
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:27:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6295.45.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/grafo6295.45.lp
Reading time = 0.44 seconds
: 235407 rows, 3632 columns, 710007 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 235407 rows, 3632 columns and 710007 nonzeros
Model fingerprint: 0xb1713bb8
Variable types: 64 continuous, 3568 integer (3568 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 68882 rows and 22 columns
Presolve time: 2.15s
Presolved: 166525 rows, 3610 columns, 504134 nonzeros
Variable types: 0 continuous, 3610 integer (3546 binary)
Root relaxation presolved: 3595 rows, 170120 columns, 507744 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    8590    1.2948658e+02   0.000000e+00   6.604702e+05      5s
   20697    8.9333524e+01   0.000000e+00   5.726882e+05     10s
   31944    7.3609413e+01   0.000000e+00   3.278547e+05     15s
   41722    7.1563041e+01   0.000000e+00   1.513281e+05     20s
   51449    7.1523855e+01   0.000000e+00   6.626155e+05     25s
   61051    7.1499632e+01   0.000000e+00   1.422434e+05     30s
   71251    7.1484573e+01   0.000000e+00   1.117225e+05     35s
   80251    7.1476168e+01   0.000000e+00   6.626322e+04     40s
   89851    7.1468966e+01   0.000000e+00   1.734347e+04     45s

Root relaxation: time limit, 0 iterations, 47.33 seconds (26.84 work units)

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

H    0     0                       3.0000000  399.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.05 seconds (28.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Time limit reached
Best objective 3.000000000000e+00, best bound 3.990000000000e+02, gap 13200.0000%

Wrote result file './lp_solutions/grafo6295.45.sol'

