
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:22:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6828.47.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/grafo6828.47.lp
Reading time = 1.60 seconds
: 787941 rows, 5245 columns, 2369957 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 787941 rows, 5245 columns and 2369957 nonzeros
Model fingerprint: 0xb67d058d
Variable types: 79 continuous, 5166 integer (5166 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, 8e+01]
Presolve removed 323653 rows and 3 columns (presolve time = 5s) ...
Presolve removed 323653 rows and 3 columns
Presolve time: 6.18s
Presolved: 464288 rows, 5242 columns, 1399633 nonzeros
Variable types: 0 continuous, 5242 integer (5163 binary)
Root relaxation presolved: 5236 rows, 469524 columns, 1404875 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.9356600e+03   0.000000e+00   2.005523e+06     10s
    1692    1.2675041e+03   0.000000e+00   4.803885e+06     10s
   15373    4.0818212e+02   0.000000e+00   1.319834e+08     15s
   26472    3.4501467e+02   0.000000e+00   4.064248e+06     20s
   35903    3.1068980e+02   0.000000e+00   5.546542e+06     25s
   43171    2.9373828e+02   0.000000e+00   5.397039e+06     30s
   50404    2.8053521e+02   0.000000e+00   7.981167e+05     35s
   56600    2.7265151e+02   0.000000e+00   2.723799e+06     40s
   63135    2.5920685e+02   0.000000e+00   1.378014e+08     45s

Root relaxation: time limit, 0 iterations, 42.24 seconds (26.11 work units)

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

H    0     0                      -0.0000000  759.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.12 seconds (32.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: -0 

Time limit reached
Best objective -0.000000000000e+00, best bound 7.590000000000e+02, gap -

Wrote result file './lp_solutions/grafo6828.47.sol'

