
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:58:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6122.41.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/grafo6122.41.lp
Reading time = 0.10 seconds
: 61883 rows, 2063 columns, 187289 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 61883 rows, 2063 columns and 187289 nonzeros
Model fingerprint: 0xd1ea2db8
Variable types: 45 continuous, 2018 integer (2018 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 -0.0000000
Presolve removed 7447 rows and 39 columns
Presolve time: 0.42s
Presolved: 54436 rows, 2024 columns, 165339 nonzeros
Variable types: 0 continuous, 2024 integer (1979 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 29586 rows, 26874 columns, 115639 nonzeros


Root relaxation: objective 3.800000e+01, 5393 iterations, 3.50 seconds (3.18 work units)
Total elapsed time = 9.34s (DegenMoves)
Total elapsed time = 10.28s (DegenMoves)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   38.00000    0  678    5.00000   38.00000   660%     -   10s
H    0     0                       7.0000000   38.00000   443%     -   10s
H    0     0                       8.0000000   38.00000   375%     -   13s
     0     0   38.00000    0  775    8.00000   38.00000   375%     -   20s
H    0     0                       9.0000000   38.00000   322%     -   20s
     0     0   38.00000    0  756    9.00000   38.00000   322%     -   20s
     0     0   38.00000    0  418    9.00000   38.00000   322%     -   31s
H    0     0                      10.0000000   38.00000   280%     -   31s
     0     0   38.00000    0  412   10.00000   38.00000   280%     -   31s
     0     0   38.00000    0  628   10.00000   38.00000   280%     -   50s

Cutting planes:
  Cover: 33
  Clique: 1
  MIR: 181
  GUB cover: 13
  Zero half: 70
  RLT: 57

Explored 1 nodes (48884 simplex iterations) in 50.06 seconds (44.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 3.800000000000e+01, gap 280.0000%

Wrote result file './lp_solutions/grafo6122.41.sol'

