
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:05:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5955.43.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/grafo5955.43.lp
Reading time = 0.85 seconds
: 459192 rows, 2797 columns, 1380140 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 459192 rows, 2797 columns and 1380140 nonzeros
Model fingerprint: 0x72579823
Variable types: 51 continuous, 2746 integer (2746 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 218776 rows and 8 columns
Presolve time: 4.23s
Presolved: 240416 rows, 2789 columns, 724356 nonzeros
Variable types: 0 continuous, 2789 integer (2738 binary)
Root relaxation presolved: 2774 rows, 243190 columns, 727145 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    5.9432653e+02   0.000000e+00   5.096739e+05      6s
   22223    1.1351907e+02   0.000000e+00   4.856492e+05     10s
   40531    8.0996410e+01   0.000000e+00   2.359565e+05     15s
   57154    5.5936675e+01   0.000000e+00   3.265723e+05     21s
   70810    5.5855980e+01   0.000000e+00   6.604911e+04     25s
   86650    5.5814869e+01   0.000000e+00   2.687648e+04     30s
  101301    5.5799276e+01   0.000000e+00   2.164244e+04     35s
  118021    5.5789637e+01   0.000000e+00   1.759507e+04     40s
  132656    5.5785136e+01   0.000000e+00   2.952808e+03     45s
  148335    5.5782863e+01   0.000000e+00   1.404791e+02     50s

Root relaxation: time limit, 0 iterations, 44.95 seconds (26.34 work units)

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

H    0     0                       3.0000000  429.00000      -     -   50s

Explored 1 nodes (0 simplex iterations) in 50.09 seconds (30.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Time limit reached
Best objective 3.000000000000e+00, best bound 4.290000000000e+02, gap 14200.0000%

Wrote result file './lp_solutions/grafo5955.43.sol'

