
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:37:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6010.35.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/grafo6010.35.lp
Reading time = 0.12 seconds
: 73983 rows, 1787 columns, 223501 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 73983 rows, 1787 columns and 223501 nonzeros
Model fingerprint: 0xd85dc6e7
Variable types: 43 continuous, 1744 integer (1744 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 20574 rows and 25 columns
Presolve time: 0.54s
Presolved: 53409 rows, 1762 columns, 162067 nonzeros
Variable types: 0 continuous, 1762 integer (1719 binary)
Root relaxation presolved: 1762 rows, 55171 columns, 163829 nonzeros


Root relaxation: objective 4.000000e+01, 2118 iterations, 0.49 seconds (0.53 work units)
Total elapsed time = 5.16s (DegenMoves)

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

     0     0   40.00000    0  462          -   40.00000      -     -    5s
H    0     0                       8.0000000   40.00000   400%     -    5s
H    0     0                       9.0000000   40.00000   344%     -    5s
H    0     0                      10.0000000   40.00000   300%     -    5s
H    0     0                      11.0000000   40.00000   264%     -   12s
     0     0   40.00000    0  660   11.00000   40.00000   264%     -   12s
H    0     0                      14.0000000   40.00000   186%     -   12s
     0     0   40.00000    0  648   14.00000   40.00000   186%     -   12s
     0     0   40.00000    0  460   14.00000   40.00000   186%     -   25s
     0     0   40.00000    0  449   14.00000   40.00000   186%     -   26s
H    0     0                      15.0000000   40.00000   167%     -   41s
     0     0   40.00000    0  466   15.00000   40.00000   167%     -   41s
     0     0   40.00000    0  448   15.00000   40.00000   167%     -   42s
     0     0   40.00000    0  591   15.00000   40.00000   167%     -   50s

Cutting planes:
  Cover: 24
  Clique: 25
  MIR: 118
  StrongCG: 1
  GUB cover: 2
  Zero half: 18
  RLT: 57
  BQP: 1

Explored 1 nodes (49018 simplex iterations) in 50.07 seconds (45.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 11 ... 8

Time limit reached
Best objective 1.500000000000e+01, best bound 4.000000000000e+01, gap 166.6667%

Wrote result file './lp_solutions/grafo6010.35.sol'

