
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 08:21:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11311.40.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/grafo11311.40.lp
Reading time = 0.18 seconds
: 81708 rows, 2164 columns, 246995 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 81708 rows, 2164 columns and 246995 nonzeros
Model fingerprint: 0x7fd16337
Variable types: 45 continuous, 2119 integer (2119 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 21343 rows and 94 columns
Presolve time: 0.83s
Presolved: 60365 rows, 2070 columns, 183232 nonzeros
Variable types: 0 continuous, 2070 integer (2025 binary)
Root relaxation presolved: 2070 rows, 62435 columns, 185302 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19338    3.8952998e+01   0.000000e+00   9.463219e+03      5s
   33645    3.9000000e+01   0.000000e+00   0.000000e+00      9s
   33645    3.9000000e+01   0.000000e+00   0.000000e+00      9s

Root relaxation: objective 3.900000e+01, 33645 iterations, 7.63 seconds (4.42 work units)

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

     0     0   39.00000    0 1017          -   39.00000      -     -    9s
H    0     0                      10.0000000   39.00000   290%     -    9s

Explored 1 nodes (33786 simplex iterations) in 9.06 seconds (5.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 10 

Solve interrupted
Best objective 1.000000000000e+01, best bound 3.900000000000e+01, gap 290.0000%

Wrote result file './lp_solutions/grafo11311.40.sol'

