
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 07:53:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7754.49.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/grafo7754.49.lp
Reading time = 0.30 seconds
: 190510 rows, 3704 columns, 575217 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 190510 rows, 3704 columns and 575217 nonzeros
Model fingerprint: 0x8a78b478
Variable types: 64 continuous, 3640 integer (3640 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, 6e+01]
Presolve removed 40188 rows and 1 columns
Presolve time: 1.11s
Presolved: 150322 rows, 3703 columns, 455252 nonzeros
Variable types: 0 continuous, 3703 integer (3639 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 3664 rows, 153986 columns, 458955 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14948    7.4335770e+01   0.000000e+00   5.074069e+05      5s
   29405    6.7634557e+01   0.000000e+00   2.457172e+05     10s
   43185    6.7545967e+01   0.000000e+00   1.146984e+05     15s
   57535    6.7516142e+01   0.000000e+00   6.036212e+03     20s
   70737    6.7504190e+01   0.000000e+00   4.437490e+04     25s
   83939    6.7498567e+01   0.000000e+00   1.241357e+04     30s
   96567    6.7496557e+01   0.000000e+00   5.652028e+02     35s
   99603    6.8000000e+01   0.000000e+00   0.000000e+00     36s
   99603    6.8000000e+01   0.000000e+00   0.000000e+00     36s
   99603    6.8000000e+01   0.000000e+00   0.000000e+00     36s

Root relaxation: objective 6.800000e+01, 99603 iterations, 35.04 seconds (28.05 work units)

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

     0     0   68.00000    0 1993   10.00000   68.00000   580%     -   50s

Explored 1 nodes (104887 simplex iterations) in 50.04 seconds (43.43 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 10 

Time limit reached
Best objective 1.000000000000e+01, best bound 6.800000000000e+01, gap 580.0000%

Wrote result file './lp_solutions/grafo7754.49.sol'

