
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 11:00:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6979.47.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/grafo6979.47.lp
Reading time = 0.32 seconds
: 182632 rows, 3053 columns, 550648 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 182632 rows, 3053 columns and 550648 nonzeros
Model fingerprint: 0x76507043
Variable types: 55 continuous, 2998 integer (2998 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 54401 rows and 12 columns
Presolve time: 1.41s
Presolved: 128231 rows, 3041 columns, 387888 nonzeros
Variable types: 0 continuous, 3041 integer (2986 binary)
Root relaxation presolved: 3027 rows, 131258 columns, 390929 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12315    7.3994461e+01   0.000000e+00   3.578837e+05      5s
   24323    5.9930187e+01   0.000000e+00   6.891717e+04     10s
   35212    5.9908615e+01   0.000000e+00   1.541896e+04     15s
   48684    5.9898162e+01   0.000000e+00   1.360840e+04     20s
   60080    5.9893987e+01   0.000000e+00   1.821174e+04     25s
   72517    5.9891944e+01   0.000000e+00   1.410450e+03     30s
   80805    5.9891270e+01   0.000000e+00   5.461271e+03     35s
   89611    5.9890961e+01   0.000000e+00   2.411804e+02     40s
   96939    6.0000000e+01   0.000000e+00   0.000000e+00     44s
   96939    6.0000000e+01   0.000000e+00   0.000000e+00     44s
   96939    6.0000000e+01   0.000000e+00   0.000000e+00     44s

Root relaxation: objective 6.000000e+01, 96939 iterations, 42.42 seconds (22.44 work units)

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

     0     0   60.00000    0 1926          -   60.00000      -     -   50s
H    0     0                       5.0000000   60.00000  1100%     -   50s

Explored 1 nodes (98292 simplex iterations) in 50.08 seconds (28.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 6.000000000000e+01, gap 1100.0000%

Wrote result file './lp_solutions/grafo6979.47.sol'

