
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:55:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6259.44.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/grafo6259.44.lp
Reading time = 1.73 seconds
: 767688 rows, 3545 columns, 2306704 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 767688 rows, 3545 columns and 2306704 nonzeros
Model fingerprint: 0xebb6d7dc
Variable types: 61 continuous, 3484 integer (3484 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]
Found heuristic solution: objective 1.0000000
Presolve removed 355064 rows and 7 columns (presolve time = 5s) ...
Presolve removed 355070 rows and 13 columns
Presolve time: 7.28s
Presolved: 412618 rows, 3532 columns, 1241860 nonzeros
Variable types: 0 continuous, 3532 integer (3471 binary)
Found heuristic solution: objective 13.0000000
Root relaxation presolved: 3526 rows, 416144 columns, 1245392 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.1768200e+03   0.000000e+00   2.360246e+06     10s
    1600    4.5461222e+02   0.000000e+00   1.756996e+07     10s
   23636    1.8633026e+02   0.000000e+00   7.611812e+05     15s
   42664    1.6340855e+02   0.000000e+00   2.592131e+05     21s
   58929    1.2752652e+02   0.000000e+00   5.793391e+06     28s
   65178    1.1740946e+02   0.000000e+00   2.091979e+05     32s
   72488    9.9947988e+01   0.000000e+00   2.089789e+06     36s
   81988    8.1906475e+01   0.000000e+00   1.077963e+06     41s
   92131    8.1857013e+01   0.000000e+00   2.627544e+05     45s

Root relaxation: time limit, 102436 iterations, 41.90 seconds (24.70 work units)

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

     0     0          -    0        13.00000  535.00000  4015%     -   50s

Explored 1 nodes (102436 simplex iterations) in 50.08 seconds (30.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 1 

Time limit reached
Best objective 1.300000000000e+01, best bound 5.350000000000e+02, gap 4015.3846%

Wrote result file './lp_solutions/grafo6259.44.sol'

