
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:35:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6825.35.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/grafo6825.35.lp
Reading time = 0.09 seconds
: 52530 rows, 1638 columns, 158894 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 52530 rows, 1638 columns and 158894 nonzeros
Model fingerprint: 0x6828417c
Variable types: 38 continuous, 1600 integer (1600 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 17195 rows and 59 columns
Presolve time: 0.32s
Presolved: 35335 rows, 1579 columns, 107695 nonzeros
Variable types: 0 continuous, 1579 integer (1541 binary)
Root relaxation presolved: 20354 rows, 16560 columns, 77733 nonzeros


Root relaxation: objective 3.600000e+01, 681 iterations, 0.18 seconds (0.15 work units)

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

     0     0   36.00000    0  237          -   36.00000      -     -    0s
H    0     0                      10.0000000   36.00000   260%     -    0s
H    0     0                      11.0000000   36.00000   227%     -    1s
H    0     0                      12.0000000   36.00000   200%     -    3s
     0     0   36.00000    0  584   12.00000   36.00000   200%     -    3s
     0     0   36.00000    0  526   12.00000   36.00000   200%     -    3s
H    0     0                      13.0000000   36.00000   177%     -   17s
H    0     0                      14.0000000   36.00000   157%     -   17s
H    0     0                      15.0000000   36.00000   140%     -   17s
     0     0   36.00000    0  396   15.00000   36.00000   140%     -   17s
     0     0   36.00000    0  386   15.00000   36.00000   140%     -   18s
     0     0   36.00000    0  364   15.00000   36.00000   140%     -   27s
     0     0   36.00000    0  332   15.00000   36.00000   140%     -   27s
H    0     0                      16.0000000   36.00000   125%     -   42s
     0     0   36.00000    0  406   16.00000   36.00000   125%     -   42s
     0     0   36.00000    0  418   16.00000   36.00000   125%     -   44s
     0     0   36.00000    0  463   16.00000   36.00000   125%     -   50s

Cutting planes:
  Cover: 20
  Clique: 2
  MIR: 113
  StrongCG: 2
  GUB cover: 3
  Zero half: 38
  RLT: 56
  BQP: 1

Explored 1 nodes (69711 simplex iterations) in 50.05 seconds (41.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 15 14 ... 10

Time limit reached
Best objective 1.600000000000e+01, best bound 3.600000000000e+01, gap 125.0000%

Wrote result file './lp_solutions/grafo6825.35.sol'

