
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:54:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11387.34.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/grafo11387.34.lp
Reading time = 0.07 seconds
: 36915 rows, 1417 columns, 111753 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 36915 rows, 1417 columns and 111753 nonzeros
Model fingerprint: 0xfab3c800
Variable types: 35 continuous, 1382 integer (1382 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 6.0000000
Presolve removed 7627 rows and 26 columns
Presolve time: 0.31s
Presolved: 29288 rows, 1391 columns, 89265 nonzeros
Variable types: 0 continuous, 1391 integer (1356 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 16759 rows, 13920 columns, 64207 nonzeros


Root relaxation: objective 3.200000e+01, 2785 iterations, 1.40 seconds (0.75 work units)

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

     0     0   32.00000    0  278   10.00000   32.00000   220%     -    3s
H    0     0                      11.0000000   32.00000   191%     -    3s
H    0     0                      12.0000000   32.00000   167%     -    5s
     0     0   32.00000    0  475   12.00000   32.00000   167%     -    8s
     0     0   32.00000    0  464   12.00000   32.00000   167%     -    8s
     0     0   32.00000    0  299   12.00000   32.00000   167%     -   14s
     0     0   32.00000    0  243   12.00000   32.00000   167%     -   15s
H    0     0                      13.0000000   32.00000   146%     -   25s
H    0     0                      14.0000000   32.00000   129%     -   25s
     0     0   31.00000    0  397   14.00000   31.00000   121%     -   25s
     0     0   31.00000    0  336   14.00000   31.00000   121%     -   26s
H    0     0                      16.0000000   31.00000  93.8%     -   35s
     0     0   31.00000    0  364   16.00000   31.00000  93.8%     -   35s
     0     0   31.00000    0  350   16.00000   31.00000  93.8%     -   35s
     0     0   31.00000    0  352   16.00000   31.00000  93.8%     -   39s
     0     0   31.00000    0  379   16.00000   31.00000  93.8%     -   41s
     0     0   31.00000    0  269   16.00000   31.00000  93.8%     -   50s

Cutting planes:
  Clique: 3
  MIR: 17
  GUB cover: 1
  Zero half: 3
  RLT: 8

Explored 1 nodes (59418 simplex iterations) in 50.08 seconds (29.30 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 14 13 ... 6

Time limit reached
Best objective 1.600000000000e+01, best bound 3.100000000000e+01, gap 93.7500%

Wrote result file './lp_solutions/grafo11387.34.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 05:04:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11387.34.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/grafo11387.34.lp
Reading time = 0.06 seconds
: 36915 rows, 1417 columns, 111753 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 36915 rows, 1417 columns and 111753 nonzeros
Model fingerprint: 0xfab3c800
Variable types: 35 continuous, 1382 integer (1382 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 6.0000000
Presolve removed 7627 rows and 26 columns
Presolve time: 0.25s
Presolved: 29288 rows, 1391 columns, 89265 nonzeros
Variable types: 0 continuous, 1391 integer (1356 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 16759 rows, 13920 columns, 64207 nonzeros


Root relaxation: objective 3.200000e+01, 2785 iterations, 0.79 seconds (0.75 work units)

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

     0     0   32.00000    0  278   10.00000   32.00000   220%     -    2s
H    0     0                      11.0000000   32.00000   191%     -    2s
H    0     0                      12.0000000   32.00000   167%     -    3s
     0     0   32.00000    0  475   12.00000   32.00000   167%     -    5s
     0     0   32.00000    0  464   12.00000   32.00000   167%     -    5s
     0     0   32.00000    0  299   12.00000   32.00000   167%     -    9s
     0     0   32.00000    0  243   12.00000   32.00000   167%     -    9s
H    0     0                      13.0000000   32.00000   146%     -   16s
H    0     0                      14.0000000   32.00000   129%     -   16s
     0     0   31.00000    0  397   14.00000   31.00000   121%     -   16s
     0     0   31.00000    0  336   14.00000   31.00000   121%     -   17s
H    0     0                      16.0000000   31.00000  93.8%     -   22s
     0     0   31.00000    0  364   16.00000   31.00000  93.8%     -   22s
     0     0   31.00000    0  350   16.00000   31.00000  93.8%     -   22s
     0     0   31.00000    0  352   16.00000   31.00000  93.8%     -   25s
     0     0   31.00000    0  379   16.00000   31.00000  93.8%     -   26s
     0     0   31.00000    0  269   16.00000   31.00000  93.8%     -   33s
     0     0   31.00000    0  267   16.00000   31.00000  93.8%     -   34s
     0     2   31.00000    0  222   16.00000   31.00000  93.8%     -   37s
    60    66   30.66667   15  297   16.00000   31.00000  93.8%   234   40s
   196   201   29.66667   40  245   16.00000   31.00000  93.8%   124   46s
   340   343   24.00000   84  136   16.00000   31.00000  93.8%   144   50s

Cutting planes:
  Gomory: 1
  Cover: 2
  Clique: 5
  MIR: 61
  GUB cover: 1
  Inf proof: 1
  Zero half: 7
  RLT: 29

Explored 342 nodes (109863 simplex iterations) in 50.03 seconds (49.85 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 16 14 13 ... 6

Time limit reached
Best objective 1.600000000000e+01, best bound 3.100000000000e+01, gap 93.7500%

Wrote result file './lp_solutions/grafo11387.34.sol'

