
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:53:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6121.33.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/grafo6121.33.lp
Reading time = 0.09 seconds
: 55565 rows, 1357 columns, 167612 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 55565 rows, 1357 columns and 167612 nonzeros
Model fingerprint: 0x77e24388
Variable types: 33 continuous, 1324 integer (1324 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 18922 rows and 12 columns
Presolve time: 0.38s
Presolved: 36643 rows, 1345 columns, 111219 nonzeros
Variable types: 0 continuous, 1345 integer (1312 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 25731 rows, 12257 columns, 89395 nonzeros


Root relaxation: objective 3.100000e+01, 1570 iterations, 0.54 seconds (0.58 work units)

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

     0     0   31.00000    0  274    5.00000   31.00000   520%     -    2s
H    0     0                       8.0000000   31.00000   287%     -    2s
     0     0   31.00000    0  566    8.00000   31.00000   287%     -    6s
     0     0   31.00000    0  543    8.00000   31.00000   287%     -    7s
     0     0   31.00000    0  315    8.00000   31.00000   287%     -   20s
H    0     0                       9.0000000   31.00000   244%     -   20s
     0     0   31.00000    0  433    9.00000   31.00000   244%     -   21s
     0     0   31.00000    0  357    9.00000   31.00000   244%     -   31s
     0     0   31.00000    0  337    9.00000   31.00000   244%     -   32s
H    0     0                      10.0000000   31.00000   210%     -   38s
     0     0   31.00000    0  358   10.00000   31.00000   210%     -   38s
     0     0   31.00000    0  339   10.00000   31.00000   210%     -   39s
     0     0   31.00000    0  333   10.00000   31.00000   210%     -   44s
     0     0   31.00000    0  317   10.00000   31.00000   210%     -   45s
     0     0   31.00000    0  462   10.00000   31.00000   210%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 29
  Clique: 15
  MIR: 94
  StrongCG: 2
  GUB cover: 1
  Zero half: 45
  RLT: 46
  Relax-and-lift: 1
  BQP: 1

Explored 1 nodes (63803 simplex iterations) in 50.04 seconds (46.23 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 3.100000000000e+01, gap 210.0000%

Wrote result file './lp_solutions/grafo6121.33.sol'

