
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:20:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5656.45.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/grafo5656.45.lp
Reading time = 1.41 seconds
: 712437 rows, 3395 columns, 2140584 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 712437 rows, 3395 columns and 2140584 nonzeros
Model fingerprint: 0x15e33c33
Variable types: 58 continuous, 3337 integer (3337 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 -0.0000000
Presolve removed 332313 rows and 10 columns (presolve time = 5s) ...
Presolve removed 332313 rows and 10 columns
Presolve time: 6.63s
Presolved: 380124 rows, 3385 columns, 1144032 nonzeros
Variable types: 0 continuous, 3385 integer (3327 binary)
Found heuristic solution: objective 14.0000000
Root relaxation presolved: 3368 rows, 383492 columns, 1147417 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    1.0387200e+03   0.000000e+00   1.488557e+06      9s
    7839    2.4446668e+02   0.000000e+00   9.936114e+06     10s
   32057    1.7384058e+02   0.000000e+00   1.797183e+06     16s
   48283    1.6247023e+02   0.000000e+00   5.318440e+05     21s
   61020    1.3976197e+02   0.000000e+00   5.054324e+06     26s
   73098    1.2098684e+02   0.000000e+00   7.853807e+06     31s
   82630    1.1438304e+02   0.000000e+00   5.613445e+05     36s
   93808    9.0997148e+01   0.000000e+00   5.839637e+06     40s
  105376    9.0924137e+01   0.000000e+00   9.943054e+05     45s

Root relaxation: time limit, 115950 iterations, 42.62 seconds (25.07 work units)

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

     0     0          -    0        14.00000  525.00000  3650%     -   50s

Explored 1 nodes (115950 simplex iterations) in 50.07 seconds (30.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 14 -0 

Time limit reached
Best objective 1.400000000000e+01, best bound 5.250000000000e+02, gap 3650.0000%

Wrote result file './lp_solutions/grafo5656.45.sol'

