
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:28:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6887.39.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/grafo6887.39.lp
Reading time = 0.14 seconds
: 90199 rows, 1972 columns, 272144 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 90199 rows, 1972 columns and 272144 nonzeros
Model fingerprint: 0x7c1d875c
Variable types: 42 continuous, 1930 integer (1930 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 27490 rows and 19 columns
Presolve time: 0.66s
Presolved: 62709 rows, 1953 columns, 190080 nonzeros
Variable types: 0 continuous, 1953 integer (1911 binary)
Root relaxation presolved: 1953 rows, 64662 columns, 192033 nonzeros


Root relaxation: objective 4.500000e+01, 2062 iterations, 0.45 seconds (0.45 work units)
Total elapsed time = 5.80s (DegenMoves)

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

     0     0   45.00000    0  418          -   45.00000      -     -    6s
H    0     0                       5.0000000   45.00000   800%     -    6s
H    0     0                       7.0000000   45.00000   543%     -    6s
H    0     0                      10.0000000   45.00000   350%     -    7s
     0     0   45.00000    0  741   10.00000   45.00000   350%     -   16s
     0     0   45.00000    0  686   10.00000   45.00000   350%     -   18s
H    0     0                      11.0000000   45.00000   309%     -   45s
H    0     0                      13.0000000   45.00000   246%     -   45s
     0     0   45.00000    0  340   13.00000   45.00000   246%     -   45s
H    0     0                      14.0000000   45.00000   221%     -   45s
     0     0   45.00000    0  397   14.00000   45.00000   221%     -   46s
     0     0          -    0        14.00000   45.00000   221%     -   50s

Cutting planes:
  Cover: 40
  Clique: 17
  MIR: 112
  GUB cover: 3
  Zero half: 67
  RLT: 58
  BQP: 1

Explored 1 nodes (44301 simplex iterations) in 50.07 seconds (48.69 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 11 ... 5

Time limit reached
Best objective 1.400000000000e+01, best bound 4.500000000000e+01, gap 221.4286%

Wrote result file './lp_solutions/grafo6887.39.sol'

