
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:33:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2349.16.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/grafo2349.16.lp
Reading time = 0.01 seconds
: 2620 rows, 267 columns, 7942 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 2620 rows, 267 columns and 7942 nonzeros
Model fingerprint: 0xc1775d2b
Variable types: 14 continuous, 253 integer (253 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 492 rows and 12 columns
Presolve time: 0.02s
Presolved: 2128 rows, 255 columns, 6550 nonzeros
Variable types: 0 continuous, 255 integer (241 binary)

Root relaxation: objective 8.000000e+00, 112 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    8.00000    0   58    2.00000    8.00000   300%     -    0s
H    0     0                       4.0000000    8.00000   100%     -    0s
     0     0    8.00000    0   69    4.00000    8.00000   100%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    7.66667    0   44    5.00000    7.66667  53.3%     -    0s
     0     0    7.66667    0   42    5.00000    7.66667  53.3%     -    0s
     0     0    7.50000    0   37    5.00000    7.50000  50.0%     -    0s
     0     0    7.00000    0   37    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   31    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   26    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   33    5.00000    7.00000  40.0%     -    0s
     0     0    6.66667    0   34    5.00000    6.66667  33.3%     -    0s
     0     0    6.50000    0   43    5.00000    6.50000  30.0%     -    0s
     0     0    6.50000    0   42    5.00000    6.50000  30.0%     -    0s
     0     0    6.00000    0   25    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   30    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   28    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   38    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   29    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   29    5.00000    6.00000  20.0%     -    0s
     0     2    6.00000    0   26    5.00000    6.00000  20.0%     -    0s
*  116    56               7       6.0000000    6.00000  0.00%  38.2    1s

Cutting planes:
  Cover: 2
  MIR: 63
  StrongCG: 1
  GUB cover: 2
  Inf proof: 7
  Zero half: 5
  RLT: 14

Explored 129 nodes (7795 simplex iterations) in 1.12 seconds (0.48 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 6 5 4 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/grafo2349.16.sol'

