
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:37:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2298.13.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/grafo2298.13.lp
Reading time = 0.01 seconds
: 3245 rows, 191 columns, 9765 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 3245 rows, 191 columns and 9765 nonzeros
Model fingerprint: 0xab2e4a53
Variable types: 10 continuous, 181 integer (181 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 1434 rows and 3 columns
Presolve time: 0.02s
Presolved: 1811 rows, 188 columns, 5557 nonzeros
Variable types: 0 continuous, 188 integer (178 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 8.000000e+00, 113 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    8.00000    0   67    3.00000    8.00000   167%     -    0s
     0     0    8.00000    0   74    3.00000    8.00000   167%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    8.00000    0   59    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   68    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   62    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   50    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   52    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   46    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   58    5.00000    8.00000  60.0%     -    0s
     0     0    7.66667    0   36    5.00000    7.66667  53.3%     -    0s
     0     0    7.50000    0   62    5.00000    7.50000  50.0%     -    0s
     0     0    7.50000    0   51    5.00000    7.50000  50.0%     -    0s
     0     0    7.50000    0   50    5.00000    7.50000  50.0%     -    0s
     0     0    7.42857    0   40    5.00000    7.42857  48.6%     -    0s
     0     0    7.42857    0   62    5.00000    7.42857  48.6%     -    0s
     0     0    7.38462    0   35    5.00000    7.38462  47.7%     -    0s
     0     0    7.38462    0   35    5.00000    7.38462  47.7%     -    0s
     0     2    7.38462    0   33    5.00000    7.38462  47.7%     -    0s
  4105   701    6.00000   37   73    5.00000    7.00000  40.0%  41.8    5s

Cutting planes:
  Zero half: 1
  RLT: 3

Explored 7093 nodes (272368 simplex iterations) in 6.05 seconds (4.84 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 5 5 5 ... 1

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/grafo2298.13.sol'

