
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:27:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11359.37.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/grafo11359.37.lp
Reading time = 0.10 seconds
: 59457 rows, 1812 columns, 179805 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 59457 rows, 1812 columns and 179805 nonzeros
Model fingerprint: 0x316893e6
Variable types: 39 continuous, 1773 integer (1773 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 16998 rows and 74 columns
Presolve time: 0.34s
Presolved: 42459 rows, 1738 columns, 129109 nonzeros
Variable types: 0 continuous, 1738 integer (1699 binary)
Root relaxation presolved: 25550 rows, 18647 columns, 95291 nonzeros


Root relaxation: objective 3.600000e+01, 1301 iterations, 0.33 seconds (0.28 work units)

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

     0     0   36.00000    0  253          -   36.00000      -     -    1s
H    0     0                      13.0000000   36.00000   177%     -    2s
H    0     0                      16.0000000   36.00000   125%     -    2s
     0     0   36.00000    0  478   16.00000   36.00000   125%     -    3s
     0     0   36.00000    0  496   16.00000   36.00000   125%     -    5s
H    0     0                      17.0000000   36.00000   112%     -   13s
     0     0   35.00000    0  349   17.00000   35.00000   106%     -   13s
     0     0   35.00000    0  356   17.00000   35.00000   106%     -   14s
     0     0   35.00000    0  367   17.00000   35.00000   106%     -   20s
     0     0   35.00000    0  457   17.00000   35.00000   106%     -   21s
     0     0   35.00000    0  358   17.00000   35.00000   106%     -   34s
     0     0   35.00000    0  366   17.00000   35.00000   106%     -   35s
H    0     0                      19.0000000   35.00000  84.2%     -   43s
     0     0   35.00000    0  305   19.00000   35.00000  84.2%     -   43s
     0     0   35.00000    0  274   19.00000   35.00000  84.2%     -   44s
     0     0   35.00000    0  496   19.00000   35.00000  84.2%     -   50s

Cutting planes:
  Cover: 27
  Clique: 16
  MIR: 92
  StrongCG: 1
  GUB cover: 1
  Zero half: 34
  RLT: 53
  BQP: 1

Explored 1 nodes (72064 simplex iterations) in 50.06 seconds (47.74 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 19 17 16 13 

Time limit reached
Best objective 1.900000000000e+01, best bound 3.500000000000e+01, gap 84.2105%

Wrote result file './lp_solutions/grafo11359.37.sol'

