
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:03:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7640.45.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/grafo7640.45.lp
Reading time = 0.34 seconds
: 212632 rows, 3491 columns, 641485 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 212632 rows, 3491 columns and 641485 nonzeros
Model fingerprint: 0x5ed39104
Variable types: 63 continuous, 3428 integer (3428 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 59155 rows and 1 columns
Presolve time: 1.35s
Presolved: 153477 rows, 3490 columns, 464554 nonzeros
Variable types: 0 continuous, 3490 integer (3427 binary)
Root relaxation presolved: 3457 rows, 156934 columns, 468044 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16080    8.9253655e+01   0.000000e+00   1.645024e+06      5s
   31686    7.5563530e+01   0.000000e+00   9.118102e+05     10s
   44737    7.4514369e+01   0.000000e+00   9.538646e+04     15s
   59086    7.3488467e+01   0.000000e+00   2.149590e+05     20s
   72675    7.3472066e+01   0.000000e+00   2.221808e+04     25s
   86238    7.3460945e+01   0.000000e+00   4.874315e+04     30s
   99919    7.3453323e+01   0.000000e+00   1.003873e+05     35s
  113623    7.3447770e+01   0.000000e+00   3.579560e+04     40s
  126900    7.3444080e+01   0.000000e+00   5.248271e+03     45s

Root relaxation: time limit, 0 iterations, 48.30 seconds (36.38 work units)

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

H    0     0                       3.0000000  335.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.03 seconds (38.16 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Time limit reached
Best objective 3.000000000000e+00, best bound 3.350000000000e+02, gap 11066.6667%

Wrote result file './lp_solutions/grafo7640.45.sol'

