
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 11:03:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7310.47.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/grafo7310.47.lp
Reading time = 0.60 seconds
: 152363 rows, 3111 columns, 459961 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 152363 rows, 3111 columns and 459961 nonzeros
Model fingerprint: 0xbcc78b9c
Variable types: 57 continuous, 3054 integer (3054 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 37141 rows and 2 columns
Presolve time: 1.72s
Presolved: 115222 rows, 3109 columns, 348982 nonzeros
Variable types: 0 continuous, 3109 integer (3052 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 3079 rows, 118301 columns, 352091 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    9764    7.7016972e+01   0.000000e+00   3.955158e+05      5s
   17509    6.3743606e+01   0.000000e+00   3.572763e+05     10s
   30987    6.1662655e+01   0.000000e+00   6.406575e+04     15s
   41019    6.1631204e+01   0.000000e+00   2.529002e+04     20s
   51963    6.1615110e+01   0.000000e+00   2.602931e+04     25s
   65643    6.1606586e+01   0.000000e+00   2.079192e+03     30s
   80691    6.1603957e+01   0.000000e+00   4.058854e+01     35s
   81743    6.2000000e+01   0.000000e+00   0.000000e+00     35s
   81743    6.2000000e+01   0.000000e+00   0.000000e+00     35s
   81743    6.2000000e+01   0.000000e+00   0.000000e+00     35s

Root relaxation: objective 6.200000e+01, 81743 iterations, 33.36 seconds (17.70 work units)

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

     0     0   62.00000    0 1716    6.00000   62.00000   933%     -   50s

Explored 1 nodes (88652 simplex iterations) in 50.05 seconds (32.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 6.200000000000e+01, gap 933.3333%

Wrote result file './lp_solutions/grafo7310.47.sol'

