
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:48:03 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11417.37.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/grafo11417.37.lp
Reading time = 0.11 seconds
: 67697 rows, 1891 columns, 204718 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 67697 rows, 1891 columns and 204718 nonzeros
Model fingerprint: 0x240e88e4
Variable types: 43 continuous, 1848 integer (1848 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 15546 rows and 21 columns
Presolve time: 0.48s
Presolved: 52151 rows, 1870 columns, 158524 nonzeros
Variable types: 0 continuous, 1870 integer (1827 binary)
Root relaxation presolved: 1867 rows, 54018 columns, 160394 nonzeros


Root relaxation: objective 3.600000e+01, 1459 iterations, 0.28 seconds (0.26 work units)

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

     0     0   36.00000    0  322          -   36.00000      -     -    1s
H    0     0                      10.0000000   36.00000   260%     -    1s
H    0     0                      12.0000000   36.00000   200%     -    1s
H    0     0                      13.0000000   36.00000   177%     -    2s
     0     0   36.00000    0  642   13.00000   36.00000   177%     -    7s
H    0     0                      14.0000000   36.00000   157%     -    8s
     0     0   36.00000    0  610   14.00000   36.00000   157%     -    8s
H    0     0                      15.0000000   36.00000   140%     -   32s
H    0     0                      16.0000000   36.00000   125%     -   32s
     0     0   36.00000    0  570   16.00000   36.00000   125%     -   32s
     0     0   36.00000    0  647   16.00000   36.00000   125%     -   35s
     0     0   36.00000    0  668   16.00000   36.00000   125%     -   50s

Cutting planes:
  Lift-and-project: 2
  Cover: 28
  Clique: 14
  MIR: 157
  StrongCG: 4
  GUB cover: 2
  Zero half: 33
  RLT: 52
  Relax-and-lift: 1
  BQP: 1

Explored 1 nodes (43698 simplex iterations) in 50.06 seconds (42.23 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 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/grafo11417.37.sol'

