
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:36:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo707.15.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/grafo707.15.lp
Reading time = 0.01 seconds
: 2288 rows, 238 columns, 6922 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 2288 rows, 238 columns and 6922 nonzeros
Model fingerprint: 0xfd223cdb
Variable types: 13 continuous, 225 integer (225 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 521 rows and 9 columns
Presolve time: 0.02s
Presolved: 1767 rows, 229 columns, 5443 nonzeros
Variable types: 0 continuous, 229 integer (216 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 8.000000e+00, 71 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    8.00000    0   27    3.00000    8.00000   167%     -    0s
H    0     0                       4.0000000    8.00000   100%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    8.00000    0   61    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   62    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   62    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   61    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   64    5.00000    8.00000  60.0%     -    0s
     0     0    7.66667    0   59    5.00000    7.66667  53.3%     -    0s
     0     0    7.66667    0   48    5.00000    7.66667  53.3%     -    0s
     0     0    7.16667    0   62    5.00000    7.16667  43.3%     -    0s
     0     0    7.16667    0   46    5.00000    7.16667  43.3%     -    0s
     0     2    7.16667    0   20    5.00000    7.16667  43.3%     -    0s
H  327    49                       6.0000000    6.00000  0.00%  20.0    0s

Cutting planes:
  Gomory: 2
  Cover: 7
  MIR: 31
  Inf proof: 8
  RLT: 14

Explored 343 nodes (9587 simplex iterations) in 0.92 seconds (0.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 4 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo707.15.sol'

