
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:34:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo559.13.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/grafo559.13.lp
Reading time = 0.01 seconds
: 2048 rows, 223 columns, 6205 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 2048 rows, 223 columns and 6205 nonzeros
Model fingerprint: 0x5c203329
Variable types: 13 continuous, 210 integer (210 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 2.0000000
Presolve removed 584 rows and 10 columns
Presolve time: 0.03s
Presolved: 1464 rows, 213 columns, 4534 nonzeros
Variable types: 0 continuous, 213 integer (200 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.100000e+01, 98 iterations, 0.01 seconds (0.00 work units)

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

     0     0   11.00000    0   36    5.00000   11.00000   120%     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
     0     0   11.00000    0   75    6.00000   11.00000  83.3%     -    0s
     0     0   10.66667    0   54    6.00000   10.66667  77.8%     -    0s
     0     0   10.66667    0   51    6.00000   10.66667  77.8%     -    0s
     0     0   10.50000    0   61    6.00000   10.50000  75.0%     -    0s
     0     0   10.33333    0   61    6.00000   10.33333  72.2%     -    0s
     0     0   10.00000    0   43    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   59    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   42    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   43    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   43    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   43    6.00000   10.00000  66.7%     -    0s
     0     2   10.00000    0   43    6.00000   10.00000  66.7%     -    0s
  2922   801    9.00000   28   75    6.00000    9.00000  50.0%  39.3    5s
  6101   480 infeasible   36         6.00000    8.00000  33.3%  45.7   10s

Cutting planes:
  Cover: 3
  MIR: 2
  Inf proof: 10
  RLT: 3

Explored 8680 nodes (392107 simplex iterations) in 11.89 seconds (5.16 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 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/grafo559.13.sol'

