
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:24:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10979.39.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/grafo10979.39.lp
Reading time = 0.13 seconds
: 80438 rows, 1778 columns, 242600 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 80438 rows, 1778 columns and 242600 nonzeros
Model fingerprint: 0xd49c9436
Variable types: 38 continuous, 1740 integer (1740 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 4.0000000
Presolve removed 24657 rows and 29 columns
Presolve time: 0.63s
Presolved: 55781 rows, 1749 columns, 168942 nonzeros
Variable types: 0 continuous, 1749 integer (1711 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1749 rows, 57530 columns, 170691 nonzeros


Root relaxation: objective 3.400000e+01, 1590 iterations, 0.34 seconds (0.35 work units)

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

     0     0   34.00000    0  299   11.00000   34.00000   209%     -    3s
H    0     0                      13.0000000   34.00000   162%     -    4s
H    0     0                      14.0000000   34.00000   143%     -    8s
     0     0   34.00000    0  544   14.00000   34.00000   143%     -    8s
     0     0   34.00000    0  512   14.00000   34.00000   143%     -    8s
     0     0   34.00000    0  416   14.00000   34.00000   143%     -   26s
     0     0   34.00000    0  377   14.00000   34.00000   143%     -   27s
H    0     0                      15.0000000   34.00000   127%     -   42s
H    0     0                      16.0000000   34.00000   112%     -   42s
     0     0   34.00000    0  370   16.00000   34.00000   112%     -   42s
     0     0   34.00000    0  413   16.00000   34.00000   112%     -   43s
     0     0   34.00000    0  557   16.00000   34.00000   112%     -   50s

Cutting planes:
  Cover: 19
  Clique: 32
  MIR: 63
  GUB cover: 1
  Zero half: 39
  RLT: 73
  BQP: 3

Explored 1 nodes (49610 simplex iterations) in 50.06 seconds (49.87 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 4

Time limit reached
Best objective 1.600000000000e+01, best bound 3.400000000000e+01, gap 112.5000%

Wrote result file './lp_solutions/grafo10979.39.sol'

