
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:54:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11385.36.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/grafo11385.36.lp
Reading time = 0.11 seconds
: 57139 rows, 1872 columns, 173047 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 57139 rows, 1872 columns and 173047 nonzeros
Model fingerprint: 0x19e10fcb
Variable types: 44 continuous, 1828 integer (1828 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 9682 rows and 28 columns
Presolve time: 0.51s
Presolved: 47457 rows, 1844 columns, 144424 nonzeros
Variable types: 0 continuous, 1844 integer (1800 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 27073 rows, 22228 columns, 103656 nonzeros


Root relaxation: objective 4.100000e+01, 1220 iterations, 0.55 seconds (0.32 work units)

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

     0     0   41.00000    0  264    7.00000   41.00000   486%     -    2s
H    0     0                      12.0000000   41.00000   242%     -    2s
H    0     0                      13.0000000   41.00000   215%     -    3s
     0     0   41.00000    0  607   13.00000   41.00000   215%     -    8s
     0     0   41.00000    0  577   13.00000   41.00000   215%     -    8s
H    0     0                      14.0000000   41.00000   193%     -   11s
H    0     0                      15.0000000   41.00000   173%     -   21s
     0     0   41.00000    0  377   15.00000   41.00000   173%     -   21s
     0     0   41.00000    0  493   15.00000   41.00000   173%     -   22s
H    0     0                      17.0000000   41.00000   141%     -   43s
H    0     0                      18.0000000   41.00000   128%     -   43s
     0     0   41.00000    0  518   18.00000   41.00000   128%     -   43s
     0     0   41.00000    0  491   18.00000   41.00000   128%     -   44s
     0     0          -    0        18.00000   41.00000   128%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 39
  Clique: 10
  MIR: 114
  GUB cover: 8
  Zero half: 44
  RLT: 58

Explored 1 nodes (40926 simplex iterations) in 50.07 seconds (30.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 18 17 15 ... 7

Time limit reached
Best objective 1.800000000000e+01, best bound 4.100000000000e+01, gap 127.7778%

Wrote result file './lp_solutions/grafo11385.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:58:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11385.36.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/grafo11385.36.lp
Reading time = 0.09 seconds
: 57139 rows, 1872 columns, 173047 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 57139 rows, 1872 columns and 173047 nonzeros
Model fingerprint: 0x19e10fcb
Variable types: 44 continuous, 1828 integer (1828 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 9682 rows and 28 columns
Presolve time: 0.39s
Presolved: 47457 rows, 1844 columns, 144424 nonzeros
Variable types: 0 continuous, 1844 integer (1800 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 27073 rows, 22228 columns, 103656 nonzeros


Root relaxation: objective 4.100000e+01, 1220 iterations, 0.36 seconds (0.32 work units)

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

     0     0   41.00000    0  264    7.00000   41.00000   486%     -    1s
H    0     0                      12.0000000   41.00000   242%     -    1s
H    0     0                      13.0000000   41.00000   215%     -    2s
     0     0   41.00000    0  607   13.00000   41.00000   215%     -    5s
     0     0   41.00000    0  577   13.00000   41.00000   215%     -    5s
H    0     0                      14.0000000   41.00000   193%     -    7s
H    0     0                      15.0000000   41.00000   173%     -   13s
     0     0   41.00000    0  377   15.00000   41.00000   173%     -   13s
     0     0   41.00000    0  493   15.00000   41.00000   173%     -   14s
H    0     0                      17.0000000   41.00000   141%     -   29s
H    0     0                      18.0000000   41.00000   128%     -   29s
     0     0   41.00000    0  518   18.00000   41.00000   128%     -   29s
     0     0   41.00000    0  491   18.00000   41.00000   128%     -   30s
     0     0   41.00000    0  526   18.00000   41.00000   128%     -   49s
     0     0   41.00000    0  508   18.00000   41.00000   128%     -   49s
     0     0          -    0        18.00000   41.00000   128%     -   50s

Cutting planes:
  Cover: 24
  Clique: 8
  MIR: 147
  GUB cover: 2
  Zero half: 47
  RLT: 56

Explored 1 nodes (55864 simplex iterations) in 50.07 seconds (43.77 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 18 17 15 ... 7

Time limit reached
Best objective 1.800000000000e+01, best bound 4.100000000000e+01, gap 127.7778%

Wrote result file './lp_solutions/grafo11385.36.sol'

