
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:02:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6323.41.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/grafo6323.41.lp
Reading time = 0.13 seconds
: 83515 rows, 2052 columns, 252138 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 83515 rows, 2052 columns and 252138 nonzeros
Model fingerprint: 0xde869659
Variable types: 43 continuous, 2009 integer (2009 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 21511 rows and 18 columns
Presolve time: 0.55s
Presolved: 62004 rows, 2034 columns, 187936 nonzeros
Variable types: 0 continuous, 2034 integer (1991 binary)
Root relaxation presolved: 2034 rows, 64038 columns, 189970 nonzeros


Root relaxation: objective 4.600000e+01, 23951 iterations, 3.64 seconds (3.14 work units)
Total elapsed time = 10.07s (DegenMoves)

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

     0     0   46.00000    0  401          -   46.00000      -     -   11s
H    0     0                       5.0000000   46.00000   820%     -   11s
H    0     0                       7.0000000   46.00000   557%     -   11s
H    0     0                       8.0000000   46.00000   475%     -   13s
H    0     0                       9.0000000   46.00000   411%     -   18s
     0     0   46.00000    0  600    9.00000   46.00000   411%     -   18s
     0     0   46.00000    0  608    9.00000   46.00000   411%     -   20s
H    0     0                      10.0000000   46.00000   360%     -   23s
H    0     0                      11.0000000   46.00000   318%     -   42s
H    0     0                      13.0000000   46.00000   254%     -   42s
H    0     0                      14.0000000   46.00000   229%     -   42s
H    0     0                      15.0000000   46.00000   207%     -   42s
     0     0   46.00000    0  539   15.00000   46.00000   207%     -   42s
H    0     0                      16.0000000   46.00000   187%     -   44s
     0     0   46.00000    0  512   16.00000   46.00000   187%     -   44s
     0     0          -    0        16.00000   46.00000   187%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 32
  Clique: 12
  MIR: 163
  StrongCG: 1
  GUB cover: 4
  Zero half: 49
  RLT: 64
  Relax-and-lift: 1
  BQP: 3

Explored 1 nodes (61374 simplex iterations) in 50.08 seconds (46.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 4.600000000000e+01, gap 187.5000%

Wrote result file './lp_solutions/grafo6323.41.sol'

