
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:06:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3742.36.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/grafo3742.36.lp
Reading time = 0.16 seconds
: 82512 rows, 1825 columns, 249101 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 82512 rows, 1825 columns and 249101 nonzeros
Model fingerprint: 0x82240c79
Variable types: 42 continuous, 1783 integer (1783 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 24616 rows and 20 columns
Presolve time: 0.63s
Presolved: 57896 rows, 1805 columns, 175563 nonzeros
Variable types: 0 continuous, 1805 integer (1763 binary)
Root relaxation presolved: 1805 rows, 59701 columns, 177368 nonzeros


Root relaxation: objective 3.700000e+01, 1764 iterations, 0.40 seconds (0.35 work units)

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

     0     0   37.00000    0  370          -   37.00000      -     -    4s
H    0     0                      10.0000000   37.00000   270%     -    4s
H    0     0                      11.0000000   37.00000   236%     -    4s
     0     0   37.00000    0  503   11.00000   37.00000   236%     -    9s
     0     0   37.00000    0  498   11.00000   37.00000   236%     -    9s
H    0     0                      12.0000000   37.00000   208%     -   30s
H    0     0                      13.0000000   37.00000   185%     -   30s
     0     0   37.00000    0  474   13.00000   37.00000   185%     -   30s
     0     0   37.00000    0  463   13.00000   37.00000   185%     -   30s
     0     0   37.00000    0  405   13.00000   37.00000   185%     -   42s
     0     0   37.00000    0  389   13.00000   37.00000   185%     -   42s
     0     0   37.00000    0  535   13.00000   37.00000   185%     -   50s

Cutting planes:
  Cover: 32
  Clique: 13
  MIR: 124
  StrongCG: 1
  GUB cover: 2
  Zero half: 62
  RLT: 49

Explored 1 nodes (45076 simplex iterations) in 50.07 seconds (46.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 12 11 10 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.700000000000e+01, gap 184.6154%

Wrote result file './lp_solutions/grafo3742.36.sol'

