
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:56:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6699.46.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/grafo6699.46.lp
Reading time = 1.09 seconds
: 559072 rows, 4004 columns, 1681468 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 559072 rows, 4004 columns and 1681468 nonzeros
Model fingerprint: 0xaf39a7d3
Variable types: 66 continuous, 3938 integer (3938 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, 7e+01]
Presolve removed 236039 rows and 11 columns
Presolve time: 4.65s
Presolved: 323033 rows, 3993 columns, 973881 nonzeros
Variable types: 0 continuous, 3993 integer (3927 binary)
Root relaxation presolved: 3985 rows, 327018 columns, 977874 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.3768000e+03   0.000000e+00   1.483437e+06      7s
   12233    2.4424380e+02   0.000000e+00   5.170188e+06     10s
   25554    1.8705263e+02   0.000000e+00   4.085283e+06     15s
   37623    1.5887661e+02   0.000000e+00   2.657656e+06     20s
   49634    1.3797994e+02   0.000000e+00   1.989097e+06     25s
   59937    1.2345130e+02   0.000000e+00   1.017052e+06     30s
   69721    1.0740507e+02   0.000000e+00   4.276637e+05     36s
   78409    1.0070313e+02   0.000000e+00   3.137069e+06     40s
   86712    9.1670475e+01   0.000000e+00   8.144579e+05     45s

Root relaxation: time limit, 0 iterations, 44.35 seconds (23.61 work units)

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

H    0     0                       2.0000000  569.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.13 seconds (28.30 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 2 

Time limit reached
Best objective 2.000000000000e+00, best bound 5.690000000000e+02, gap 28350.0000%

Wrote result file './lp_solutions/grafo6699.46.sol'

