
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:35:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3112.13.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/grafo3112.13.lp
Reading time = 0.01 seconds
: 2815 rows, 239 columns, 8538 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 2815 rows, 239 columns and 8538 nonzeros
Model fingerprint: 0xf29e6a78
Variable types: 13 continuous, 226 integer (226 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 3.0000000
Presolve removed 1138 rows and 6 columns
Presolve time: 0.02s
Presolved: 1677 rows, 233 columns, 5213 nonzeros
Variable types: 0 continuous, 233 integer (220 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.100000e+01, 106 iterations, 0.01 seconds (0.00 work units)

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

     0     0   11.00000    0   67    5.00000   11.00000   120%     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
H    0     0                       7.0000000   11.00000  57.1%     -    0s
     0     0   11.00000    0   92    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   84    7.00000   11.00000  57.1%     -    0s
     0     0   10.66667    0   62    7.00000   10.66667  52.4%     -    0s
     0     0   10.00000    0   64    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   60    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   65    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   52    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   51    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   62    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   67    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   55    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   66    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   70    7.00000   10.00000  42.9%     -    0s
     0     0   10.00000    0   66    7.00000   10.00000  42.9%     -    0s
     0     2   10.00000    0   54    7.00000   10.00000  42.9%     -    0s

Cutting planes:
  Cover: 1
  MIR: 6
  Inf proof: 11
  RLT: 4

Explored 7943 nodes (239205 simplex iterations) in 4.73 seconds (3.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 7 7 7 ... 3

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/grafo3112.13.sol'

