
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 06:00:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6385.49.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/grafo6385.49.lp
Reading time = 0.58 seconds
: 282729 rows, 3971 columns, 852238 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 282729 rows, 3971 columns and 852238 nonzeros
Model fingerprint: 0x4073cd8f
Variable types: 66 continuous, 3905 integer (3905 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, 7e+01]
Presolve removed 85244 rows and 0 columns
Presolve time: 2.29s
Presolved: 197485 rows, 3971 columns, 597090 nonzeros
Variable types: 0 continuous, 3971 integer (3905 binary)
Root relaxation presolved: 3938 rows, 201423 columns, 601061 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    6277    1.9956848e+02   0.000000e+00   2.052165e+06      5s
   20786    1.0660166e+02   0.000000e+00   1.338723e+06     10s
   31015    7.4711198e+01   0.000000e+00   6.364417e+05     15s
   39858    7.4648821e+01   0.000000e+00   1.965445e+05     20s
   49942    7.4610379e+01   0.000000e+00   2.029821e+05     25s
   58878    7.4584173e+01   0.000000e+00   4.586878e+05     30s
   68195    7.4558808e+01   0.000000e+00   1.566954e+05     35s
   76765    7.4542362e+01   0.000000e+00   5.293112e+04     40s
   85333    7.4531083e+01   0.000000e+00   9.156917e+04     45s

Root relaxation: time limit, 0 iterations, 47.07 seconds (26.22 work units)

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

H    0     0                       2.0000000  419.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.08 seconds (28.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 2 

Time limit reached
Best objective 2.000000000000e+00, best bound 4.190000000000e+02, gap 20850.0000%

Wrote result file './lp_solutions/grafo6385.49.sol'

