
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 05:14:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo9946.41.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/grafo9946.41.lp
Reading time = 0.08 seconds
: 49622 rows, 1923 columns, 150280 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 49622 rows, 1923 columns and 150280 nonzeros
Model fingerprint: 0x82ecea18
Variable types: 42 continuous, 1881 integer (1881 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 3723 rows and 38 columns
Presolve time: 0.34s
Presolved: 45899 rows, 1885 columns, 139495 nonzeros
Variable types: 0 continuous, 1885 integer (1843 binary)
Root relaxation presolved: 23759 rows, 24025 columns, 95215 nonzeros


Root relaxation: objective 3.200000e+01, 2713 iterations, 0.95 seconds (0.84 work units)

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

     0     0   32.00000    0  365          -   32.00000      -     -    4s
H    0     0                       6.0000000   32.00000   433%     -    6s
     0     0   32.00000    0  712    6.00000   32.00000   433%     -   10s
H    0     0                       7.0000000   32.00000   357%     -   10s
     0     0   32.00000    0  700    7.00000   32.00000   357%     -   11s
H    0     0                       8.0000000   32.00000   300%     -   26s
     0     0   32.00000    0  294    8.00000   32.00000   300%     -   26s
H    0     0                      10.0000000   32.00000   220%     -   26s
     0     0   32.00000    0  294   10.00000   32.00000   220%     -   26s
     0     0   32.00000    0  311   10.00000   32.00000   220%     -   40s
     0     0   32.00000    0  415   10.00000   32.00000   220%     -   41s
     0     0   32.00000    0  331   10.00000   32.00000   220%     -   46s
H    0     0                      11.0000000   32.00000   191%     -   47s
     0     0   32.00000    0  283   11.00000   32.00000   191%     -   47s
     0     0   32.00000    0  392   11.00000   32.00000   191%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 16
  Clique: 4
  MIR: 118
  StrongCG: 2
  GUB cover: 7
  Zero half: 39
  RLT: 32
  BQP: 2
  PSD: 1

Explored 1 nodes (69275 simplex iterations) in 50.04 seconds (47.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 8 ... 6

Time limit reached
Best objective 1.100000000000e+01, best bound 3.200000000000e+01, gap 190.9091%

Wrote result file './lp_solutions/grafo9946.41.sol'

