
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 03:02:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5669.43.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/grafo5669.43.lp
Reading time = 0.32 seconds
: 155134 rows, 2545 columns, 467644 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 155134 rows, 2545 columns and 467644 nonzeros
Model fingerprint: 0xe516849d
Variable types: 49 continuous, 2496 integer (2496 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 51181 rows and 12 columns
Presolve time: 1.34s
Presolved: 103953 rows, 2533 columns, 314540 nonzeros
Variable types: 0 continuous, 2533 integer (2484 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2526 rows, 106479 columns, 317073 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14305    4.5921058e+01   0.000000e+00   1.899082e+05      5s
   33155    4.5736918e+01   0.000000e+00   4.361120e+04     10s
   51243    4.5719587e+01   0.000000e+00   2.632166e+04     15s
   58966    4.6000000e+01   0.000000e+00   0.000000e+00     17s
   58966    4.6000000e+01   0.000000e+00   0.000000e+00     17s
   58966    4.6000000e+01   0.000000e+00   0.000000e+00     17s

Root relaxation: objective 4.600000e+01, 58966 iterations, 15.64 seconds (9.71 work units)
Total elapsed time = 31.97s (DegenMoves)
Total elapsed time = 46.63s (DegenMoves)

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

     0     0   46.00000    0  390   10.00000   46.00000   360%     -   50s

Explored 1 nodes (81644 simplex iterations) in 50.04 seconds (49.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 10 

Time limit reached
Best objective 1.000000000000e+01, best bound 4.600000000000e+01, gap 360.0000%

Wrote result file './lp_solutions/grafo5669.43.sol'

