
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:40:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7604.45.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/grafo7604.45.lp
Reading time = 0.92 seconds
: 493340 rows, 3689 columns, 1483825 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 493340 rows, 3689 columns and 1483825 nonzeros
Model fingerprint: 0xe49c1dcd
Variable types: 63 continuous, 3626 integer (3626 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 207975 rows and 12 columns
Presolve time: 4.24s
Presolved: 285365 rows, 3677 columns, 860448 nonzeros
Variable types: 0 continuous, 3677 integer (3614 binary)
Root relaxation presolved: 3656 rows, 289021 columns, 864125 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.3722400e+03   0.000000e+00   1.653256e+06      7s
   13651    1.9770276e+02   0.000000e+00   1.279769e+06     11s
   25867    1.4964348e+02   0.000000e+00   2.759869e+05     16s
   36553    1.3196805e+02   0.000000e+00   5.789044e+05     20s
   46966    1.0549546e+02   0.000000e+00   3.650452e+05     25s
   57398    9.6459949e+01   0.000000e+00   9.230662e+05     30s
   67891    8.4413428e+01   0.000000e+00   3.169235e+05     36s
   77862    7.6878630e+01   0.000000e+00   2.009791e+05     40s
   87147    7.5855373e+01   0.000000e+00   1.475411e+05     45s

Root relaxation: time limit, 0 iterations, 44.81 seconds (26.96 work units)

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

H    0     0                       2.0000000  506.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.08 seconds (31.19 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 2 

Time limit reached
Best objective 2.000000000000e+00, best bound 5.060000000000e+02, gap 25200.0000%

Wrote result file './lp_solutions/grafo7604.45.sol'

