
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:49:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2525.16.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/grafo2525.16.lp
Reading time = 0.01 seconds
: 4496 rows, 300 columns, 13584 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 4496 rows, 300 columns and 13584 nonzeros
Model fingerprint: 0xc253215a
Variable types: 15 continuous, 285 integer (285 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 1563 rows and 12 columns
Presolve time: 0.03s
Presolved: 2933 rows, 288 columns, 8991 nonzeros
Variable types: 0 continuous, 288 integer (273 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.200000e+01, 165 iterations, 0.02 seconds (0.01 work units)

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

     0     0   12.00000    0   72    3.00000   12.00000   300%     -    0s
H    0     0                       5.0000000   12.00000   140%     -    0s
     0     0   12.00000    0   95    5.00000   12.00000   140%     -    0s
     0     0   12.00000    0   95    5.00000   12.00000   140%     -    0s
     0     0   12.00000    0   94    5.00000   12.00000   140%     -    0s
     0     0   12.00000    0   72    5.00000   12.00000   140%     -    0s
     0     0   11.66667    0   56    5.00000   11.66667   133%     -    0s
H    0     0                       6.0000000   11.66667  94.4%     -    0s
     0     0   11.66667    0   46    6.00000   11.66667  94.4%     -    0s
     0     0   11.66667    0   57    6.00000   11.66667  94.4%     -    0s
     0     0   11.66667    0   69    6.00000   11.66667  94.4%     -    0s
     0     0   11.66667    0   80    6.00000   11.66667  94.4%     -    0s
     0     0   11.66667    0   66    6.00000   11.66667  94.4%     -    0s
     0     0   11.66667    0   64    6.00000   11.66667  94.4%     -    1s
     0     2   11.66667    0   58    6.00000   11.66667  94.4%     -    1s
H   72    77                       7.0000000   11.66667  66.7%  63.2    1s

Cutting planes:
  Gomory: 1
  Cover: 15
  Clique: 2
  MIR: 108
  StrongCG: 2
  GUB cover: 1
  Inf proof: 27
  Zero half: 13
  RLT: 38

Explored 2790 nodes (83024 simplex iterations) in 4.95 seconds (3.25 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 5 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2525.16.sol'

