free: 10.66 MB / 366.1 MB Notification: Performance of SimCode: time 5.41e-07/0.1143, allocations: 0 / 435.3 MB, free: 10.66 MB / 366.1 MB Notification: Performance of Templates: time 0.008433/0.1228, allocations: 3.975 MB / 439.2 MB, free: 6.699 MB / 366.1 MB " [Timeout remaining time 660] make -j1 -f PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax.makefile [Timeout 660] (rm -f PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax.pipe ; mkfifo PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax.pipe ; head -c 1048576 < PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax.pipe >> ../files/PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax.sim & ./PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax -abortSlowSimulation -alarm=480 -s ida -emit_protected -lv LOG_STATS > PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax.pipe 2>&1) [Timeout 480] diffSimulationResults("PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/PowerGrids/PowerGrids.Electrical.Test.TestTapChangerLogicMax_res.mat","/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/files/PowerGrids_symb_jac_PowerGrids.Electrical.Test.TestTapChangerLogicMax.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: 4.789692273014225]