
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:54:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7715.40.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/grafo7715.40.lp
Reading time = 0.73 seconds
: 334587 rows, 2742 columns, 1006452 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 334587 rows, 2742 columns and 1006452 nonzeros
Model fingerprint: 0xd38a9e0a
Variable types: 54 continuous, 2688 integer (2688 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 143699 rows and 25 columns
Presolve time: 3.17s
Presolved: 190888 rows, 2717 columns, 575649 nonzeros
Variable types: 0 continuous, 2717 integer (2663 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2717 rows, 193605 columns, 578366 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    3746    2.0436113e+02   0.000000e+00   4.303881e+06      5s
   26983    9.4631511e+01   0.000000e+00   6.017757e+05     10s
   42541    6.8965203e+01   0.000000e+00   3.462489e+06     15s
   58679    5.8896196e+01   0.000000e+00   2.092660e+05     20s
   73616    5.8838468e+01   0.000000e+00   2.246798e+04     25s
   87697    5.8818436e+01   0.000000e+00   7.113300e+03     30s
  102601    5.8808313e+01   0.000000e+00   5.094392e+03     35s
  115849    5.8804172e+01   0.000000e+00   7.004487e+02     40s
  128096    5.9000000e+01   0.000000e+00   0.000000e+00     44s
  128096    5.9000000e+01   0.000000e+00   0.000000e+00     45s

Root relaxation: objective 5.900000e+01, 128096 iterations, 40.81 seconds (24.62 work units)
Total elapsed time = 45.15s (DegenMoves)

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

     0     0   59.00000    0 1590    5.00000   59.00000  1080%     -   50s

Explored 1 nodes (129259 simplex iterations) in 50.09 seconds (32.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 5.900000000000e+01, gap 1080.0000%

Wrote result file './lp_solutions/grafo7715.40.sol'

