
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:09:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2782.17.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/grafo2782.17.lp
Reading time = 0.01 seconds
: 3563 rows, 301 columns, 10759 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 3563 rows, 301 columns and 10759 nonzeros
Model fingerprint: 0x2f2d3a5c
Variable types: 14 continuous, 287 integer (287 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 978 rows and 12 columns
Presolve time: 0.03s
Presolved: 2585 rows, 289 columns, 7927 nonzeros
Variable types: 0 continuous, 289 integer (275 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.200000e+01, 235 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   12.00000    0  106    3.00000   12.00000   300%     -    0s
     0     0   12.00000    0  137    3.00000   12.00000   300%     -    0s
     0     0   12.00000    0  136    3.00000   12.00000   300%     -    0s
     0     0   12.00000    0  103    3.00000   12.00000   300%     -    0s
     0     0   12.00000    0   80    3.00000   12.00000   300%     -    0s
     0     0   12.00000    0   77    3.00000   12.00000   300%     -    0s
H    0     0                       4.0000000   12.00000   200%     -    0s
H    0     0                       6.0000000   12.00000   100%     -    0s
     0     0   12.00000    0   75    6.00000   12.00000   100%     -    0s
     0     0   12.00000    0   82    6.00000   12.00000   100%     -    0s
     0     0   12.00000    0   96    6.00000   12.00000   100%     -    0s
     0     0   12.00000    0   96    6.00000   12.00000   100%     -    0s
     0     0   12.00000    0   80    6.00000   12.00000   100%     -    0s
     0     0   12.00000    0   71    6.00000   12.00000   100%     -    1s
     0     0   12.00000    0   56    6.00000   12.00000   100%     -    1s
     0     0   12.00000    0   90    6.00000   12.00000   100%     -    1s
     0     0   12.00000    0   89    6.00000   12.00000   100%     -    1s
H    0     0                       7.0000000   12.00000  71.4%     -    1s
     0     2   12.00000    0   79    7.00000   12.00000  71.4%     -    1s
  3824   314     cutoff   17         7.00000    9.00000  28.6%  22.7    5s

Cutting planes:
  Gomory: 1
  Cover: 14
  Clique: 1
  MIR: 129
  StrongCG: 3
  Inf proof: 43
  Zero half: 14
  RLT: 53

Explored 4821 nodes (111056 simplex iterations) in 5.65 seconds (3.39 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 4 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/grafo2782.17.sol'

