
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:43:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6473.39.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/grafo6473.39.lp
Reading time = 0.09 seconds
: 54678 rows, 1779 columns, 165344 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 54678 rows, 1779 columns and 165344 nonzeros
Model fingerprint: 0xa0e724c7
Variable types: 40 continuous, 1739 integer (1739 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 9818 rows and 24 columns
Presolve time: 0.35s
Presolved: 44860 rows, 1755 columns, 136234 nonzeros
Variable types: 0 continuous, 1755 integer (1715 binary)
Root relaxation presolved: 25841 rows, 20774 columns, 98196 nonzeros


Root relaxation: objective 3.800000e+01, 3717 iterations, 1.62 seconds (1.51 work units)
Total elapsed time = 14.00s (DegenMoves)
Total elapsed time = 15.44s (DegenMoves)

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

     0     0   38.00000    0  358          -   38.00000      -     -   17s
H    0     0                       9.0000000   38.00000   322%     -   17s
     0     0   38.00000    0  549    9.00000   38.00000   322%     -   20s
H    0     0                      10.0000000   38.00000   280%     -   21s
     0     0   38.00000    0  500   10.00000   38.00000   280%     -   21s
H    0     0                      11.0000000   38.00000   245%     -   27s
     0     0   38.00000    0  389   11.00000   38.00000   245%     -   27s
     0     0   38.00000    0  280   11.00000   38.00000   245%     -   28s
H    0     0                      12.0000000   38.00000   217%     -   41s
H    0     0                      14.0000000   38.00000   171%     -   41s
     0     0   38.00000    0  394   14.00000   38.00000   171%     -   41s
     0     0   38.00000    0  338   14.00000   38.00000   171%     -   42s
     0     0   38.00000    0  356   14.00000   38.00000   171%     -   49s
     0     0   38.00000    0  279   14.00000   38.00000   171%     -   49s
     0     0          -    0        14.00000   38.00000   171%     -   50s

Cutting planes:
  Cover: 31
  Clique: 3
  MIR: 153
  GUB cover: 1
  Zero half: 31
  RLT: 51
  Relax-and-lift: 1

Explored 1 nodes (74641 simplex iterations) in 50.07 seconds (51.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 12 11 ... 9

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo6473.39.sol'

