
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 04:41:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10395.36.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/grafo10395.36.lp
Reading time = 0.09 seconds
: 56180 rows, 1651 columns, 169794 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 56180 rows, 1651 columns and 169794 nonzeros
Model fingerprint: 0x62119a46
Variable types: 38 continuous, 1613 integer (1613 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 15808 rows and 23 columns
Presolve time: 0.36s
Presolved: 40372 rows, 1628 columns, 122862 nonzeros
Variable types: 0 continuous, 1628 integer (1590 binary)
Root relaxation presolved: 24796 rows, 17204 columns, 91710 nonzeros


Root relaxation: objective 3.400000e+01, 1442 iterations, 0.50 seconds (0.40 work units)

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

     0     0   34.00000    0  318          -   34.00000      -     -    2s
H    0     0                      10.0000000   34.00000   240%     -    2s
H    0     0                      15.0000000   34.00000   127%     -    2s
     0     0   34.00000    0  579   15.00000   34.00000   127%     -    6s
     0     0   34.00000    0  544   15.00000   34.00000   127%     -    7s
H    0     0                      16.0000000   34.00000   112%     -   17s
H    0     0                      17.0000000   34.00000   100%     -   17s
     0     0   34.00000    0  325   17.00000   34.00000   100%     -   17s
     0     0   34.00000    0  347   17.00000   34.00000   100%     -   18s
H    0     0                      18.0000000   34.00000  88.9%     -   39s
     0     0   34.00000    0  447   18.00000   34.00000  88.9%     -   39s
     0     0   34.00000    0  429   18.00000   34.00000  88.9%     -   39s
     0     0   34.00000    0  518   18.00000   34.00000  88.9%     -   50s

Cutting planes:
  Cover: 32
  Clique: 12
  MIR: 165
  StrongCG: 1
  GUB cover: 4
  Zero half: 58
  RLT: 55
  BQP: 2

Explored 1 nodes (58167 simplex iterations) in 50.04 seconds (42.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 18 17 16 ... 10

Time limit reached
Best objective 1.800000000000e+01, best bound 3.400000000000e+01, gap 88.8889%

Wrote result file './lp_solutions/grafo10395.36.sol'

