
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:32:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6963.45.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/grafo6963.45.lp
Reading time = 0.57 seconds
: 290696 rows, 2667 columns, 874325 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 290696 rows, 2667 columns and 874325 nonzeros
Model fingerprint: 0x14bd84cd
Variable types: 49 continuous, 2618 integer (2618 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]
Presolve removed 121481 rows and 10 columns
Presolve time: 2.64s
Presolved: 169215 rows, 2657 columns, 510194 nonzeros
Variable types: 0 continuous, 2657 integer (2608 binary)
Root relaxation presolved: 2650 rows, 171865 columns, 512851 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    7387    1.2044955e+02   0.000000e+00   1.562958e+06      5s
   29031    7.0907544e+01   0.000000e+00   2.572358e+05     10s
   42356    6.1823184e+01   0.000000e+00   6.319172e+05     15s
   54871    5.7774584e+01   0.000000e+00   4.013964e+04     20s
   71041    5.7749371e+01   0.000000e+00   2.984163e+04     25s
   87211    5.7738448e+01   0.000000e+00   5.227539e+03     30s
  105603    5.7733423e+01   0.000000e+00   6.450019e+02     35s
  119064    5.8000000e+01   0.000000e+00   0.000000e+00     39s
  119064    5.8000000e+01   0.000000e+00   0.000000e+00     39s
  119064    5.8000000e+01   0.000000e+00   0.000000e+00     39s

Root relaxation: objective 5.800000e+01, 119064 iterations, 35.68 seconds (19.41 work units)

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

     0     0   58.00000    0 1567          -   58.00000      -     -   50s
H    0     0                       5.0000000   58.00000  1060%     -   50s

Explored 1 nodes (123876 simplex iterations) in 50.11 seconds (31.79 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 5.800000000000e+01, gap 1060.0000%

Wrote result file './lp_solutions/grafo6963.45.sol'

