
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:53:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo9966.39.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/grafo9966.39.lp
Reading time = 0.09 seconds
: 56739 rows, 1731 columns, 171477 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 56739 rows, 1731 columns and 171477 nonzeros
Model fingerprint: 0x11b00baf
Variable types: 39 continuous, 1692 integer (1692 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 4.0000000
Presolve removed 11496 rows and 30 columns
Presolve time: 0.38s
Presolved: 45243 rows, 1701 columns, 137307 nonzeros
Variable types: 0 continuous, 1701 integer (1662 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 26965 rows, 19979 columns, 100751 nonzeros


Root relaxation: objective 3.200000e+01, 1155 iterations, 0.32 seconds (0.28 work units)

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

     0     0   32.00000    0  243   10.00000   32.00000   220%     -    1s
H    0     0                      12.0000000   32.00000   167%     -    2s
H    0     0                      13.0000000   32.00000   146%     -    2s
     0     0   32.00000    0  494   13.00000   32.00000   146%     -    4s
     0     0   32.00000    0  490   13.00000   32.00000   146%     -    5s
H    0     0                      14.0000000   32.00000   129%     -   17s
     0     0   32.00000    0  254   14.00000   32.00000   129%     -   17s
     0     0   32.00000    0  282   14.00000   32.00000   129%     -   17s
     0     0   32.00000    0  260   14.00000   32.00000   129%     -   20s
     0     0   32.00000    0  255   14.00000   32.00000   129%     -   20s
     0     0   32.00000    0  267   14.00000   32.00000   129%     -   27s
     0     0   32.00000    0  260   14.00000   32.00000   129%     -   28s
     0     0   32.00000    0  341   14.00000   32.00000   129%     -   30s
     0     0   32.00000    0  345   14.00000   32.00000   129%     -   31s
H    0     0                      15.0000000   32.00000   113%     -   43s
H    0     0                      16.0000000   32.00000   100%     -   43s
     0     0   32.00000    0  301   16.00000   32.00000   100%     -   43s
     0     0   32.00000    0  226   16.00000   32.00000   100%     -   44s
H    0     0                      17.0000000   32.00000  88.2%     -   47s

Cutting planes:
  Clique: 1
  MIR: 6
  RLT: 6

Explored 1 nodes (62284 simplex iterations) in 50.03 seconds (47.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 15 ... 4

Time limit reached
Best objective 1.700000000000e+01, best bound 3.200000000000e+01, gap 88.2353%

Wrote result file './lp_solutions/grafo9966.39.sol'

