
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:29:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7628.47.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/grafo7628.47.lp
Reading time = 0.42 seconds
: 221317 rows, 3380 columns, 667283 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 221317 rows, 3380 columns and 667283 nonzeros
Model fingerprint: 0xa8864e5b
Variable types: 60 continuous, 3320 integer (3320 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 65910 rows and 15 columns
Presolve time: 1.92s
Presolved: 155407 rows, 3365 columns, 469918 nonzeros
Variable types: 0 continuous, 3365 integer (3305 binary)
Root relaxation presolved: 3353 rows, 158760 columns, 473283 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    8914    1.0438857e+02   0.000000e+00   2.689442e+06      5s
   20694    7.3967798e+01   0.000000e+00   5.039457e+05     10s
   30790    6.5932114e+01   0.000000e+00   7.755430e+04     15s
   41953    6.5905962e+01   0.000000e+00   1.363549e+05     20s
   53147    6.5891709e+01   0.000000e+00   9.218164e+04     25s
   64271    6.5882550e+01   0.000000e+00   4.234118e+05     30s
   74813    6.5877077e+01   0.000000e+00   1.248357e+04     35s
   85355    6.5872823e+01   0.000000e+00   1.335252e+04     40s
   95894    6.5869709e+01   0.000000e+00   2.038400e+04     45s

Root relaxation: time limit, 0 iterations, 47.68 seconds (30.07 work units)

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

H    0     0                       5.0000000  329.00000  6480%     -   50s

Explored 1 nodes (0 simplex iterations) in 50.07 seconds (31.92 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 3.290000000000e+02, gap 6480.0000%

Wrote result file './lp_solutions/grafo7628.47.sol'

