
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:43:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6376.48.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/grafo6376.48.lp
Reading time = 0.57 seconds
: 260622 rows, 3306 columns, 784984 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 260622 rows, 3306 columns and 784984 nonzeros
Model fingerprint: 0x09e6f59a
Variable types: 59 continuous, 3247 integer (3247 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 86967 rows and 39 columns
Presolve time: 2.89s
Presolved: 173655 rows, 3267 columns, 524548 nonzeros
Variable types: 0 continuous, 3267 integer (3208 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 3264 rows, 176919 columns, 527815 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    4125    1.2316194e+02   0.000000e+00   8.227807e+05      5s
   19911    5.5910529e+01   0.000000e+00   6.327706e+05     10s
   32051    5.2796759e+01   0.000000e+00   2.496390e+05     15s
   44009    5.1735096e+01   0.000000e+00   1.137840e+05     20s
   55943    5.1711583e+01   0.000000e+00   1.759486e+04     25s
   67175    5.1698856e+01   0.000000e+00   3.167383e+04     30s
   79109    5.1690856e+01   0.000000e+00   1.650624e+04     35s
   90341    5.1687009e+01   0.000000e+00   2.975809e+03     40s
  102275    5.1685484e+01   0.000000e+00   8.482951e+01     45s
  109573    5.2000000e+01   0.000000e+00   0.000000e+00     49s
  109573    5.2000000e+01   0.000000e+00   0.000000e+00     49s
  109573    5.2000000e+01   0.000000e+00   0.000000e+00     49s

Root relaxation: objective 5.200000e+01, 109573 iterations, 45.24 seconds (26.13 work units)

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

     0     0   52.00000    0 1736   11.00000   52.00000   373%     -   50s

Explored 1 nodes (109731 simplex iterations) in 50.09 seconds (29.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 11 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.200000000000e+01, gap 372.7273%

Wrote result file './lp_solutions/grafo6376.48.sol'

