Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase9.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "[:1:22-1:33:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 13743895347 into a real Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.0002387/0.0002387, allocations: 0 / 0, free: 0 / 0 " [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 0.0002061/0.0002061, allocations: 0 / 0, free: 0 / 0 " [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 0.1541/0.1541, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo", uses=false) [Timeout 180] "[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/IBPSA/ThermalZones/ISO13790/Validation/BESTEST/Data/Case600Results.mo:4:46-4:57:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 20552400000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/IBPSA/ThermalZones/ISO13790/Validation/BESTEST/Data/Case600Results.mo:5:46-5:57:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 15465600000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/IBPSA/ThermalZones/ISO13790/Validation/BESTEST/Data/Case600Results.mo:6:47-6:58:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 26200800000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/IBPSA/ThermalZones/ISO13790/Validation/BESTEST/Data/Case600Results.mo:7:47-7:58:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 22093200000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/IBPSA/ThermalZones/ISO13790/Validation/BESTEST/Case900.mo:7:15-7:25:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 7347600000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/IBPSA/ThermalZones/ISO13790/Validation/BESTEST/Case900.mo:8:15-8:25:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 4212000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/IBPSA/ThermalZones/ISO13790/Validation/BESTEST/Case900.mo:9:16-9:27:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 11394000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/IBPSA/ThermalZones/ISO13790/Validation/BESTEST/Case900.mo:10:16-10:26:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 7686000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/Systems/HVAC/Production/WoodHeating/Logs/LogStove.mo:74:18-74:29:writable] Warning: Modelica only supports 32-bit signed integers! Transforming: 51300000000 into a real [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/package.mo): time 0.1769/0.1769, allocations: 0 / 0, free: 0 / 0 [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:44:3-56:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:58:3-65:19:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:67:3-72:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/BoundaryConditions/Scenarios/CombiTimeTable.mo:74:3-79:20:writable] Warning: External function annotation should occur on the external-clause, not on the function. " [Timeout remaining time 180] Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.7.0/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: simulate(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase9,startTime=0,stopTime=5.184e+06,tolerance=1e-06,numberOfIntervals=86400,outputFormat="empty",variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase9",simflags="-abortSlowSimulation -alarm=240 -lv LOG_STATS") simulate(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase9,startTime=0,stopTime=5.184e+06,tolerance=1e-06,numberOfIntervals=86400,outputFormat="empty",variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase9",simflags="-abortSlowSimulation -alarm=240 -lv LOG_STATS") [Timeout 900] "Notification: Performance of FrontEnd - loaded program: time 5.31e-07/5.31e-07, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - Absyn->SCode: time 1.015e-05/1.068e-05, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.ThermalZones.ReducedOrder.Validation.VDI6007.TestCase9): time 0.1859/0.1859, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.instExpressions: time 0.03114/0.2171, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFInst.updateImplicitVariability: time 0.002472/0.2195, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeComponents: time 0.004259/0.2238, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeBindings: time 0.003951/0.2277, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFTyping.typeClassSections: time 0.001942/0.2297, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.flatten: time 0.003086/0.2328, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.resolveConnections: time 0.001341/0.2341, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFEvalConstants.evaluate: time 0.002347/0.2365, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFSimplifyModel.simplify: time 0.001914/0.2384, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFPackage.collectConstants: time 0.0001655/0.2385, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFFlatten.collectFunctions: time 0.0003365/0.2389, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFScalarize.scalarize: time 0.0006738/0.2395, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFVerifyModel.verify: time 0.0007642/0.2403, allocations: 0 / 0, free: 0 / 0 Notification: Performance of NFConvertDAE.convert: time 0.00209/0.2424, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd - DAE generated: time 0.0002632/0.2427, allocations: 0 / 0, free: 0 / 0 Notification: Performance of FrontEnd: time 3.086e-06/0.2427, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Transformations before backend: time 1.702e-05/0.2427, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 214 * Number of variables: 214 Notification: Performance of Generate backend data structure: time 0.003602/0.2463, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare preOptimizeDAE: time 0.0002126/0.2465, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003651/0.2469, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evaluateParameters (simulation): time 0.001617/0.2485, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001529/0.2486, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001386/0.2488, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt clockPartitioning (simulation): time 0.001048/0.2498, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt findStateOrder (simulation): time 2.621e-05/0.2498, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.397e-05/0.2499, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.021e-05/0.2499, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005104/0.2505, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003774/0.2542, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt comSubExp (simulation): time 0.0008005/0.255, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt resolveLoops (simulation): time 0.0003308/0.2554, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt evalFunc (simulation): time 4.995e-05/0.2554, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006212/0.256, allocations: 0 / 0, free: 0 / 0 Notification: Performance of pre-optimization done (n=101): time 1.089e-05/0.256, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=101): time 0.002333/0.2584, allocations: 0 / 0, free: 0 / 0 Notification: Performance of inlineWhenForInitialization (initialization): time 4.298e-05/0.2584, allocations: 0 / 0, free: 0 / 0 Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002753/0.2612, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectPreVariables (initialization): time 0.0001257/0.2613, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialEqns (initialization): time 0.00043/0.2617, allocations: 0 / 0, free: 0 / 0 Notification: Performance of collectInitialBindings (initialization): time 0.000249/0.262, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002411/0.2622, allocations: 0 / 0, free: 0 / 0 Notification: Performance of setup shared object (initialization): time 3.138e-05/0.2622, allocations: 0 / 0, free: 0 / 0 Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002001/0.2624, allocations: 0 / 0, free: 0 / 0 Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002604/0.2627, allocations: 0 / 0, free: 0 / 0 Notification: Performance of analyzeInitialSystem (initialization): time 0.0005305/0.2632, allocations: 0 / 0, free: 0 / 0 Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.858e-06/0.2632, allocations: 0 / 0, free: 0 / 0 Notification: Performance of matching and sorting (n=130) (initialization): time 0.001171/0.2644, allocations: 0 / 0, free: 0 / 0 Notification: Performance of prepare postOptimizeDAE: time 2.475e-05/0.2644, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.169e-05/0.2645, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (initialization): time 0.0004371/0.2649, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005546/0.2654, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002359/0.2678, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005195/0.2683, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.992e-05/0.2684, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 16 * Number of states: 0 () * Number of discrete variables: 41 (assEqu.nFai,$PRE.assEqu.nFai,$whenCondition9,$PRE.intGai.nextTimeEvent,$whenCondition8,$PRE.reference.nextTimeEvent,$whenCondition7,$PRE.outdoorTemp.nextTimeEvent,$whenCondition6,$PRE.tableSolRadWindow.nextTimeEvent,$whenCondition5,$PRE.tableSolRadWall.nextTimeEvent,$whenCondition4,$PRE.HSky.nextTimeEvent,$whenCondition3,$whenCondition1,mean.y_last,$PRE.mean.y_last,assEqu.satisfied,$PRE.assEqu.satisfied,reference.nextTimeEventScaled,$PRE.reference.nextTimeEventScaled,reference.nextTimeEvent,$whenCondition2,HSky.nextTimeEventScaled,$PRE.HSky.nextTimeEventScaled,HSky.nextTimeEvent,tableSolRadWall.nextTimeEventScaled,$PRE.tableSolRadWall.nextTimeEventScaled,tableSolRadWall.nextTimeEvent,greaterThreshold2.y,greaterThreshold1.y,tableSolRadWindow.nextTimeEventScaled,$PRE.tableSolRadWindow.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,outdoorTemp.nextTimeEventScaled,$PRE.outdoorTemp.nextTimeEventScaled,outdoorTemp.nextTimeEvent,intGai.nextTimeEventScaled,$PRE.intGai.nextTimeEventScaled,intGai.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (108): * Single equations (assignments): 106 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,3,100.0%), (2,18,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0006237/0.269, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002368/0.2693, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001428/0.2707, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.12e-05/0.2707, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt constantLinearSystem (simulation): time 7.645e-06/0.2707, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.103e-05/0.2707, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002614/0.2733, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.274e-06/0.2733, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004297/0.2738, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt tearingSystem (simulation): time 0.0007502/0.2745, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.064e-05/0.2746, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0024/0.277, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.365e-06/0.277, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001468/0.2785, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt removeConstants (simulation): time 0.0005385/0.279, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006188/0.2796, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004347/0.28, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000266/0.2803, allocations: 0 / 0, free: 0 / 0 Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.147e-05/0.2804, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sorting global known variables: time 0.001594/0.282, allocations: 0 / 0, free: 0 / 0 Notification: Performance of sort global known variables: time 0.000118/0.2821, allocations: 0 / 0, free: 0 / 0 Notification: Performance of remove unused functions: time 0.001241/0.2833, allocations: 0 / 0, free: 0 / 0 Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (thermalZoneTwoElements.extWallRC.thermCapExt[1].T,thermalZoneTwoElements.intWallRC.thermCapInt[1].T,assEqu.diff,mean.x) * Number of discrete variables: 26 ($whenCondition9,$whenCondition8,$whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,intGai.nextTimeEvent,intGai.nextTimeEventScaled,reference.nextTimeEvent,reference.nextTimeEventScaled,outdoorTemp.nextTimeEvent,outdoorTemp.nextTimeEventScaled,tableSolRadWindow.nextTimeEvent,tableSolRadWindow.nextTimeEventScaled,greaterThreshold1.y,greaterThreshold2.y,tableSolRadWall.nextTimeEvent,tableSolRadWall.nextTimeEventScaled,HSky.nextTimeEvent,HSky.nextTimeEventScaled,assEqu.satisfied,assEqu.nFai,mean.y_last) * Number of discrete states: 15 (intGai.nextTimeEvent,reference.nextTimeEvent,outdoorTemp.nextTimeEvent,tableSolRadWindow.nextTimeEvent,tableSolRadWall.nextTimeEvent,HSky.nextTimeEvent,mean.x,assEqu.satisfied,assEqu.nFai,HSky.nextTimeEventScaled,tableSolRadWall.nextTimeEventScaled,tableSolRadWindow.nextTimeEventScaled,outdoorTemp.nextTimeEventScaled,reference.nextTimeEventScaled,intGai.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (89): * Single equations (assignments): 73 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 14 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(2,18,100.0%), (1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0009175/0.2843, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created initialization part: time 0.00101/0.2853, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created event and clocks part: time 2.885e-06/0.2853, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created simulation system equations: time 0.0005587/0.2858, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00178/0.2876, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005389/0.293, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009614/0.294, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: alias equations: time 0.0004443/0.2944, allocations: 0 / 0, free: 0 / 0 Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006763/0.2951, allocations: 0 / 0, free: 0 / 0 Notification: Performance of SimCode: time 5.068e-05/0.2951, allocations: 0 / 0, free: 0 / 0 Notification: Performance of Templates: time 0.008138/0.3033, allocations: 0 / 0, free: 0 / 0 " [Timeout remaining time 899] [Calling sys.exit(0), Time elapsed: 1.7826796481385827]