
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 11:49:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6594.50.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/grafo6594.50.lp
Reading time = 0.61 seconds
: 360619 rows, 4659 columns, 1086929 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 360619 rows, 4659 columns and 1086929 nonzeros
Model fingerprint: 0x54fda7eb
Variable types: 74 continuous, 4585 integer (4585 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 108406 rows and 0 columns
Presolve time: 2.48s
Presolved: 252213 rows, 4659 columns, 762373 nonzeros
Variable types: 0 continuous, 4659 integer (4585 binary)
Root relaxation presolved: 4638 rows, 256851 columns, 767032 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    6214    2.4247450e+02   0.000000e+00   1.348359e+07      5s
   21626    1.4355264e+02   0.000000e+00   7.807943e+06     10s
   31558    1.2494133e+02   0.000000e+00   4.653564e+05     15s
   40566    1.1056071e+02   0.000000e+00   2.399753e+05     20s
   49684    1.0451694e+02   0.000000e+00   4.465194e+05     25s
   58092    1.0247734e+02   0.000000e+00   5.814418e+05     30s
   67021    1.0244309e+02   0.000000e+00   1.843719e+05     35s
   75121    1.0142782e+02   0.000000e+00   1.842097e+05     40s
   83221    1.0141133e+02   0.000000e+00   1.091362e+05     45s

Root relaxation: time limit, 0 iterations, 46.92 seconds (30.59 work units)

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

H    0     0                       3.0000000  462.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.07 seconds (33.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Time limit reached
Best objective 3.000000000000e+00, best bound 4.620000000000e+02, gap 15300.0000%

Wrote result file './lp_solutions/grafo6594.50.sol'

