
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 02:04:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo654.25.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/grafo654.25.lp
Reading time = 0.02 seconds
: 13003 rows, 603 columns, 39292 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 13003 rows, 603 columns and 39292 nonzeros
Model fingerprint: 0x69d75892
Variable types: 17 continuous, 586 integer (586 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 6574 rows and 83 columns
Presolve time: 0.07s
Presolved: 6429 rows, 520 columns, 19621 nonzeros
Variable types: 0 continuous, 520 integer (503 binary)

Root relaxation: objective 1.100000e+01, 101 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   11.00000    0   47          -   11.00000      -     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
H    0     0                       9.0000000   11.00000  22.2%     -    0s
     0     0   11.00000    0   83    9.00000   11.00000  22.2%     -    0s
     0     0   11.00000    0   83    9.00000   11.00000  22.2%     -    0s
     0     0   10.00000    0   32    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   59    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   64    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   69    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   67    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   44    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   49    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   67    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   62    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   69    9.00000   10.00000  11.1%     -    0s
     0     0   10.00000    0   47    9.00000   10.00000  11.1%     -    0s
     0     2   10.00000    0   18    9.00000   10.00000  11.1%     -    1s
  1896    31 infeasible   11         9.00000   10.00000  11.1%  80.5    5s

Cutting planes:
  Gomory: 3
  Cover: 66
  Clique: 8
  MIR: 70
  StrongCG: 6
  GUB cover: 2
  Inf proof: 104
  Zero half: 3
  RLT: 40
  BQP: 2
  PSD: 1

Explored 2172 nodes (179228 simplex iterations) in 5.78 seconds (6.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 9 6 

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo654.25.sol'

