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

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2856.16.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/grafo2856.16.lp
Reading time = 0.01 seconds
: 3581 rows, 271 columns, 10822 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 3581 rows, 271 columns and 10822 nonzeros
Model fingerprint: 0x183b75f0
Variable types: 13 continuous, 258 integer (258 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 1135 rows and 4 columns
Presolve time: 0.03s
Presolved: 2446 rows, 267 columns, 7462 nonzeros
Variable types: 0 continuous, 267 integer (254 binary)

Root relaxation: objective 1.300000e+01, 189 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   13.00000    0   74          -   13.00000      -     -    0s
H    0     0                       5.0000000   13.00000   160%     -    0s
H    0     0                       6.0000000   13.00000   117%     -    0s
     0     0   13.00000    0   83    6.00000   13.00000   117%     -    0s
     0     0   13.00000    0   83    6.00000   13.00000   117%     -    0s
H    0     0                       7.0000000   13.00000  85.7%     -    0s
     0     0   12.50000    0   78    7.00000   12.50000  78.6%     -    0s
     0     0   12.00000    0   75    7.00000   12.00000  71.4%     -    0s
     0     0   12.00000    0   83    7.00000   12.00000  71.4%     -    0s
     0     0   12.00000    0   83    7.00000   12.00000  71.4%     -    0s
     0     0   11.00000    0   79    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   72    7.00000   11.00000  57.1%     -    0s
     0     0   10.50000    0   72    7.00000   10.50000  50.0%     -    0s
     0     0   10.00000    0   81    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   74    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   59    7.00000   10.00000  42.9%     -    1s
     0     2   10.00000    0   55    7.00000   10.00000  42.9%     -    1s
  2767   944   10.00000   16  152    7.00000   10.00000  42.9%  23.1    5s
  6720    79 infeasible   26         7.00000    8.00000  14.3%  28.5   10s

Cutting planes:
  MIR: 4
  Inf proof: 9
  Zero half: 2
  RLT: 3

Explored 7091 nodes (211549 simplex iterations) in 10.44 seconds (4.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 7 7 ... 5

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/grafo2856.16.sol'

