
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:13:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7482.41.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/grafo7482.41.lp
Reading time = 0.07 seconds
: 45119 rows, 1711 columns, 136421 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 45119 rows, 1711 columns and 136421 nonzeros
Model fingerprint: 0x97cdd560
Variable types: 37 continuous, 1674 integer (1674 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 5028 rows and 31 columns
Presolve time: 0.29s
Presolved: 40091 rows, 1680 columns, 121729 nonzeros
Variable types: 0 continuous, 1680 integer (1643 binary)
Root relaxation presolved: 21661 rows, 20110 columns, 84869 nonzeros


Root relaxation: objective 3.000000e+01, 2293 iterations, 0.61 seconds (0.55 work units)

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

     0     0   30.00000    0  410          -   30.00000      -     -    2s
H    0     0                       4.0000000   30.00000   650%     -    2s
H    0     0                       8.0000000   30.00000   275%     -    3s
     0     0   30.00000    0  733    8.00000   30.00000   275%     -    8s
     0     0   30.00000    0  692    8.00000   30.00000   275%     -    9s
H    0     0                       9.0000000   30.00000   233%     -   18s
     0     0   30.00000    0  407    9.00000   30.00000   233%     -   18s
     0     0   30.00000    0  407    9.00000   30.00000   233%     -   19s
     0     0   30.00000    0  311    9.00000   30.00000   233%     -   36s
     0     0   30.00000    0  462    9.00000   30.00000   233%     -   37s
     0     0   30.00000    0  452    9.00000   30.00000   233%     -   44s
     0     0   30.00000    0  436    9.00000   30.00000   233%     -   44s
     0     0   30.00000    0  474    9.00000   30.00000   233%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 17
  Clique: 1
  MIR: 96
  StrongCG: 1
  GUB cover: 2
  Zero half: 21
  RLT: 44

Explored 1 nodes (73984 simplex iterations) in 50.04 seconds (46.75 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 8 4 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.000000000000e+01, gap 233.3333%

Wrote result file './lp_solutions/grafo7482.41.sol'

