
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 08:11:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo998.16.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/grafo998.16.lp
Reading time = 0.01 seconds
: 2360 rows, 246 columns, 7134 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 2360 rows, 246 columns and 7134 nonzeros
Model fingerprint: 0x2330bdef
Variable types: 12 continuous, 234 integer (234 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 2.0000000
Presolve removed 494 rows and 7 columns
Presolve time: 0.03s
Presolved: 1866 rows, 239 columns, 5712 nonzeros
Variable types: 0 continuous, 239 integer (227 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.000000e+01, 168 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   10.00000    0   51    3.00000   10.00000   233%     -    0s
H    0     0                       4.0000000   10.00000   150%     -    0s
     0     0   10.00000    0   87    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   59    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   53    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   46    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   46    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   51    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   46    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   45    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   57    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   52    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   65    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   52    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   52    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     2   10.00000    0   52    6.00000   10.00000  66.7%     -    0s

Cutting planes:
  Cover: 25
  Clique: 2
  MIR: 60
  StrongCG: 1
  GUB cover: 1
  Inf proof: 57
  Zero half: 14
  RLT: 27
  Relax-and-lift: 1

Explored 2097 nodes (39997 simplex iterations) in 2.25 seconds (1.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 4 ... 2

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/grafo998.16.sol'

