
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 06:08:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7010.49.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/grafo7010.49.lp
Reading time = 0.56 seconds
: 281358 rows, 3779 columns, 847876 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 281358 rows, 3779 columns and 847876 nonzeros
Model fingerprint: 0x96086ab1
Variable types: 63 continuous, 3716 integer (3716 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 93736 rows and 12 columns
Presolve time: 2.45s
Presolved: 187622 rows, 3767 columns, 567382 nonzeros
Variable types: 0 continuous, 3767 integer (3704 binary)
Root relaxation presolved: 3752 rows, 191374 columns, 571149 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7271    1.2853053e+02   0.000000e+00   1.106729e+06      5s
   20538    6.7655211e+01   0.000000e+00   7.592506e+05     10s
   30345    6.5582531e+01   0.000000e+00   9.581768e+04     15s
   40800    6.5526403e+01   0.000000e+00   9.277651e+04     20s
   51255    6.5492572e+01   0.000000e+00   3.074605e+04     25s
   61710    6.5476167e+01   0.000000e+00   3.686339e+04     30s
   71468    6.5468512e+01   0.000000e+00   7.985968e+04     35s
   81226    6.5463492e+01   0.000000e+00   7.521195e+03     40s
   90287    6.5460543e+01   0.000000e+00   3.629088e+03     45s

Root relaxation: time limit, 0 iterations, 47.01 seconds (27.35 work units)

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

H    0     0                       3.0000000  434.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.05 seconds (29.76 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Time limit reached
Best objective 3.000000000000e+00, best bound 4.340000000000e+02, gap 14366.6667%

Wrote result file './lp_solutions/grafo7010.49.sol'

