
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 08:04:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo972.18.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/grafo972.18.lp
Reading time = 0.01 seconds
: 2542 rows, 267 columns, 7677 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 2542 rows, 267 columns and 7677 nonzeros
Model fingerprint: 0x7295030e
Variable types: 12 continuous, 255 integer (255 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 277 rows and 6 columns
Presolve time: 0.02s
Presolved: 2265 rows, 261 columns, 6897 nonzeros
Variable types: 0 continuous, 261 integer (249 binary)

Root relaxation: objective 7.000000e+00, 147 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    7.00000    0   29          -    7.00000      -     -    0s
H    0     0                       4.0000000    7.00000  75.0%     -    0s
H    0     0                       5.0000000    7.00000  40.0%     -    0s
     0     0    7.00000    0   40    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   30    5.00000    7.00000  40.0%     -    0s
     0     0    6.50000    0   31    5.00000    6.50000  30.0%     -    0s
     0     0    6.00000    0   30    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   34    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   32    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   21    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   24    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   34    5.00000    6.00000  20.0%     -    0s
     0     0    5.00000    0   23    5.00000    5.00000  0.00%     -    0s

Cutting planes:
  Cover: 2
  Clique: 1
  MIR: 9
  StrongCG: 1
  Inf proof: 6
  Zero half: 1
  RLT: 10

Explored 1 nodes (1906 simplex iterations) in 0.36 seconds (0.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 4 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo972.18.sol'

