
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:57:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11414.36.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/grafo11414.36.lp
Reading time = 0.13 seconds
: 63089 rows, 1850 columns, 190871 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 63089 rows, 1850 columns and 190871 nonzeros
Model fingerprint: 0x6602e2b7
Variable types: 44 continuous, 1806 integer (1806 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 1.0000000
Presolve removed 13198 rows and 27 columns
Presolve time: 0.64s
Presolved: 49891 rows, 1823 columns, 151651 nonzeros
Variable types: 0 continuous, 1823 integer (1779 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 29507 rows, 22207 columns, 110883 nonzeros


Root relaxation: objective 4.000000e+01, 990 iterations, 0.60 seconds (0.30 work units)

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

     0     0   40.00000    0  274    7.00000   40.00000   471%     -    2s
H    0     0                      11.0000000   40.00000   264%     -    2s
H    0     0                      12.0000000   40.00000   233%     -    3s
     0     0   40.00000    0  405   12.00000   40.00000   233%     -    6s
     0     0   40.00000    0  379   12.00000   40.00000   233%     -    7s
H    0     0                      13.0000000   40.00000   208%     -   20s
     0     0   40.00000    0  400   13.00000   40.00000   208%     -   20s
     0     0   40.00000    0  436   13.00000   40.00000   208%     -   22s
H    0     0                      14.0000000   40.00000   186%     -   36s
H    0     0                      15.0000000   40.00000   167%     -   36s
     0     0   40.00000    0  495   15.00000   40.00000   167%     -   36s
     0     0   40.00000    0  525   15.00000   40.00000   167%     -   38s
     0     0   40.00000    0  535   15.00000   40.00000   167%     -   50s

Cutting planes:
  Cover: 12
  Clique: 3
  MIR: 113
  StrongCG: 1
  Zero half: 48
  RLT: 53

Explored 1 nodes (35929 simplex iterations) in 50.10 seconds (27.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 15 14 13 ... 1

Time limit reached
Best objective 1.500000000000e+01, best bound 4.000000000000e+01, gap 166.6667%

Wrote result file './lp_solutions/grafo11414.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:59:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11414.36.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/grafo11414.36.lp
Reading time = 0.10 seconds
: 63089 rows, 1850 columns, 190871 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 63089 rows, 1850 columns and 190871 nonzeros
Model fingerprint: 0x6602e2b7
Variable types: 44 continuous, 1806 integer (1806 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 1.0000000
Presolve removed 13198 rows and 27 columns
Presolve time: 0.44s
Presolved: 49891 rows, 1823 columns, 151651 nonzeros
Variable types: 0 continuous, 1823 integer (1779 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 29507 rows, 22207 columns, 110883 nonzeros


Root relaxation: objective 4.000000e+01, 990 iterations, 0.33 seconds (0.30 work units)

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

     0     0   40.00000    0  274    7.00000   40.00000   471%     -    1s
H    0     0                      11.0000000   40.00000   264%     -    1s
H    0     0                      12.0000000   40.00000   233%     -    2s
     0     0   40.00000    0  405   12.00000   40.00000   233%     -    3s
     0     0   40.00000    0  379   12.00000   40.00000   233%     -    4s
H    0     0                      13.0000000   40.00000   208%     -   13s
     0     0   40.00000    0  400   13.00000   40.00000   208%     -   14s
     0     0   40.00000    0  436   13.00000   40.00000   208%     -   14s
H    0     0                      14.0000000   40.00000   186%     -   25s
H    0     0                      15.0000000   40.00000   167%     -   25s
     0     0   40.00000    0  495   15.00000   40.00000   167%     -   25s
     0     0   40.00000    0  525   15.00000   40.00000   167%     -   26s
     0     0   40.00000    0  386   15.00000   40.00000   167%     -   36s
     0     0   40.00000    0  431   15.00000   40.00000   167%     -   37s
     0     0   40.00000    0  465   15.00000   40.00000   167%     -   46s
H    0     0                      16.0000000   40.00000   150%     -   46s
     0     0   40.00000    0  448   16.00000   40.00000   150%     -   46s
     0     0   40.00000    0  475   16.00000   40.00000   150%     -   50s

Cutting planes:
  Cover: 7
  Clique: 6
  MIR: 154
  GUB cover: 1
  Zero half: 76
  RLT: 58

Explored 1 nodes (56503 simplex iterations) in 50.06 seconds (44.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 1

Time limit reached
Best objective 1.600000000000e+01, best bound 4.000000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo11414.36.sol'

