
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:32:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2265.12.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/grafo2265.12.lp
Reading time = 0.01 seconds
: 3382 rows, 208 columns, 10199 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 3382 rows, 208 columns and 10199 nonzeros
Model fingerprint: 0x4bc988cb
Variable types: 12 continuous, 196 integer (196 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 1492 rows and 7 columns
Presolve time: 0.02s
Presolved: 1890 rows, 201 columns, 5844 nonzeros
Variable types: 0 continuous, 201 integer (189 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 9.000000e+00, 204 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    9.00000    0   61    2.00000    9.00000   350%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
     0     0    9.00000    0   90    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   88    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   58    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   65    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   62    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   59    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   74    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   58    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   64    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   71    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   77    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   59    4.00000    9.00000   125%     -    0s
     0     2    9.00000    0   59    4.00000    9.00000   125%     -    0s
H  577   408                       5.0000000    9.00000  80.0%  68.3    1s
H  906   471                       6.0000000    9.00000  50.0%  60.5    1s
  2554   967    7.50000   34   79    6.00000    8.66667  44.4%  61.1    5s
  7150  1484     cutoff   41         6.00000    8.00000  33.3%  66.7   11s
 13304  1043    7.00000   44   76    6.00000    7.00000  16.7%  65.1   15s
 17503   507     cutoff   44         6.00000    7.00000  16.7%  71.2   20s

Cutting planes:
  Cover: 1
  MIR: 6
  Inf proof: 1
  RLT: 2

Explored 22544 nodes (1668389 simplex iterations) in 23.35 seconds (20.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 6 6 6 ... 2

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/grafo2265.12.sol'

