
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:57:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6539.47.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/grafo6539.47.lp
Reading time = 0.28 seconds
: 161059 rows, 3514 columns, 486690 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 161059 rows, 3514 columns and 486690 nonzeros
Model fingerprint: 0xf2cd7f94
Variable types: 63 continuous, 3451 integer (3451 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, 6e+01]
Presolve removed 28573 rows and 48 columns
Presolve time: 1.40s
Presolved: 132486 rows, 3466 columns, 401596 nonzeros
Variable types: 0 continuous, 3466 integer (3403 binary)
Root relaxation presolved: 3463 rows, 135949 columns, 405062 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   10969    6.6643098e+01   0.000000e+00   2.118464e+05      5s
   23975    6.4556762e+01   0.000000e+00   4.704195e+04     10s
   36455    6.4530406e+01   0.000000e+00   4.379604e+04     15s
   46335    6.4521354e+01   0.000000e+00   1.143771e+04     20s
   58295    6.4515048e+01   0.000000e+00   6.308632e+03     25s
   68695    6.4512648e+01   0.000000e+00   9.519351e+02     30s
   79095    6.4511380e+01   0.000000e+00   1.655730e+03     35s
   89495    6.4510999e+01   0.000000e+00   8.192021e+01     40s
   91611    6.5000000e+01   0.000000e+00   0.000000e+00     41s
   91611    6.5000000e+01   0.000000e+00   0.000000e+00     41s
   91611    6.5000000e+01   0.000000e+00   0.000000e+00     41s

Root relaxation: objective 6.500000e+01, 91611 iterations, 39.55 seconds (25.04 work units)

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

     0     0   65.00000    0 2021          -   65.00000      -     -   50s
H    0     0                       5.0000000   65.00000  1200%     -   50s

Explored 1 nodes (93930 simplex iterations) in 50.08 seconds (34.78 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 6.500000000000e+01, gap 1200.0000%

Wrote result file './lp_solutions/grafo6539.47.sol'

