
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:55:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6407.47.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/grafo6407.47.lp
Reading time = 0.25 seconds
: 149690 rows, 3212 columns, 452103 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 149690 rows, 3212 columns and 452103 nonzeros
Model fingerprint: 0xe3fb9b99
Variable types: 59 continuous, 3153 integer (3153 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 29847 rows and 1 columns
Presolve time: 1.00s
Presolved: 119843 rows, 3211 columns, 362939 nonzeros
Variable types: 0 continuous, 3211 integer (3152 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 3169 rows, 123012 columns, 366150 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12674    6.0967133e+01   0.000000e+00   1.351813e+05      5s
   26014    6.0924548e+01   0.000000e+00   2.495017e+05     10s
   39983    6.0904507e+01   0.000000e+00   1.003603e+05     15s
   53402    6.0892627e+01   0.000000e+00   4.815057e+04     20s
   67729    6.0884413e+01   0.000000e+00   1.855979e+04     25s
   80809    6.0879493e+01   0.000000e+00   1.792308e+04     30s
   92783    6.0875787e+01   0.000000e+00   1.607550e+04     36s
  101113    6.0873628e+01   0.000000e+00   9.015824e+03     40s
  109973    6.0871692e+01   0.000000e+00   3.787961e+03     45s

Root relaxation: time limit, 121615 iterations, 48.70 seconds (32.47 work units)

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

     0     0          -    0        10.00000  236.00000  2260%     -   50s

Explored 1 nodes (121615 simplex iterations) in 50.02 seconds (33.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 10 

Time limit reached
Best objective 1.000000000000e+01, best bound 2.360000000000e+02, gap 2260.0000%

Wrote result file './lp_solutions/grafo6407.47.sol'

