
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 01:05:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo449.18.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo449.18.lp
Reading time = 0.20 seconds
: 120133 rows, 766 columns, 360997 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 120133 rows, 766 columns and 360997 nonzeros
Model fingerprint: 0x39c35606
Variable types: 25 continuous, 741 integer (741 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Presolve removed 61656 rows and 3 columns
Presolve time: 0.78s
Presolved: 58477 rows, 763 columns, 176204 nonzeros
Variable types: 0 continuous, 763 integer (738 binary)
Root relaxation presolved: 759 rows, 59236 columns, 176967 nonzeros


Root relaxation: objective 3.000000e+01, 1052 iterations, 0.54 seconds (0.60 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   30.00000    0  223          -   30.00000      -     -    3s
H    0     0                       3.0000000   30.00000   900%     -    3s
H    0     0                       5.0000000   30.00000   500%     -    3s
H    0     0                       6.0000000   30.00000   400%     -    4s
     0     0   30.00000    0  381    6.00000   30.00000   400%     -    7s
H    0     0                       8.0000000   30.00000   275%     -    7s
     0     0   30.00000    0  368    8.00000   30.00000   275%     -    7s
     0     0   30.00000    0  193    8.00000   30.00000   275%     -   13s
     0     0   30.00000    0  187    8.00000   30.00000   275%     -   14s
     0     0   30.00000    0  217    8.00000   30.00000   275%     -   20s
     0     0   30.00000    0  183    8.00000   30.00000   275%     -   21s
     0     0   30.00000    0  230    8.00000   30.00000   275%     -   26s
     0     0   30.00000    0  204    8.00000   30.00000   275%     -   27s
     0     0   30.00000    0  329    8.00000   30.00000   275%     -   33s
     0     0   30.00000    0  294    8.00000   30.00000   275%     -   33s
     0     0   30.00000    0  320    8.00000   30.00000   275%     -   38s
     0     0   30.00000    0  315    8.00000   30.00000   275%     -   38s
     0     0   30.00000    0  209    8.00000   30.00000   275%     -   46s
     0     0   30.00000    0  208    8.00000   30.00000   275%     -   48s

Cutting planes:
  Clique: 2
  MIR: 3
  RLT: 4

Explored 1 nodes (35885 simplex iterations) in 50.04 seconds (52.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 6 5 3 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.000000000000e+01, gap 275.0000%

Wrote result file './lp_solutions/grafo449.18.sol'

