
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:18:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7287.43.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/grafo7287.43.lp
Reading time = 0.48 seconds
: 223850 rows, 2981 columns, 674423 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 223850 rows, 2981 columns and 674423 nonzeros
Model fingerprint: 0x45d14e32
Variable types: 56 continuous, 2925 integer (2925 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 85549 rows and 28 columns
Presolve time: 2.08s
Presolved: 138301 rows, 2953 columns, 418459 nonzeros
Variable types: 0 continuous, 2953 integer (2897 binary)
Root relaxation presolved: 2950 rows, 141251 columns, 421412 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   10089    9.6156763e+01   0.000000e+00   1.829162e+06      5s
   26422    6.7236279e+01   0.000000e+00   1.078891e+06     10s
   39655    6.2668158e+01   0.000000e+00   3.183424e+05     15s
   52748    6.2628625e+01   0.000000e+00   5.447069e+04     20s
   66969    6.2600724e+01   0.000000e+00   2.260189e+04     25s
   81177    6.2586409e+01   0.000000e+00   5.635979e+04     30s
   94801    6.2579117e+01   0.000000e+00   1.043856e+04     35s
  109670    6.2574671e+01   0.000000e+00   2.081897e+03     40s
  124555    6.2572169e+01   0.000000e+00   7.571454e+02     45s

Root relaxation: time limit, 0 iterations, 47.47 seconds (27.95 work units)

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

H    0     0                       3.0000000  342.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.05 seconds (29.99 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Time limit reached
Best objective 3.000000000000e+00, best bound 3.420000000000e+02, gap 11300.0000%

Wrote result file './lp_solutions/grafo7287.43.sol'

