
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:31:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7405.46.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/grafo7405.46.lp
Reading time = 0.24 seconds
: 143623 rows, 3462 columns, 434364 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 143623 rows, 3462 columns and 434364 nonzeros
Model fingerprint: 0x187d07c3
Variable types: 63 continuous, 3399 integer (3399 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 21112 rows and 67 columns
Presolve time: 1.21s
Presolved: 122511 rows, 3395 columns, 371690 nonzeros
Variable types: 0 continuous, 3395 integer (3332 binary)
Root relaxation presolved: 3386 rows, 125897 columns, 375085 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13536    6.3007669e+01   0.000000e+00   4.944908e+05      5s
   27741    6.2969068e+01   0.000000e+00   1.040140e+05     10s
   41317    6.2954251e+01   0.000000e+00   4.665085e+04     15s
   53955    6.2945151e+01   0.000000e+00   2.976963e+04     20s
   66597    6.2938207e+01   0.000000e+00   4.303336e+04     25s
   79701    6.2933028e+01   0.000000e+00   1.517471e+04     30s
   92343    6.2929081e+01   0.000000e+00   1.415021e+04     35s
  104979    6.2926646e+01   0.000000e+00   1.126845e+04     40s
  117178    6.2925312e+01   0.000000e+00   3.507396e+03     45s

Root relaxation: time limit, 0 iterations, 48.49 seconds (36.96 work units)

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

H    0     0                       5.0000000  245.00000  4800%     -   50s

Explored 1 nodes (0 simplex iterations) in 50.07 seconds (38.41 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 2.450000000000e+02, gap 4800.0000%

Wrote result file './lp_solutions/grafo7405.46.sol'

