
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 07:07:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7399.46.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/grafo7399.46.lp
Reading time = 0.23 seconds
: 147194 rows, 3058 columns, 444386 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 147194 rows, 3058 columns and 444386 nonzeros
Model fingerprint: 0x966cb046
Variable types: 57 continuous, 3001 integer (3001 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]
Found heuristic solution: objective 1.0000000
Presolve removed 33705 rows and 1 columns
Presolve time: 0.86s
Presolved: 113489 rows, 3057 columns, 343735 nonzeros
Variable types: 0 continuous, 3057 integer (3000 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 3015 rows, 116504 columns, 346792 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17066    6.6972828e+01   0.000000e+00   2.169979e+05      5s
   33825    6.1934556e+01   0.000000e+00   1.085011e+05     10s
   49690    6.1916479e+01   0.000000e+00   4.028717e+04     15s
   66306    6.1906771e+01   0.000000e+00   2.054343e+04     20s
   83075    6.1900959e+01   0.000000e+00   6.649516e+04     25s
  100120    6.1897392e+01   0.000000e+00   9.492264e+02     30s
  116870    6.1895804e+01   0.000000e+00   2.668811e+02     35s
  134373    6.1895472e+01   0.000000e+00   5.268111e+00     40s
  135235    6.2000000e+01   0.000000e+00   0.000000e+00     40s
  135235    6.2000000e+01   0.000000e+00   0.000000e+00     40s
  135235    6.2000000e+01   0.000000e+00   0.000000e+00     40s

Root relaxation: objective 6.200000e+01, 135235 iterations, 39.45 seconds (32.94 work units)

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

     0     0   62.00000    0 2121   11.00000   62.00000   464%     -   50s

Explored 1 nodes (138791 simplex iterations) in 50.04 seconds (44.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 6.200000000000e+01, gap 463.6364%

Wrote result file './lp_solutions/grafo7399.46.sol'

