
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:47:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2730.15.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/grafo2730.15.lp
Reading time = 0.01 seconds
: 1551 rows, 201 columns, 4666 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 1551 rows, 201 columns and 4666 nonzeros
Model fingerprint: 0x6bd12295
Variable types: 11 continuous, 190 integer (190 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 229 rows and 12 columns
Presolve time: 0.02s
Presolved: 1322 rows, 189 columns, 4072 nonzeros
Variable types: 0 continuous, 189 integer (178 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 5.000000e+00, 99 iterations, 0.01 seconds (0.00 work units)

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

     0     0    5.00000    0   29    2.00000    5.00000   150%     -    0s
H    0     0                       3.0000000    5.00000  66.7%     -    0s
     0     0    5.00000    0   46    3.00000    5.00000  66.7%     -    0s
H    0     0                       4.0000000    5.00000  25.0%     -    0s
     0     0    5.00000    0   44    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   39    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   33    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   28    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   19    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   11    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   23    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   26    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   26    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   30    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   28    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   29    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   25    4.00000    5.00000  25.0%     -    0s
     0     2    5.00000    0   20    4.00000    5.00000  25.0%     -    0s
   390    36    5.00000   19    9    4.00000    5.00000  25.0%  74.8    5s

Cutting planes:
  Gomory: 1
  Clique: 1
  MIR: 1
  Flow cover: 2
  GUB cover: 3
  Inf proof: 1
  Zero half: 2
  RLT: 3

Explored 480 nodes (39427 simplex iterations) in 6.09 seconds (1.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 4 3 2 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2730.15.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:03:56 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2730.15.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/grafo2730.15.lp
Reading time = 0.01 seconds
: 1551 rows, 201 columns, 4666 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 1551 rows, 201 columns and 4666 nonzeros
Model fingerprint: 0x6bd12295
Variable types: 11 continuous, 190 integer (190 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 229 rows and 12 columns
Presolve time: 0.02s
Presolved: 1322 rows, 189 columns, 4072 nonzeros
Variable types: 0 continuous, 189 integer (178 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 5.000000e+00, 99 iterations, 0.00 seconds (0.00 work units)

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

     0     0    5.00000    0   29    2.00000    5.00000   150%     -    0s
H    0     0                       3.0000000    5.00000  66.7%     -    0s
     0     0    5.00000    0   46    3.00000    5.00000  66.7%     -    0s
H    0     0                       4.0000000    5.00000  25.0%     -    0s
     0     0    5.00000    0   44    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   39    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   33    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   28    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   19    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   11    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   23    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   26    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   26    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   30    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   28    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   29    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0   25    4.00000    5.00000  25.0%     -    0s
     0     2    5.00000    0   20    4.00000    5.00000  25.0%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 1
  MIR: 1
  Flow cover: 2
  GUB cover: 3
  Inf proof: 1
  Zero half: 2
  RLT: 3

Explored 480 nodes (39427 simplex iterations) in 4.01 seconds (1.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 4 3 2 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2730.15.sol'

