
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:25:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo219.11.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/grafo219.11.lp
Reading time = 0.01 seconds
: 6488 rows, 203 columns, 19535 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 6488 rows, 203 columns and 19535 nonzeros
Model fingerprint: 0xbb6494b8
Variable types: 12 continuous, 191 integer (191 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 3284 rows and 4 columns
Presolve time: 0.04s
Presolved: 3204 rows, 199 columns, 9732 nonzeros
Variable types: 0 continuous, 199 integer (187 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.100000e+01, 206 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   11.00000    0   73    3.00000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
     0     0   11.00000    0   90    4.00000   11.00000   175%     -    0s
H    0     0                       5.0000000   11.00000   120%     -    0s
     0     0   11.00000    0   88    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   71    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   82    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   58    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   64    5.00000   11.00000   120%     -    0s
     0     0   10.50000    0   80    5.00000   10.50000   110%     -    0s
     0     0   10.50000    0   60    5.00000   10.50000   110%     -    0s
     0     0   10.50000    0   65    5.00000   10.50000   110%     -    0s
     0     0   10.50000    0   69    5.00000   10.50000   110%     -    0s
     0     0   10.00000    0   77    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   70    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   60    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   60    5.00000   10.00000   100%     -    0s
     0     2   10.00000    0   49    5.00000   10.00000   100%     -    1s
H  304   239                       6.0000000   10.00000  66.7%  49.0    1s
  2761   982    8.00000   31   77    6.00000   10.00000  66.7%  41.3    5s
* 4304   458              46       7.0000000    8.50000  21.4%  42.4    6s

Cutting planes:
  MIR: 2
  Inf proof: 3
  Zero half: 1

Explored 5211 nodes (212982 simplex iterations) in 7.11 seconds (6.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 7 6 6 ... 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/grafo219.11.sol'

