
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:50:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo405.16.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/grafo405.16.lp
Reading time = 0.01 seconds
: 2732 rows, 252 columns, 8235 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 2732 rows, 252 columns and 8235 nonzeros
Model fingerprint: 0xd10a1aab
Variable types: 12 continuous, 240 integer (240 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]
Found heuristic solution: objective 1.0000000
Presolve removed 771 rows and 9 columns
Presolve time: 0.02s
Presolved: 1961 rows, 243 columns, 6003 nonzeros
Variable types: 0 continuous, 243 integer (231 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.100000e+01, 158 iterations, 0.01 seconds (0.01 work units)

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

     0     0   11.00000    0   70    2.00000   11.00000   450%     -    0s
H    0     0                       3.0000000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
     0     0   11.00000    0  112    4.00000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   57    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   60    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   78    5.00000   11.00000   120%     -    0s
     0     0   10.66667    0   68    5.00000   10.66667   113%     -    0s
     0     0   10.66667    0   71    5.00000   10.66667   113%     -    0s
     0     0   10.66667    0   60    5.00000   10.66667   113%     -    0s
     0     0   10.66667    0   72    5.00000   10.66667   113%     -    0s
     0     0   10.66667    0   62    5.00000   10.66667   113%     -    0s
     0     0   10.66667    0   71    5.00000   10.66667   113%     -    0s
     0     0   10.66667    0   71    5.00000   10.66667   113%     -    0s
     0     2   10.66667    0   71    5.00000   10.66667   113%     -    1s
* 1671   580              25       6.0000000   10.00000  66.7%  46.8    4s
  2095   657    7.00000   19  141    6.00000    9.87500  64.6%  50.6    5s
  3279   588 infeasible   19         6.00000    9.00000  50.0%  53.1   10s
  5594    75    7.00000   26  104    6.00000    7.00000  16.7%  63.9   15s

Cutting planes:
  Cover: 1
  MIR: 2
  Inf proof: 7
  RLT: 3

Explored 6004 nodes (398819 simplex iterations) in 16.40 seconds (7.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 6 6 6 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo405.16.sol'

