
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:52:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6096.47.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/grafo6096.47.lp
Reading time = 0.40 seconds
: 156568 rows, 3112 columns, 472585 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 156568 rows, 3112 columns and 472585 nonzeros
Model fingerprint: 0x52e2f90d
Variable types: 56 continuous, 3056 integer (3056 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 39497 rows and 4 columns
Presolve time: 1.11s
Presolved: 117071 rows, 3108 columns, 354655 nonzeros
Variable types: 0 continuous, 3108 integer (3052 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 3085 rows, 120156 columns, 357763 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14544    6.5996456e+01   0.000000e+00   5.033290e+05      5s
   27713    5.9952948e+01   0.000000e+00   2.140189e+05     10s
   41557    5.9935513e+01   0.000000e+00   4.764988e+04     15s
   56959    5.9924385e+01   0.000000e+00   2.137904e+04     20s
   70806    5.9918180e+01   0.000000e+00   5.783969e+03     25s
   81006    5.9914519e+01   0.000000e+00   1.163670e+04     30s
   90020    5.9912154e+01   0.000000e+00   9.621519e+03     35s
   98070    5.9910296e+01   0.000000e+00   2.412475e+03     40s
  109720    5.9908675e+01   0.000000e+00   4.609528e+03     45s

Root relaxation: time limit, 121857 iterations, 48.58 seconds (31.92 work units)

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

     0     0          -    0        10.00000  302.00000  2920%     -   50s

Explored 1 nodes (121857 simplex iterations) in 50.01 seconds (33.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 10 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.020000000000e+02, gap 2920.0000%

Wrote result file './lp_solutions/grafo6096.47.sol'

