
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:34:39 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3327.48.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/grafo3327.48.lp
Reading time = 1.28 seconds
: 609028 rows, 4225 columns, 1831543 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 609028 rows, 4225 columns and 1831543 nonzeros
Model fingerprint: 0x16e95632
Variable types: 67 continuous, 4158 integer (4158 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 268992 rows and 16 columns (presolve time = 5s) ...
Presolve removed 268992 rows and 16 columns
Presolve time: 5.20s
Presolved: 340036 rows, 4209 columns, 1025326 nonzeros
Variable types: 0 continuous, 4209 integer (4142 binary)
Root relaxation presolved: 4194 rows, 344230 columns, 1029535 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.4330400e+03   0.000000e+00   2.024308e+06      8s
   10498    2.6676380e+02   0.000000e+00   5.148401e+06     10s
   25061    1.7650978e+02   0.000000e+00   1.225315e+06     15s
   35905    1.4016007e+02   0.000000e+00   3.278995e+05     21s
   45554    1.2607806e+02   0.000000e+00   5.981800e+05     26s
   52699    1.0705042e+02   0.000000e+00   1.223689e+06     30s
   62490    9.1958746e+01   0.000000e+00   9.740385e+05     36s
   71586    8.4900468e+01   0.000000e+00   2.962124e+06     41s
   78603    8.3866756e+01   0.000000e+00   2.861838e+05     45s

Root relaxation: time limit, 0 iterations, 43.69 seconds (25.70 work units)

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

H    0     0                       6.0000000  615.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.11 seconds (30.82 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 6.150000000000e+02, gap 10150.0000%

Wrote result file './lp_solutions/grafo3327.48.sol'

