
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 06:04:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6535.49.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/grafo6535.49.lp
Reading time = 0.47 seconds
: 236910 rows, 3331 columns, 713776 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 236910 rows, 3331 columns and 713776 nonzeros
Model fingerprint: 0xe4cace59
Variable types: 58 continuous, 3273 integer (3273 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 75640 rows and 34 columns
Presolve time: 2.43s
Presolved: 161270 rows, 3297 columns, 487327 nonzeros
Variable types: 0 continuous, 3297 integer (3239 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 3297 rows, 164567 columns, 490624 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    8610    1.0394289e+02   0.000000e+00   3.355229e+06      5s
   24162    6.9728170e+01   0.000000e+00   8.957794e+05     10s
   35642    6.1666980e+01   0.000000e+00   1.697782e+05     15s
   47502    6.1622153e+01   0.000000e+00   1.430225e+05     20s
   59358    6.1601776e+01   0.000000e+00   2.637681e+04     25s
   70590    6.1592867e+01   0.000000e+00   8.370886e+04     30s
   80574    6.1588058e+01   0.000000e+00   1.117326e+04     35s
   91806    6.1584634e+01   0.000000e+00   2.762173e+03     40s
  102414    6.1582990e+01   0.000000e+00   4.466646e+02     45s

Root relaxation: time limit, 112769 iterations, 47.09 seconds (27.29 work units)

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

     0     0          -    0         5.00000  311.00000  6120%     -   50s

Explored 1 nodes (112769 simplex iterations) in 50.02 seconds (29.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 3.110000000000e+02, gap 6120.0000%

Wrote result file './lp_solutions/grafo6535.49.sol'

