
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:00:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10047.32.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/grafo10047.32.lp
Reading time = 0.16 seconds
: 96791 rows, 1262 columns, 291267 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 96791 rows, 1262 columns and 291267 nonzeros
Model fingerprint: 0x20982ac7
Variable types: 32 continuous, 1230 integer (1230 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]
Found heuristic solution: objective 2.0000000
Presolve removed 41228 rows and 16 columns
Presolve time: 0.72s
Presolved: 55563 rows, 1246 columns, 167860 nonzeros
Variable types: 0 continuous, 1246 integer (1214 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1246 rows, 56809 columns, 169106 nonzeros


Root relaxation: objective 2.500000e+01, 1018 iterations, 0.29 seconds (0.32 work units)

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

     0     0   25.00000    0  229    7.00000   25.00000   257%     -    2s
H    0     0                       9.0000000   25.00000   178%     -    3s
     0     0   25.00000    0  419    9.00000   25.00000   178%     -    5s
     0     0   25.00000    0  396    9.00000   25.00000   178%     -    6s
H    0     0                      10.0000000   25.00000   150%     -   20s
     0     0   25.00000    0  248   10.00000   25.00000   150%     -   20s
     0     0   25.00000    0  265   10.00000   25.00000   150%     -   20s
     0     0   25.00000    0  319   10.00000   25.00000   150%     -   27s
H    0     0                      11.0000000   25.00000   127%     -   28s
     0     0   25.00000    0  337   11.00000   25.00000   127%     -   28s
     0     0   25.00000    0  332   11.00000   25.00000   127%     -   37s
     0     0   25.00000    0  365   11.00000   25.00000   127%     -   39s
H    0     0                      12.0000000   25.00000   108%     -   49s
     0     0   25.00000    0  348   12.00000   25.00000   108%     -   49s
     0     0          -    0        12.00000   25.00000   108%     -   50s

Cutting planes:
  Cover: 8
  Clique: 26
  MIR: 50
  StrongCG: 1
  Zero half: 1
  RLT: 51
  BQP: 2

Explored 1 nodes (38009 simplex iterations) in 50.06 seconds (48.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 12 11 10 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 2.500000000000e+01, gap 108.3333%

Wrote result file './lp_solutions/grafo10047.32.sol'

