Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.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 0.001262/0.001262, allocations: 80.41 kB / 22.21 MB, free: 2.289 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 0.0009026/0.0009026, allocations: 168.4 kB / 25.61 MB, free: 8.906 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 0.8606/0.8606, allocations: 177.1 MB / 206 MB, free: 4.453 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 4.0.0-dev/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 4.0.0-dev/package.mo): time 0.08488/0.08488, allocations: 19.74 MB / 282.3 MB, free: 12.23 MB / 266.7 MB " [Timeout remaining time 180] Using package ThermoPower with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 4.0.0-dev/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(ThermoPower.Test.WaterComponents.TestMixerSlowFast,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast") translateModel(ThermoPower.Test.WaterComponents.TestMixerSlowFast,tolerance=1e-06,outputFormat="empty",numberOfIntervals=2500,variableFilter="",fileNamePrefix="ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast") [Timeout 660] "Notification: Performance of FrontEnd - loaded program: time 1.052e-06/1.052e-06, allocations: 0 / 359.2 MB, free: 44.13 MB / 314.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 9.257e-06/1.031e-05, allocations: 4.094 kB / 359.2 MB, free: 44.13 MB / 314.7 MB Notification: Performance of NFInst.instantiate(ThermoPower.Test.WaterComponents.TestMixerSlowFast): time 0.01042/0.01043, allocations: 15.82 MB / 375 MB, free: 29.04 MB / 314.7 MB Notification: Performance of NFInst.instExpressions: time 0.005986/0.01642, allocations: 9.013 MB / 384 MB, free: 20 MB / 314.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002499/0.01667, allocations: 19.81 kB / 384.1 MB, free: 19.98 MB / 314.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0003714/0.01704, allocations: 142.8 kB / 384.2 MB, free: 19.84 MB / 314.7 MB Notification: Performance of NFTyping.typeBindings: time 0.0003494/0.01739, allocations: 361.3 kB / 384.5 MB, free: 19.49 MB / 314.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.007101/0.02449, allocations: 4.524 MB / 389.1 MB, free: 14.95 MB / 314.7 MB Notification: Performance of NFFlatten.flatten: time 0.0007044/0.0252, allocations: 0.9998 MB / 390.1 MB, free: 13.95 MB / 314.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003049/0.0255, allocations: 273.2 kB / 390.3 MB, free: 13.67 MB / 314.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0003244/0.02582, allocations: 486.8 kB / 390.8 MB, free: 13.2 MB / 314.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002458/0.02607, allocations: 308.8 kB / 391.1 MB, free: 12.89 MB / 314.7 MB Notification: Performance of NFPackage.collectConstants: time 3.562e-05/0.02611, allocations: 36 kB / 391.2 MB, free: 12.86 MB / 314.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.006061/0.03217, allocations: 5.911 MB / 397.1 MB, free: 6.941 MB / 314.7 MB Notification: Performance of NFScalarize.scalarize: time 6.449e-05/0.03223, allocations: 95.59 kB / 397.2 MB, free: 6.848 MB / 314.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0001347/0.03237, allocations: 203.5 kB / 397.4 MB, free: 6.648 MB / 314.7 MB Notification: Performance of NFConvertDAE.convert: time 0.004139/0.03651, allocations: 4.642 MB / 402 MB, free: 1.996 MB / 314.7 MB Notification: Performance of FrontEnd - DAE generated: time 4.408e-06/0.03651, allocations: 4 kB / 402 MB, free: 1.992 MB / 314.7 MB Notification: Performance of FrontEnd: time 1.654e-06/0.03651, allocations: 4 kB / 402 MB, free: 1.988 MB / 314.7 MB Notification: Performance of Transformations before backend: time 5.59e-06/0.03652, allocations: 0 / 402 MB, free: 1.988 MB / 314.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 99 * Number of variables: 99 Notification: Performance of Generate backend data structure: time 0.001537/0.03805, allocations: 1.272 MB / 403.3 MB, free: 0.6758 MB / 314.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.352e-05/0.03809, allocations: 8.625 kB / 403.3 MB, free: 0.668 MB / 314.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002989/0.03839, allocations: 168.5 kB / 403.4 MB, free: 0.5039 MB / 314.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002782/0.03867, allocations: 334.7 kB / 403.8 MB, free: 152 kB / 314.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.77e-05/0.03868, allocations: 33.38 kB / 403.8 MB, free: 120 kB / 314.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.054e-05/0.03872, allocations: 40.38 kB / 403.8 MB, free: 80 kB / 314.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008549/0.03958, allocations: 0.6389 MB / 404.5 MB, free: 15.38 MB / 330.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.374e-05/0.03959, allocations: 7.938 kB / 404.5 MB, free: 15.37 MB / 330.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.523e-05/0.03962, allocations: 16 kB / 404.5 MB, free: 15.36 MB / 330.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.355e-06/0.03963, allocations: 8 kB / 404.5 MB, free: 15.35 MB / 330.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000584/0.04021, allocations: 363.1 kB / 404.9 MB, free: 15 MB / 330.7 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 0.001182/0.04139, allocations: 1.548 MB / 406.4 MB, free: 13.39 MB / 330.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006457/0.04204, allocations: 393.7 kB / 406.8 MB, free: 13 MB / 330.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 7.71e-05/0.04211, allocations: 76.33 kB / 406.9 MB, free: 12.93 MB / 330.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.02776/0.06987, allocations: 15.33 MB / 422.2 MB, free: 13.58 MB / 346.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.423e-05/0.06991, allocations: 41.38 kB / 422.2 MB, free: 13.53 MB / 346.7 MB Notification: Performance of pre-optimization done (n=28): time 2.124e-06/0.06991, allocations: 0 / 422.2 MB, free: 13.53 MB / 346.7 MB Notification: Performance of matching and sorting (n=31): time 0.00298/0.07289, allocations: 1.416 MB / 423.7 MB, free: 12.07 MB / 346.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 3.989e-05/0.07293, allocations: 106.8 kB / 423.8 MB, free: 11.94 MB / 346.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001919/0.07312, allocations: 346.5 kB / 424.1 MB, free: 11.58 MB / 346.7 MB Notification: Performance of collectPreVariables (initialization): time 2.909e-05/0.07315, allocations: 33.7 kB / 424.1 MB, free: 11.54 MB / 346.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0001241/0.07327, allocations: 295.3 kB / 424.4 MB, free: 11.25 MB / 346.7 MB Notification: Performance of collectInitialBindings (initialization): time 7.305e-05/0.07335, allocations: 126.9 kB / 424.6 MB, free: 11.12 MB / 346.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000114/0.07346, allocations: 103.1 kB / 424.7 MB, free: 11.01 MB / 346.7 MB Notification: Performance of setup shared object (initialization): time 0.0001245/0.07358, allocations: 0.5195 MB / 425.2 MB, free: 10.48 MB / 346.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001396/0.07372, allocations: 127.6 kB / 425.3 MB, free: 10.35 MB / 346.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001921/0.07392, allocations: 264.7 kB / 425.6 MB, free: 10.05 MB / 346.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0003074/0.07422, allocations: 341.3 kB / 425.9 MB, free: 9.691 MB / 346.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.264e-06/0.07423, allocations: 3.938 kB / 425.9 MB, free: 9.688 MB / 346.7 MB Notification: Performance of matching and sorting (n=41) (initialization): time 0.0009529/0.07518, allocations: 0.6602 MB / 426.6 MB, free: 9.016 MB / 346.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.465e-05/0.07519, allocations: 4 kB / 426.6 MB, free: 9.012 MB / 346.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.04e-06/0.0752, allocations: 0 / 426.6 MB, free: 9.012 MB / 346.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001148/0.07635, allocations: 0.5237 MB / 427.1 MB, free: 8.488 MB / 346.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.905e-05/0.07644, allocations: 35.92 kB / 427.1 MB, free: 8.453 MB / 346.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009548/0.07739, allocations: 1.181 MB / 428.3 MB, free: 7.242 MB / 346.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001378/0.07753, allocations: 11.94 kB / 428.3 MB, free: 7.23 MB / 346.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.951e-05/0.07756, allocations: 19.98 kB / 428.3 MB, free: 7.211 MB / 346.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002114/0.07777, allocations: 254.8 kB / 428.6 MB, free: 6.957 MB / 346.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001863/0.07796, allocations: 276.4 kB / 428.8 MB, free: 6.641 MB / 346.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002873/0.07824, allocations: 345.7 kB / 429.2 MB, free: 6.273 MB / 346.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.222e-06/0.07824, allocations: 0 / 429.2 MB, free: 6.273 MB / 346.7 MB Notification: Performance of matching and sorting (n=41) (initialization_lambda0): time 0.0008037/0.07905, allocations: 0.604 MB / 429.8 MB, free: 5.66 MB / 346.7 MB Notification: Performance of prepare postOptimizeDAE: time 9.889e-06/0.07906, allocations: 13.66 kB / 429.8 MB, free: 5.648 MB / 346.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.108e-06/0.07906, allocations: 3.984 kB / 429.8 MB, free: 5.645 MB / 346.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007905/0.07985, allocations: 467 kB / 430.3 MB, free: 5.188 MB / 346.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.828e-05/0.07994, allocations: 47.92 kB / 430.3 MB, free: 5.141 MB / 346.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0009401/0.08088, allocations: 1.141 MB / 431.5 MB, free: 3.969 MB / 346.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001137/0.08099, allocations: 19.92 kB / 431.5 MB, free: 3.949 MB / 346.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.689e-05/0.08102, allocations: 23.98 kB / 431.5 MB, free: 3.926 MB / 346.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 3 (Mixer1.fluidState.phase,PressDrop1.state.phase,Header1.fluidState.phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (20): * Single equations (assignments): 19 * 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 {(5,17)} Notification: Performance of prepare postOptimizeDAE: time 0.0001333/0.08115, allocations: 284 kB / 431.8 MB, free: 3.641 MB / 346.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.245e-05/0.08123, allocations: 51.77 kB / 431.8 MB, free: 3.59 MB / 346.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001499/0.08273, allocations: 1.628 MB / 433.4 MB, free: 1.949 MB / 346.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.376e-06/0.08273, allocations: 12 kB / 433.5 MB, free: 1.938 MB / 346.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.647e-06/0.08274, allocations: 3.938 kB / 433.5 MB, free: 1.934 MB / 346.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.07e-06/0.08274, allocations: 3.984 kB / 433.5 MB, free: 1.93 MB / 346.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00205/0.08479, allocations: 2.484 MB / 436 MB, free: 15.33 MB / 362.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.567e-06/0.0848, allocations: 0 / 436 MB, free: 15.33 MB / 362.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002834/0.08508, allocations: 71.89 kB / 436 MB, free: 15.26 MB / 362.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009752/0.08606, allocations: 302.7 kB / 436.3 MB, free: 14.96 MB / 362.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.918e-05/0.08607, allocations: 8 kB / 436.3 MB, free: 14.95 MB / 362.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001816/0.08789, allocations: 3.598 MB / 439.9 MB, free: 11.18 MB / 362.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.163e-06/0.08789, allocations: 0 / 439.9 MB, free: 11.18 MB / 362.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001662/0.08955, allocations: 2.118 MB / 442 MB, free: 9.035 MB / 362.7 MB Notification: Performance of postOpt removeConstants (simulation): time 3.868e-05/0.08959, allocations: 51.72 kB / 442.1 MB, free: 8.984 MB / 362.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.734e-05/0.08963, allocations: 8 kB / 442.1 MB, free: 8.977 MB / 362.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000135/0.08976, allocations: 19.97 kB / 442.1 MB, free: 8.957 MB / 362.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.042e-05/0.08983, allocations: 27.95 kB / 442.1 MB, free: 8.93 MB / 362.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.569e-05/0.08984, allocations: 7.984 kB / 442.2 MB, free: 8.922 MB / 362.7 MB Notification: Performance of sorting global known variables: time 9.986e-05/0.08994, allocations: 227 kB / 442.4 MB, free: 8.707 MB / 362.7 MB Notification: Performance of sort global known variables: time 3e-08/0.08994, allocations: 0 / 442.4 MB, free: 8.707 MB / 362.7 MB Notification: Performance of remove unused functions: time 0.001956/0.0919, allocations: 0.9672 MB / 443.3 MB, free: 7.738 MB / 362.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 4 (Mixer1.p,Mixer1.h,Header1.p,Header1.h) * Number of discrete variables: 4 ($cse2.phase,$cse2.region,$cse3.phase,$cse3.region) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (32): * Single equations (assignments): 27 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {2, 1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.002366/0.09426, allocations: 1.106 MB / 444.5 MB, free: 6.629 MB / 362.7 MB Notification: Performance of simCode: created initialization part: time 0.001125/0.09539, allocations: 0.6358 MB / 445.1 MB, free: 5.984 MB / 362.7 MB Notification: Performance of simCode: created event and clocks part: time 2.375e-06/0.09539, allocations: 0 / 445.1 MB, free: 5.984 MB / 362.7 MB Notification: Performance of simCode: created simulation system equations: time 0.0006995/0.09609, allocations: 418.8 kB / 445.5 MB, free: 5.547 MB / 362.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0006339/0.09672, allocations: 217.7 kB / 445.7 MB, free: 5.344 MB / 362.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001423/0.09815, allocations: 1.075 MB / 446.8 MB, free: 4.242 MB / 362.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 8.133e-05/0.09823, allocations: 134.7 kB / 446.9 MB, free: 4.09 MB / 362.7 MB Notification: Performance of simCode: alias equations: time 0.0001602/0.09839, allocations: 98.81 kB / 447 MB, free: 3.992 MB / 362.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002352/0.09862, allocations: 194.1 kB / 447.2 MB, free: 3.801 MB / 362.7 MB Notification: Performance of SimCode: time 7.92e-07/0.09862, allocations: 0 / 447.2 MB, free: 3.801 MB / 362.7 MB Notification: Performance of Templates: time 0.04268/0.1413, allocations: 45.87 MB / 493.1 MB, free: 6.07 MB / 410.7 MB " [Timeout remaining time 660] make -j1 -f ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.makefile [Timeout 660] (rm -f ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe ; mkfifo ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe ; head -c 1048576 < ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe >> ../files/ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.sim & ./ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast -abortSlowSimulation -alarm=240 -lv LOG_STATS > ThermoPower_4.0.0-dev_ThermoPower.Test.WaterComponents.TestMixerSlowFast.pipe 2>&1) [Timeout 240] [Calling sys.exit(0), Time elapsed: 5.271848879754543]