
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:54:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6132.44.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/grafo6132.44.lp
Reading time = 0.58 seconds
: 299314 rows, 3512 columns, 901572 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 299314 rows, 3512 columns and 901572 nonzeros
Model fingerprint: 0x9924fd0d
Variable types: 62 continuous, 3450 integer (3450 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 107624 rows and 12 columns
Presolve time: 2.65s
Presolved: 191690 rows, 3500 columns, 579206 nonzeros
Variable types: 0 continuous, 3500 integer (3438 binary)
Root relaxation presolved: 3484 rows, 195174 columns, 582706 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    5348    2.3073296e+02   0.000000e+00   1.436172e+07      5s
   24770    1.3086688e+02   0.000000e+00   8.172748e+05     10s
   39288    8.2031045e+01   0.000000e+00   9.034720e+06     15s
   49525    7.7966098e+01   0.000000e+00   5.260982e+05     20s
   60656    7.5938977e+01   0.000000e+00   1.337662e+05     25s
   71534    7.5925113e+01   0.000000e+00   7.770346e+04     30s
   82059    7.5917995e+01   0.000000e+00   1.991796e+04     35s
   92983    7.5912387e+01   0.000000e+00   2.044687e+05     40s
  104038    7.5908384e+01   0.000000e+00   2.321494e+04     45s

Root relaxation: time limit, 0 iterations, 46.62 seconds (29.26 work units)

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

H    0     0                       2.0000000  449.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.09 seconds (31.77 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 2 

Time limit reached
Best objective 2.000000000000e+00, best bound 4.490000000000e+02, gap 22350.0000%

Wrote result file './lp_solutions/grafo6132.44.sol'

