
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:35:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2279.16.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/grafo2279.16.lp
Reading time = 0.01 seconds
: 2043 rows, 269 columns, 6219 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 2043 rows, 269 columns and 6219 nonzeros
Model fingerprint: 0x0886c4de
Variable types: 13 continuous, 256 integer (256 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 4.0000000
Presolve removed 206 rows and 17 columns
Presolve time: 0.01s
Presolved: 1837 rows, 252 columns, 5658 nonzeros
Variable types: 0 continuous, 252 integer (239 binary)

Root relaxation: objective 8.000000e+00, 68 iterations, 0.00 seconds (0.00 work units)

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

     0     0    8.00000    0   12    4.00000    8.00000   100%     -    0s
H    0     0                       6.0000000    8.00000  33.3%     -    0s
     0     0    8.00000    0   18    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   12    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   11    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   18    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   12    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   12    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0    7    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   11    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   12    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   12    6.00000    8.00000  33.3%     -    0s
     0     2    8.00000    0   12    6.00000    8.00000  33.3%     -    0s

Cutting planes:
  Cover: 3
  MIR: 1
  Inf proof: 11
  Zero half: 1
  Mod-K: 1

Explored 357 nodes (11430 simplex iterations) in 0.48 seconds (0.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 6 4 

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/grafo2279.16.sol'

