
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:55:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo542.12.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/grafo542.12.lp
Reading time = 0.01 seconds
: 6096 rows, 185 columns, 18336 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 6096 rows, 185 columns and 18336 nonzeros
Model fingerprint: 0x1fff7117
Variable types: 10 continuous, 175 integer (175 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 3075 rows and 1 columns
Presolve time: 0.03s
Presolved: 3021 rows, 184 columns, 9133 nonzeros
Variable types: 0 continuous, 184 integer (174 binary)

Root relaxation: objective 1.000000e+01, 143 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   10.00000    0   68          -   10.00000      -     -    0s
H    0     0                       3.0000000   10.00000   233%     -    0s
H    0     0                       4.0000000   10.00000   150%     -    0s
     0     0   10.00000    0   83    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   82    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   73    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   69    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   66    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   67    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   64    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   59    5.00000   10.00000   100%     -    0s
     0     0    9.83333    0   76    5.00000    9.83333  96.7%     -    0s
     0     0    9.75000    0   75    5.00000    9.75000  95.0%     -    0s
     0     0    9.50000    0   79    5.00000    9.50000  90.0%     -    0s
     0     0    9.50000    0   74    5.00000    9.50000  90.0%     -    0s
     0     2    9.50000    0   71    5.00000    9.50000  90.0%     -    0s
H 1506   821                       6.0000000    9.50000  58.3%  35.7    2s
  3616   549    7.00000   32   67    6.00000    7.50000  25.0%  31.2    5s

Cutting planes:
  Cover: 1
  MIR: 1
  Inf proof: 6
  RLT: 5

Explored 6905 nodes (202979 simplex iterations) in 7.14 seconds (5.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 6 5 5 ... 3

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/grafo542.12.sol'

