
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:45:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6833.48.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/grafo6833.48.lp
Reading time = 0.67 seconds
: 341374 rows, 3883 columns, 1028052 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 341374 rows, 3883 columns and 1028052 nonzeros
Model fingerprint: 0x7bb37e5a
Variable types: 65 continuous, 3818 integer (3818 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 119195 rows and 30 columns
Presolve time: 3.16s
Presolved: 222179 rows, 3853 columns, 671167 nonzeros
Variable types: 0 continuous, 3853 integer (3788 binary)
Root relaxation presolved: 3853 rows, 226032 columns, 675020 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.0054000e+03   0.000000e+00   1.005329e+06      5s
   21011    1.3399901e+02   0.000000e+00   1.072406e+06     10s
   33489    1.0036989e+02   0.000000e+00   1.298899e+06     15s
   44714    8.0070600e+01   0.000000e+00   1.817730e+06     20s
   54286    7.4697031e+01   0.000000e+00   5.322173e+05     25s
   63695    7.1639303e+01   0.000000e+00   1.898384e+05     30s
   73272    7.1605076e+01   0.000000e+00   8.209461e+04     35s
   82852    7.1583059e+01   0.000000e+00   6.430323e+04     40s
   91630    7.1570004e+01   0.000000e+00   1.159986e+05     45s

Root relaxation: time limit, 0 iterations, 46.05 seconds (26.65 work units)

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

H    0     0                       1.0000000  442.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.09 seconds (29.72 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 1 

Time limit reached
Best objective 1.000000000000e+00, best bound 4.420000000000e+02, gap 44100.0000%

Wrote result file './lp_solutions/grafo6833.48.sol'

