
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 06:11:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7445.49.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/grafo7445.49.lp
Reading time = 0.86 seconds
: 405306 rows, 4041 columns, 1220032 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 405306 rows, 4041 columns and 1220032 nonzeros
Model fingerprint: 0x2cec4cf2
Variable types: 65 continuous, 3976 integer (3976 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 156447 rows and 5 columns
Presolve time: 3.20s
Presolved: 248859 rows, 4036 columns, 751373 nonzeros
Variable types: 0 continuous, 4036 integer (3971 binary)
Root relaxation presolved: 4023 rows, 252882 columns, 755409 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.2216600e+03   0.000000e+00   1.173389e+06      5s
   17278    1.4348044e+02   0.000000e+00   2.082028e+06     10s
   27963    1.1185852e+02   0.000000e+00   5.877268e+05     15s
   38901    9.8339927e+01   0.000000e+00   7.518148e+05     21s
   48067    8.7644778e+01   0.000000e+00   3.843025e+05     25s
   57080    8.4600466e+01   0.000000e+00   2.528018e+05     30s
   65938    8.1569369e+01   0.000000e+00   5.896071e+05     35s
   74766    8.1543076e+01   0.000000e+00   2.497395e+05     40s
   83587    8.1522421e+01   0.000000e+00   3.744036e+05     45s

Root relaxation: time limit, 0 iterations, 45.84 seconds (26.03 work units)

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

H    0     0                       5.0000000  533.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.08 seconds (29.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 5.330000000000e+02, gap 10560.0000%

Wrote result file './lp_solutions/grafo7445.49.sol'

