
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:30:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11545.39.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/grafo11545.39.lp
Reading time = 0.10 seconds
: 62727 rows, 1857 columns, 189624 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 62727 rows, 1857 columns and 189624 nonzeros
Model fingerprint: 0x377a2b66
Variable types: 39 continuous, 1818 integer (1818 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 17997 rows and 74 columns
Presolve time: 0.40s
Presolved: 44730 rows, 1783 columns, 136125 nonzeros
Variable types: 0 continuous, 1783 integer (1744 binary)
Root relaxation presolved: 26452 rows, 20061 columns, 99569 nonzeros


Root relaxation: objective 2.900000e+01, 2222 iterations, 0.87 seconds (0.81 work units)

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

     0     0   29.00000    0  286          -   29.00000      -     -    3s
H    0     0                      13.0000000   29.00000   123%     -    3s
H    0     0                      15.0000000   29.00000  93.3%     -    3s
     0     0   29.00000    0  524   15.00000   29.00000  93.3%     -    6s
     0     0   29.00000    0  498   15.00000   29.00000  93.3%     -    6s
     0     0   29.00000    0  296   15.00000   29.00000  93.3%     -   16s
H    0     0                      16.0000000   29.00000  81.2%     -   16s
     0     0   29.00000    0  257   16.00000   29.00000  81.2%     -   16s
     0     0   29.00000    0  180   16.00000   29.00000  81.2%     -   20s
     0     0   29.00000    0  185   16.00000   29.00000  81.2%     -   20s
     0     0   29.00000    0  265   16.00000   29.00000  81.2%     -   24s
     0     0   29.00000    0  195   16.00000   29.00000  81.2%     -   24s
     0     0   29.00000    0  309   16.00000   29.00000  81.2%     -   33s
     0     0   29.00000    0  257   16.00000   29.00000  81.2%     -   34s
     0     0   29.00000    0  304   16.00000   29.00000  81.2%     -   38s
     0     0   29.00000    0  294   16.00000   29.00000  81.2%     -   38s
     0     0   29.00000    0  226   16.00000   29.00000  81.2%     -   49s
     0     0   29.00000    0  226   16.00000   29.00000  81.2%     -   49s

Cutting planes:
  Clique: 3
  MIR: 5
  RLT: 8

Explored 1 nodes (77317 simplex iterations) in 50.03 seconds (48.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 16 15 13 

Time limit reached
Best objective 1.600000000000e+01, best bound 2.900000000000e+01, gap 81.2500%

Wrote result file './lp_solutions/grafo11545.39.sol'

