
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 17:42:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo919.12.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/grafo919.12.lp
Reading time = 0.01 seconds
: 5340 rows, 185 columns, 16068 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 5340 rows, 185 columns and 16068 nonzeros
Model fingerprint: 0xa096afd7
Variable types: 10 continuous, 175 integer (175 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 3166 rows and 4 columns
Presolve time: 0.04s
Presolved: 2174 rows, 181 columns, 6626 nonzeros
Variable types: 0 continuous, 181 integer (171 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.000000e+01, 132 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   10.00000    0   60    3.00000   10.00000   233%     -    0s
     0     0   10.00000    0   71    3.00000   10.00000   233%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   70    5.00000   10.00000   100%     -    0s
     0     0    9.00000    0   61    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   67    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   70    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   71    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   38    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   63    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   55    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   53    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   52    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   75    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   60    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   45    5.00000    9.00000  80.0%     -    0s
     0     2    9.00000    0   45    5.00000    9.00000  80.0%     -    0s
H 2065   870                       6.0000000    8.83333  47.2%  40.8    2s

Cutting planes:
  Cover: 1
  Inf proof: 4
  RLT: 6

Explored 3855 nodes (166509 simplex iterations) in 4.85 seconds (3.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 5 ... 3

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/grafo919.12.sol'

