
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:58:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2442.14.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/grafo2442.14.lp
Reading time = 0.01 seconds
: 4175 rows, 281 columns, 12635 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 4175 rows, 281 columns and 12635 nonzeros
Model fingerprint: 0x63ace4ca
Variable types: 15 continuous, 266 integer (266 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 1501 rows and 6 columns
Presolve time: 0.03s
Presolved: 2674 rows, 275 columns, 8256 nonzeros
Variable types: 0 continuous, 275 integer (260 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.000000e+01, 138 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   63    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   72    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   70    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   74    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   70    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   51    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   52    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   63    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   79    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   39    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   54    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   67    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   60    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   43    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   43    6.00000   10.00000  66.7%     -    0s
     0     2   10.00000    0   40    6.00000   10.00000  66.7%     -    0s
H  125   120                       7.0000000   10.00000  42.9%  81.8    1s
  2244   999    8.00000   37   92    7.00000    9.50000  35.7%  59.5    5s
  6185   966    8.00000   36   54    7.00000    8.00000  14.3%  67.2   10s

Cutting planes:
  RLT: 1

Explored 10742 nodes (728752 simplex iterations) in 13.31 seconds (11.95 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 7 7 7 ... 2

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/grafo2442.14.sol'

