
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:00:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5318.43.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/grafo5318.43.lp
Reading time = 0.29 seconds
: 156578 rows, 2642 columns, 472109 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 156578 rows, 2642 columns and 472109 nonzeros
Model fingerprint: 0x16b793f1
Variable types: 50 continuous, 2592 integer (2592 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 50664 rows and 12 columns
Presolve time: 1.41s
Presolved: 105914 rows, 2630 columns, 320641 nonzeros
Variable types: 0 continuous, 2630 integer (2580 binary)
Root relaxation presolved: 2625 rows, 108539 columns, 323271 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16223    4.9994245e+01   0.000000e+00   3.540024e+05      5s
   31878    4.9930119e+01   0.000000e+00   1.280477e+05     10s
   48123    4.9909529e+01   0.000000e+00   4.294242e+04     15s
   62855    4.9900279e+01   0.000000e+00   7.148372e+04     20s
   78462    4.9894646e+01   0.000000e+00   9.248857e+03     25s
   94891    4.9891342e+01   0.000000e+00   2.812628e+03     30s
  111312    4.9889304e+01   0.000000e+00   4.814502e+03     35s
  124763    5.0000000e+01   0.000000e+00   0.000000e+00     39s
  124763    5.0000000e+01   0.000000e+00   0.000000e+00     40s
  124763    5.0000000e+01   0.000000e+00   0.000000e+00     40s

Root relaxation: objective 5.000000e+01, 124763 iterations, 37.85 seconds (24.20 work units)

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

     0     0   50.00000    0 1687          -   50.00000      -     -   50s
H    0     0                       4.0000000   50.00000  1150%     -   50s

Explored 1 nodes (130181 simplex iterations) in 50.04 seconds (34.82 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 4 

Time limit reached
Best objective 4.000000000000e+00, best bound 5.000000000000e+01, gap 1150.0000%

Wrote result file './lp_solutions/grafo5318.43.sol'

