
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:03:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6563.44.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/grafo6563.44.lp
Reading time = 0.65 seconds
: 342590 rows, 2682 columns, 1030058 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 342590 rows, 2682 columns and 1030058 nonzeros
Model fingerprint: 0xb88291e5
Variable types: 50 continuous, 2632 integer (2632 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, 5e+01]
Found heuristic solution: objective -0.0000000
Presolve removed 148679 rows and 18 columns
Presolve time: 3.37s
Presolved: 193911 rows, 2664 columns, 584335 nonzeros
Variable types: 0 continuous, 2664 integer (2614 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2658 rows, 196569 columns, 586999 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    3604    1.8028416e+02   0.000000e+00   3.586995e+05      5s
   27353    8.3386596e+01   0.000000e+00   2.625847e+05     10s
   42805    6.1909291e+01   0.000000e+00   5.219896e+05     15s
   59320    5.9853267e+01   0.000000e+00   5.092079e+05     20s
   75351    5.9828053e+01   0.000000e+00   6.099595e+04     25s
   92227    5.9815735e+01   0.000000e+00   1.170677e+04     30s
  107368    5.9809110e+01   0.000000e+00   3.249447e+03     35s
  125110    5.9805423e+01   0.000000e+00   1.315072e+03     40s
  141945    5.9804688e+01   0.000000e+00   1.562753e+00     45s
  142852    6.0000000e+01   0.000000e+00   0.000000e+00     45s
  142852    6.0000000e+01   0.000000e+00   0.000000e+00     45s
  142852    6.0000000e+01   0.000000e+00   0.000000e+00     46s

Root relaxation: objective 6.000000e+01, 142852 iterations, 41.82 seconds (25.02 work units)

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

     0     0   60.00000    0 1723   10.00000   60.00000   500%     -   50s

Explored 1 nodes (143750 simplex iterations) in 50.10 seconds (32.23 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 6.000000000000e+01, gap 500.0000%

Wrote result file './lp_solutions/grafo6563.44.sol'

