
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:20:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10136.39.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/grafo10136.39.lp
Reading time = 0.11 seconds
: 68050 rows, 1910 columns, 205640 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 68050 rows, 1910 columns and 205640 nonzeros
Model fingerprint: 0xb0db482d
Variable types: 41 continuous, 1869 integer (1869 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 17506 rows and 26 columns
Presolve time: 0.48s
Presolved: 50544 rows, 1884 columns, 153701 nonzeros
Variable types: 0 continuous, 1884 integer (1843 binary)
Root relaxation presolved: 1884 rows, 52428 columns, 155585 nonzeros


Root relaxation: objective 3.600000e+01, 2094 iterations, 0.50 seconds (0.55 work units)
Total elapsed time = 6.26s (DegenMoves)

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

     0     0   36.00000    0  519          -   36.00000      -     -    6s
H    0     0                       9.0000000   36.00000   300%     -    6s
H    0     0                      10.0000000   36.00000   260%     -    6s
H    0     0                      11.0000000   36.00000   227%     -    9s
H    0     0                      12.0000000   36.00000   200%     -    9s
     0     0   36.00000    0  657   12.00000   36.00000   200%     -   14s
H    0     0                      14.0000000   36.00000   157%     -   17s
     0     0   36.00000    0  657   14.00000   36.00000   157%     -   17s
     0     0   36.00000    0  267   14.00000   36.00000   157%     -   31s
H    0     0                      16.0000000   36.00000   125%     -   31s
     0     0   36.00000    0  400   16.00000   36.00000   125%     -   32s
     0     0   36.00000    0  286   16.00000   36.00000   125%     -   36s
     0     0   36.00000    0  267   16.00000   36.00000   125%     -   37s
     0     0   36.00000    0  526   16.00000   36.00000   125%     -   47s
     0     0   36.00000    0  489   16.00000   36.00000   125%     -   49s
     0     0          -    0        16.00000   36.00000   125%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 25
  Clique: 8
  MIR: 114
  StrongCG: 2
  GUB cover: 3
  Zero half: 30
  RLT: 57

Explored 1 nodes (53515 simplex iterations) in 50.06 seconds (42.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 14 12 ... 9

Time limit reached
Best objective 1.600000000000e+01, best bound 3.600000000000e+01, gap 125.0000%

Wrote result file './lp_solutions/grafo10136.39.sol'

