
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 03:01:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10058.32.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/grafo10058.32.lp
Reading time = 0.13 seconds
: 80365 rows, 1382 columns, 242166 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 80365 rows, 1382 columns and 242166 nonzeros
Model fingerprint: 0x2fcaee5a
Variable types: 35 continuous, 1347 integer (1347 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 31095 rows and 5 columns
Presolve time: 0.52s
Presolved: 49270 rows, 1377 columns, 149097 nonzeros
Variable types: 0 continuous, 1377 integer (1342 binary)
Root relaxation presolved: 1375 rows, 50645 columns, 150474 nonzeros


Root relaxation: objective 2.900000e+01, 1300 iterations, 0.35 seconds (0.41 work units)

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

     0     0   29.00000    0  347          -   29.00000      -     -    3s
H    0     0                       5.0000000   29.00000   480%     -    3s
H    0     0                       9.0000000   29.00000   222%     -    3s
     0     0   29.00000    0  535    9.00000   29.00000   222%     -    7s
H    0     0                      10.0000000   29.00000   190%     -    7s
     0     0   29.00000    0  483   10.00000   29.00000   190%     -    8s
     0     0   29.00000    0  330   10.00000   29.00000   190%     -   16s
H    0     0                      11.0000000   29.00000   164%     -   16s
     0     0   29.00000    0  295   11.00000   29.00000   164%     -   16s
     0     0   29.00000    0  331   11.00000   29.00000   164%     -   22s
     0     0   29.00000    0  328   11.00000   29.00000   164%     -   23s
H    0     0                      12.0000000   29.00000   142%     -   29s
     0     0   29.00000    0  412   12.00000   29.00000   142%     -   29s
     0     0   29.00000    0  398   12.00000   29.00000   142%     -   30s
     0     0   29.00000    0  273   12.00000   29.00000   142%     -   36s
     0     0   29.00000    0  245   12.00000   29.00000   142%     -   37s
     0     0   29.00000    0  315   12.00000   29.00000   142%     -   41s
     0     0   29.00000    0  287   12.00000   29.00000   142%     -   42s
     0     0   29.00000    0  291   12.00000   29.00000   142%     -   44s
     0     0   29.00000    0  290   12.00000   29.00000   142%     -   46s

Cutting planes:
  Cover: 5
  Clique: 21
  MIR: 31
  Zero half: 8
  RLT: 30
  BQP: 1

Explored 1 nodes (49829 simplex iterations) in 50.03 seconds (49.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 5

Time limit reached
Best objective 1.200000000000e+01, best bound 2.900000000000e+01, gap 141.6667%

Wrote result file './lp_solutions/grafo10058.32.sol'

