
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:42:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5592.48.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/grafo5592.48.lp
Reading time = 0.37 seconds
: 189928 rows, 2646 columns, 571813 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 189928 rows, 2646 columns and 571813 nonzeros
Model fingerprint: 0x00a7f004
Variable types: 47 continuous, 2599 integer (2599 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]
Found heuristic solution: objective 2.0000000
Presolve removed 66636 rows and 6 columns
Presolve time: 1.56s
Presolved: 123292 rows, 2640 columns, 372200 nonzeros
Variable types: 0 continuous, 2640 integer (2593 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2633 rows, 125925 columns, 374840 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   15850    5.5332466e+01   0.000000e+00   1.088008e+05      5s
   33106    5.1850826e+01   0.000000e+00   5.431262e+04     10s
   49910    5.1806822e+01   0.000000e+00   1.435742e+04     15s
   67270    5.1794066e+01   0.000000e+00   3.314486e+04     20s
   84070    5.1789622e+01   0.000000e+00   4.438483e+02     25s
   93846    5.2000000e+01   0.000000e+00   0.000000e+00     28s
   93846    5.2000000e+01   0.000000e+00   0.000000e+00     28s
   93846    5.2000000e+01   0.000000e+00   0.000000e+00     28s

Root relaxation: objective 5.200000e+01, 93846 iterations, 26.35 seconds (16.16 work units)
Total elapsed time = 46.51s (DegenMoves)

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

     0     0   52.00000    0  629   11.00000   52.00000   373%     -   50s

Explored 1 nodes (106429 simplex iterations) in 50.05 seconds (38.92 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.200000000000e+01, gap 372.7273%

Wrote result file './lp_solutions/grafo5592.48.sol'

