
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:50:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo416.18.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/grafo416.18.lp
Reading time = 0.01 seconds
: 2272 rows, 249 columns, 6829 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 2272 rows, 249 columns and 6829 nonzeros
Model fingerprint: 0x6383fe81
Variable types: 11 continuous, 238 integer (238 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 -0.0000000
Presolve removed 234 rows and 15 columns
Presolve time: 0.04s
Presolved: 2038 rows, 234 columns, 6232 nonzeros
Variable types: 0 continuous, 234 integer (223 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 5.000000e+00, 40 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   33    2.00000    5.00000   150%     -    0s
H    0     0                       3.0000000    5.00000  66.7%     -    0s
     0     0    5.00000    0   41    3.00000    5.00000  66.7%     -    0s
     0     0    5.00000    0   26    3.00000    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   46    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    6    4.00000    5.00000  25.0%     -    1s
H    0     0                       5.0000000    5.00000  0.00%     -    1s
     0     0    5.00000    0   21    5.00000    5.00000  0.00%     -    1s

Cutting planes:
  Cover: 2
  MIR: 3
  GUB cover: 2
  Zero half: 1
  RLT: 2

Explored 1 nodes (1681 simplex iterations) in 1.29 seconds (0.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo416.18.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:05:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo416.18.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/grafo416.18.lp
Reading time = 0.01 seconds
: 2272 rows, 249 columns, 6829 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 2272 rows, 249 columns and 6829 nonzeros
Model fingerprint: 0x6383fe81
Variable types: 11 continuous, 238 integer (238 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 -0.0000000
Presolve removed 234 rows and 15 columns
Presolve time: 0.02s
Presolved: 2038 rows, 234 columns, 6232 nonzeros
Variable types: 0 continuous, 234 integer (223 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 5.000000e+00, 40 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   33    2.00000    5.00000   150%     -    0s
H    0     0                       3.0000000    5.00000  66.7%     -    0s
     0     0    5.00000    0   41    3.00000    5.00000  66.7%     -    0s
     0     0    5.00000    0   26    3.00000    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   46    4.00000    5.00000  25.0%     -    0s
     0     0    5.00000    0    6    4.00000    5.00000  25.0%     -    0s
H    0     0                       5.0000000    5.00000  0.00%     -    0s
     0     0    5.00000    0   21    5.00000    5.00000  0.00%     -    0s

Cutting planes:
  Cover: 2
  MIR: 3
  GUB cover: 2
  Zero half: 1
  RLT: 2

Explored 1 nodes (1681 simplex iterations) in 0.36 seconds (0.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo416.18.sol'

