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                      SDDP.jl (c) Oscar Dowson, 2017-21

Problem
  Nodes           : 60
  State variables : 4
  Scenarios       : 8.22275e+112
  Existing cuts   : false
  Subproblem structure                      : (min, max)
    Variables                               : (157, 157)
    VariableRef in MOI.LessThan{Float64}    : (144, 145)
    VariableRef in MOI.GreaterThan{Float64} : (149, 149)
    AffExpr in MOI.EqualTo{Float64}         : (9, 9)
Options
  Solver          : serial mode
  Risk measure    : SDDP.Expectation()
  Sampling scheme : SDDP.InSampleMonteCarlo

Numerical stability report
  Non-zero Matrix range     [1e+00, 1e+00]
  Non-zero Objective range  [4e-06, 1e+00]
  Non-zero Bounds range     [7e-01, 2e+05]
  Non-zero RHS range        [7e+03, 5e+04]
WARNING: numerical stability issues detected
  - Objective range contains small coefficients
Very large or small absolute values of coefficients
can cause numerical stability issues. Consider
reformulating the model.

 Iteration    Simulation       Bound         Time (s)    Proc. ID   # Solves
        1    1.398493e+05   2.346495e+02   1.508676e+00          1       4899
        2    8.518593e+04   1.606887e+04   2.951840e+00          1       9798
        3    9.878621e+04   1.606887e+04   4.403921e+00          1      14697
        4    9.082769e+04   3.514318e+04   5.844832e+00          1      19596
        5    6.457619e+04   3.514780e+04   7.263595e+00          1      24495
        6    5.677774e+04   3.538514e+04   8.698763e+00          1      29394
        7    4.769209e+04   3.550290e+04   1.015072e+01          1      34293
        8    4.268731e+04   4.159832e+04   1.161023e+01          1      39192
        9    8.420316e+04   4.167732e+04   1.307512e+01          1      44091
       10    6.696098e+04   4.167732e+04   1.450728e+01          1      48990
       11    6.708248e+04   4.816518e+04   1.597330e+01          1      53889
       12    7.548815e+04   4.817688e+04   1.742147e+01          1      58788
       13    5.755903e+04   4.817922e+04   1.889359e+01          1      63687
       14    6.151976e+04   4.818366e+04   2.039722e+01          1      68586
       15    7.348987e+04   4.819556e+04   2.193104e+01          1      73485
       16    7.146053e+04   4.819556e+04   2.340517e+01          1      78384
       17    6.100581e+04   5.032835e+04   2.487191e+01          1      83283
       18    7.349894e+04   5.092937e+04   2.635835e+01          1      88182
       19    7.181237e+04   5.092962e+04   2.779969e+01          1      93081
       20    4.281266e+04   5.094330e+04   2.927928e+01          1      97980
       21    5.270971e+04   5.192034e+04   3.076506e+01          1     102879
       22    5.217497e+04   5.193025e+04   3.223375e+01          1     107778
       23    5.733050e+04   5.194656e+04   3.368285e+01          1     112677
       24    8.357232e+04   5.197757e+04   3.517101e+01          1     117576
       25    7.392448e+04   5.208841e+04   3.666640e+01          1     122475
       26    5.872525e+04   5.208885e+04   3.815889e+01          1     127374
       27    5.494182e+04   5.210207e+04   3.963230e+01          1     132273
       28    5.873464e+04   5.344233e+04   4.110725e+01          1     137172
       29    4.863533e+04   5.352727e+04   4.259626e+01          1     142071
       30    6.268506e+04   5.364815e+04   4.416738e+01          1     146970
       31    7.682040e+04   5.365311e+04   4.563306e+01          1     151869
       32    9.797990e+04   5.380779e+04   4.713114e+01          1     156768
       33    4.276876e+04   5.382059e+04   4.862890e+01          1     161667
       34    5.020431e+04   5.382059e+04   5.012666e+01          1     166566
       35    5.978380e+04   5.382999e+04   5.162663e+01          1     171465
       36    6.550167e+04   5.383016e+04   5.309221e+01          1     176364
       37    5.316701e+04   5.395664e+04   5.458977e+01          1     181263
       38    4.809499e+04   5.403644e+04   5.609101e+01          1     186162
       39    6.814212e+04   5.403680e+04   5.758918e+01          1     191061
       40    5.074424e+04   5.403716e+04   5.907456e+01          1     195960
       41    5.260157e+04   5.403894e+04   6.059114e+01          1     200859
       42    5.219740e+04   5.406300e+04   6.210562e+01          1     205758
       43    4.692457e+04   5.412105e+04   6.360987e+01          1     210657
       44    4.943288e+04   5.436094e+04   6.508751e+01          1     215556
       45    7.379842e+04   5.438884e+04   6.660316e+01          1     220455
       46    4.581428e+04   5.445256e+04   6.811603e+01          1     225354
       47    5.661281e+04   5.446131e+04   6.961750e+01          1     230253
       48    6.540140e+04   5.446273e+04   7.109665e+01          1     235152
       49    3.983231e+04   5.450669e+04   7.259906e+01          1     240051
       50    6.227206e+04   5.452601e+04   7.412185e+01          1     244950
       51    4.914168e+04   5.462870e+04   7.564306e+01          1     249849
       52    5.018483e+04   5.469595e+04   7.712799e+01          1     254748
       53    6.844973e+04   5.478506e+04   7.864126e+01          1     259647
       54    5.956192e+04   5.548182e+04   8.015946e+01          1     264546
       55    6.266145e+04   5.549528e+04   8.167799e+01          1     269445
       56    6.706950e+04   5.550208e+04   8.316825e+01          1     274344
       57    5.886056e+04   5.550226e+04   8.469379e+01          1     279243
       58    4.690207e+04   5.551106e+04   8.621771e+01          1     284142
       59    6.242549e+04   5.552371e+04   8.774750e+01          1     289041
       60    7.257959e+04   5.552583e+04   8.924786e+01          1     293940
       61    4.108681e+04   5.552591e+04   9.079808e+01          1     298839
       62    5.074180e+04   5.552827e+04   9.233184e+01          1     303738
       63    5.835858e+04   5.563221e+04   9.385842e+01          1     308637
       64    4.207881e+04   5.563420e+04   9.536803e+01          1     313536
       65    6.781073e+04   5.563423e+04   9.690900e+01          1     318435
       66    4.894423e+04   5.563426e+04   9.844515e+01          1     323334
       67    7.052670e+04   5.568793e+04   9.997937e+01          1     328233
       68    6.181682e+04   5.568794e+04   1.014757e+02          1     333132
       69    4.128049e+04   5.569992e+04   1.030163e+02          1     338031
       70    4.701346e+04   5.573769e+04   1.045836e+02          1     342930
       71    6.293957e+04   5.574060e+04   1.061245e+02          1     347829
       72    5.512510e+04   5.575147e+04   1.076469e+02          1     352728
       73    8.552814e+04   5.575148e+04   1.091955e+02          1     357627
       74    4.430897e+04   5.575150e+04   1.107424e+02          1     362526
       75    4.600604e+04   5.575808e+04   1.122601e+02          1     367425
       76    6.985215e+04   5.578724e+04   1.138163e+02          1     372324
       77    5.285588e+04   5.578725e+04   1.153715e+02          1     377223
       78    5.276414e+04   5.578726e+04   1.169170e+02          1     382122
       79    5.572522e+04   5.578727e+04   1.184429e+02          1     387021
       80    4.179337e+04   5.578747e+04   1.199947e+02          1     391920
       81    5.386090e+04   5.579299e+04   1.216278e+02          1     396819
       82    6.065084e+04   5.580279e+04   1.232904e+02          1     401718
       83    4.463671e+04   5.580911e+04   1.249106e+02          1     406617
       84    5.441969e+04   5.582159e+04   1.265624e+02          1     411516
       85    5.133775e+04   5.582631e+04   1.282111e+02          1     416415
       86    5.750377e+04   5.582919e+04   1.298382e+02          1     421314
       87    6.407900e+04   5.583313e+04   1.314400e+02          1     426213
       88    8.747792e+04   5.583558e+04   1.330234e+02          1     431112
       89    6.627421e+04   5.583789e+04   1.345846e+02          1     436011
       90    6.056834e+04   5.583964e+04   1.360904e+02          1     440910
       91    6.987498e+04   5.584183e+04   1.376439e+02          1     445809
       92    5.532228e+04   5.585014e+04   1.391892e+02          1     450708
       93    5.714834e+04   5.586687e+04   1.407516e+02          1     455607
       94    5.929438e+04   5.588361e+04   1.422716e+02          1     460506
       95    5.609900e+04   5.589355e+04   1.438278e+02          1     465405
       96    8.885442e+04   5.589985e+04   1.453964e+02          1     470304
       97    7.657748e+04   5.590727e+04   1.469734e+02          1     475203
       98    5.041210e+04   5.592035e+04   1.485021e+02          1     480102
       99    5.599262e+04   5.592062e+04   1.500557e+02          1     485001
      100    6.027216e+04   5.593223e+04   1.516301e+02          1     489900
      101    7.100951e+04   5.593245e+04   1.531513e+02          1     494799
      102    6.986854e+04   5.593693e+04   1.547149e+02          1     499698
      103    7.021402e+04   5.595497e+04   1.562761e+02          1     504597
      104    6.697065e+04   5.595504e+04   1.578455e+02          1     509496
      105    5.919962e+04   5.598729e+04   1.593704e+02          1     514395
      106    5.774830e+04   5.599325e+04   1.609531e+02          1     519294
      107    7.941013e+04   5.599742e+04   1.625180e+02          1     524193
      108    4.170219e+04   5.606497e+04   1.640504e+02          1     529092
      109    5.603635e+04   5.607380e+04   1.656323e+02          1     533991
      110    5.922293e+04   5.607400e+04   1.672023e+02          1     538890
      111    3.987777e+04   5.607425e+04   1.687585e+02          1     543789
      112    4.505423e+04   5.607835e+04   1.702736e+02          1     548688
      113    5.993987e+04   5.608036e+04   1.718409e+02          1     553587
      114    5.543499e+04   5.608690e+04   1.734170e+02          1     558486
      115    5.326468e+04   5.608752e+04   1.749574e+02          1     563385
      116    6.813924e+04   5.609756e+04   1.765324e+02          1     568284
      117    5.028683e+04   5.609917e+04   1.781008e+02          1     573183
      118    5.731942e+04   5.610256e+04   1.796984e+02          1     578082
      119    5.471771e+04   5.610584e+04   1.812363e+02          1     582981
      120    4.957311e+04   5.613807e+04   1.828137e+02          1     587880
      121    3.768610e+04   5.614346e+04   1.843805e+02          1     592779
      122    6.113745e+04   5.617223e+04   1.859104e+02          1     597678
      123    8.928931e+04   5.617977e+04   1.874930e+02          1     602577
      124    5.988563e+04   5.618384e+04   1.890679e+02          1     607476
      125    4.803494e+04   5.618675e+04   1.906449e+02          1     612375
      126    7.578304e+04   5.618783e+04   1.922086e+02          1     617274
      127    6.629636e+04   5.618899e+04   1.937888e+02          1     622173
      128    5.063421e+04   5.620259e+04   1.953822e+02          1     627072
      129    3.650785e+04   5.621730e+04   1.969100e+02          1     631971
      130    8.599999e+04   5.621874e+04   1.984867e+02          1     636870
      131    6.619032e+04   5.636350e+04   2.000625e+02          1     641769
      132    3.865673e+04   5.636458e+04   2.016034e+02          1     646668
      133    5.280246e+04   5.636460e+04   2.031803e+02          1     651567
      134    5.421746e+04   5.636464e+04   2.047651e+02          1     656466
      135    7.609926e+04   5.637176e+04   2.063420e+02          1     661365
      136    5.891810e+04   5.638809e+04   2.078809e+02          1     666264
      137    6.628659e+04   5.638967e+04   2.094762e+02          1     671163
      138    5.477973e+04   5.640891e+04   2.110621e+02          1     676062
      139    7.432434e+04   5.641197e+04   2.126014e+02          1     680961
      140    5.286303e+04   5.641942e+04   2.141672e+02          1     685860
      141    4.879578e+04   5.642788e+04   2.157558e+02          1     690759
      142    5.612265e+04   5.645736e+04   2.173161e+02          1     695658
      143    5.853266e+04   5.646369e+04   2.188865e+02          1     700557
      144    6.352848e+04   5.646435e+04   2.204780e+02          1     705456
      145    4.012306e+04   5.649362e+04   2.220453e+02          1     710355
      146    5.248254e+04   5.649739e+04   2.235950e+02          1     715254
      147    7.786050e+04   5.651197e+04   2.251893e+02          1     720153
      148    5.769101e+04   5.651560e+04   2.267856e+02          1     725052
      149    6.751818e+04   5.652066e+04   2.283544e+02          1     729951
      150    5.796640e+04   5.652684e+04   2.299246e+02          1     734850
      151    5.672996e+04   5.652686e+04   2.315107e+02          1     739749
      152    4.898504e+04   5.652688e+04   2.330712e+02          1     744648
      153    6.330691e+04   5.655031e+04   2.346589e+02          1     749547
      154    9.598428e+04   5.655627e+04   2.362445e+02          1     754446
      155    5.162983e+04   5.656096e+04   2.378085e+02          1     759345
      156    5.575056e+04   5.656104e+04   2.394291e+02          1     764244
      157    5.014619e+04   5.656112e+04   2.410272e+02          1     769143
      158    5.174650e+04   5.656501e+04   2.426324e+02          1     774042
      159    4.635479e+04   5.656977e+04   2.441868e+02          1     778941
      160    5.434415e+04   5.657275e+04   2.457809e+02          1     783840
      161    5.304597e+04   5.657938e+04   2.473825e+02          1     788739
      162    4.971057e+04   5.658077e+04   2.489535e+02          1     793638
      163    4.381667e+04   5.658479e+04   2.505506e+02          1     798537

Terminating training
  Status         : bound_stalling
  Total time (s) : 2.505506e+02
  Total solves   : 798537
  Best bound     :  5.658479e+04
  Simulation CI  :  6.008228e+04 ± 2.183208e+03
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