
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:34:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11612.36.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/grafo11612.36.lp
Reading time = 0.12 seconds
: 59650 rows, 1911 columns, 180672 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 59650 rows, 1911 columns and 180672 nonzeros
Model fingerprint: 0x1cf9ea54
Variable types: 45 continuous, 1866 integer (1866 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 10161 rows and 23 columns
Presolve time: 0.58s
Presolved: 49489 rows, 1888 columns, 150556 nonzeros
Variable types: 0 continuous, 1888 integer (1843 binary)
Root relaxation presolved: 28159 rows, 23218 columns, 107896 nonzeros


Root relaxation: objective 4.000000e+01, 818 iterations, 0.57 seconds (0.23 work units)

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

     0     0   40.00000    0  241          -   40.00000      -     -    2s
H    0     0                      10.0000000   40.00000   300%     -    2s
H    0     0                      11.0000000   40.00000   264%     -    2s
H    0     0                      12.0000000   40.00000   233%     -    2s
H    0     0                      13.0000000   40.00000   208%     -    5s
     0     0   39.83333    0  557   13.00000   39.83333   206%     -    5s
H    0     0                      14.0000000   39.83333   185%     -    7s
     0     0   39.00000    0  524   14.00000   39.00000   179%     -    7s
H    0     0                      16.0000000   39.00000   144%     -   28s
     0     0   39.00000    0  497   16.00000   39.00000   144%     -   28s
     0     0   39.00000    0  497   16.00000   39.00000   144%     -   28s
     0     0   39.00000    0  425   16.00000   39.00000   144%     -   43s
H    0     0                      17.0000000   39.00000   129%     -   44s
     0     0   39.00000    0  448   17.00000   39.00000   129%     -   44s
     0     0   39.00000    0  513   17.00000   39.00000   129%     -   50s

Cutting planes:
  Cover: 21
  Clique: 9
  MIR: 194
  StrongCG: 1
  GUB cover: 1
  Zero half: 36
  RLT: 44
  BQP: 1

Explored 1 nodes (37502 simplex iterations) in 50.13 seconds (29.35 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 17 16 14 ... 10

Time limit reached
Best objective 1.700000000000e+01, best bound 3.900000000000e+01, gap 129.4118%

Wrote result file './lp_solutions/grafo11612.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:08:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11612.36.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/grafo11612.36.lp
Reading time = 0.10 seconds
: 59650 rows, 1911 columns, 180672 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 59650 rows, 1911 columns and 180672 nonzeros
Model fingerprint: 0x1cf9ea54
Variable types: 45 continuous, 1866 integer (1866 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 10161 rows and 23 columns
Presolve time: 0.41s
Presolved: 49489 rows, 1888 columns, 150556 nonzeros
Variable types: 0 continuous, 1888 integer (1843 binary)
Root relaxation presolved: 28159 rows, 23218 columns, 107896 nonzeros


Root relaxation: objective 4.000000e+01, 818 iterations, 0.28 seconds (0.23 work units)

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

     0     0   40.00000    0  241          -   40.00000      -     -    1s
H    0     0                      10.0000000   40.00000   300%     -    1s
H    0     0                      11.0000000   40.00000   264%     -    1s
H    0     0                      12.0000000   40.00000   233%     -    1s
H    0     0                      13.0000000   40.00000   208%     -    3s
     0     0   39.83333    0  557   13.00000   39.83333   206%     -    3s
H    0     0                      14.0000000   39.83333   185%     -    4s
     0     0   39.00000    0  524   14.00000   39.00000   179%     -    4s
H    0     0                      16.0000000   39.00000   144%     -   18s
     0     0   39.00000    0  497   16.00000   39.00000   144%     -   18s
     0     0   39.00000    0  497   16.00000   39.00000   144%     -   19s
     0     0   39.00000    0  425   16.00000   39.00000   144%     -   29s
H    0     0                      17.0000000   39.00000   129%     -   30s
     0     0   39.00000    0  448   17.00000   39.00000   129%     -   30s
H    0     0                      18.0000000   39.00000   117%     -   39s
     0     0   39.00000    0  438   18.00000   39.00000   117%     -   39s
     0     0   39.00000    0  406   18.00000   39.00000   117%     -   40s
     0     0   39.00000    0  306   18.00000   39.00000   117%     -   49s
     0     0   39.00000    0  369   18.00000   39.00000   117%     -   49s

Cutting planes:
  Gomory: 1
  Cover: 21
  Clique: 12
  MIR: 118
  Zero half: 6
  RLT: 33
  Relax-and-lift: 1
  BQP: 2
  PSD: 1

Explored 1 nodes (56775 simplex iterations) in 50.06 seconds (42.94 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 18 17 16 ... 10

Time limit reached
Best objective 1.800000000000e+01, best bound 3.900000000000e+01, gap 116.6667%

Wrote result file './lp_solutions/grafo11612.36.sol'

