
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:43:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2468.15.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/grafo2468.15.lp
Reading time = 0.02 seconds
: 4558 rows, 313 columns, 13804 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 4558 rows, 313 columns and 13804 nonzeros
Model fingerprint: 0xaddca19d
Variable types: 16 continuous, 297 integer (297 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 1587 rows and 9 columns
Presolve time: 0.05s
Presolved: 2971 rows, 304 columns, 9142 nonzeros
Variable types: 0 continuous, 304 integer (288 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.500000e+01, 270 iterations, 0.02 seconds (0.02 work units)

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

     0     0   15.00000    0   74    3.00000   15.00000   400%     -    0s
H    0     0                       4.0000000   15.00000   275%     -    0s
H    0     0                       5.0000000   15.00000   200%     -    0s
     0     0   15.00000    0  129    5.00000   15.00000   200%     -    0s
     0     0   15.00000    0  128    5.00000   15.00000   200%     -    0s
     0     0   15.00000    0  107    5.00000   15.00000   200%     -    0s
H    0     0                       6.0000000   15.00000   150%     -    0s
     0     0   15.00000    0  103    6.00000   15.00000   150%     -    0s
H    0     0                       7.0000000   15.00000   114%     -    0s
     0     0   14.66667    0   99    7.00000   14.66667   110%     -    0s
     0     0   14.66667    0  107    7.00000   14.66667   110%     -    0s
     0     0   14.66667    0   96    7.00000   14.66667   110%     -    0s
     0     0   14.66667    0  120    7.00000   14.66667   110%     -    0s
     0     0   14.66667    0  135    7.00000   14.66667   110%     -    1s
     0     0   14.66667    0  107    7.00000   14.66667   110%     -    1s
     0     2   14.66667    0  104    7.00000   14.66667   110%     -    1s
H  285   235                       8.0000000   14.66667  83.3%  41.7    2s
H  515   230                       9.0000000   14.66667  63.0%  35.5    2s
  1860   707   14.00000   12  118    9.00000   14.00000  55.6%  28.3    5s
  5080   682   10.00000   24   22    9.00000   11.00000  22.2%  30.0   10s

Cutting planes:
  MIR: 6
  Inf proof: 2
  RLT: 5

Explored 8582 nodes (249125 simplex iterations) in 13.45 seconds (6.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 9 9 9 ... 3

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2468.15.sol'

