
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:24:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6134.45.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/grafo6134.45.lp
Reading time = 0.74 seconds
: 296857 rows, 2540 columns, 892676 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 296857 rows, 2540 columns and 892676 nonzeros
Model fingerprint: 0x3565b86e
Variable types: 47 continuous, 2493 integer (2493 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, 5e+01]
Presolve removed 130415 rows and 6 columns
Presolve time: 2.47s
Presolved: 166442 rows, 2534 columns, 501874 nonzeros
Variable types: 0 continuous, 2534 integer (2487 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2521 rows, 168963 columns, 504408 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12239    7.9733316e+01   0.000000e+00   1.803645e+05      5s
   31775    3.9909796e+01   0.000000e+00   1.544871e+05     10s
   48377    3.9810159e+01   0.000000e+00   5.442359e+04     15s
   66329    3.9775822e+01   0.000000e+00   1.319227e+04     20s
   83533    3.9765847e+01   0.000000e+00   2.637259e+03     25s
  101052    4.0000000e+01   0.000000e+00   0.000000e+00     30s
  101052    4.0000000e+01   0.000000e+00   0.000000e+00     30s
  101052    4.0000000e+01   0.000000e+00   0.000000e+00     30s

Root relaxation: objective 4.000000e+01, 101052 iterations, 27.13 seconds (15.81 work units)

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

     0     0   40.00000    0 1392   10.00000   40.00000   300%     -   50s

Explored 1 nodes (110161 simplex iterations) in 50.07 seconds (35.41 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 10 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.000000000000e+01, gap 300.0000%

Wrote result file './lp_solutions/grafo6134.45.sol'

