
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:39:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7374.39.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/grafo7374.39.lp
Reading time = 0.23 seconds
: 144923 rows, 2146 columns, 436597 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 144923 rows, 2146 columns and 436597 nonzeros
Model fingerprint: 0xf556c603
Variable types: 46 continuous, 2100 integer (2100 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 52754 rows and 28 columns
Presolve time: 1.09s
Presolved: 92169 rows, 2118 columns, 278641 nonzeros
Variable types: 0 continuous, 2118 integer (2072 binary)
Root relaxation presolved: 2112 rows, 94281 columns, 280759 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20963    4.6824248e+01   0.000000e+00   9.607782e+04      5s
   48743    4.6772379e+01   0.000000e+00   4.969297e+03     10s
   67317    4.7000000e+01   0.000000e+00   0.000000e+00     13s
   67317    4.7000000e+01   0.000000e+00   0.000000e+00     13s
   67317    4.7000000e+01   0.000000e+00   0.000000e+00     13s

Root relaxation: objective 4.700000e+01, 67317 iterations, 12.18 seconds (8.82 work units)
Total elapsed time = 30.39s (DegenMoves)

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

     0     0   47.00000    0  701          -   47.00000      -     -   50s
H    0     0                       2.0000000   47.00000  2250%     -   50s

Explored 1 nodes (93616 simplex iterations) in 50.05 seconds (64.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 2 

Time limit reached
Best objective 2.000000000000e+00, best bound 4.700000000000e+01, gap 2250.0000%

Wrote result file './lp_solutions/grafo7374.39.sol'

