
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:52:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo524.14.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/grafo524.14.lp
Reading time = 0.01 seconds
: 1940 rows, 238 columns, 5869 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 1940 rows, 238 columns and 5869 nonzeros
Model fingerprint: 0xb61d88c7
Variable types: 14 continuous, 224 integer (224 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 379 rows and 21 columns
Presolve time: 0.04s
Presolved: 1561 rows, 217 columns, 4873 nonzeros
Variable types: 0 continuous, 217 integer (203 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 7.000000e+00, 108 iterations, 0.02 seconds (0.00 work units)

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

     0     0    7.00000    0   44    3.00000    7.00000   133%     -    0s
H    0     0                       4.0000000    7.00000  75.0%     -    0s
     0     0    7.00000    0  108    4.00000    7.00000  75.0%     -    0s
H    0     0                       5.0000000    7.00000  40.0%     -    0s
     0     0    7.00000    0  105    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   38    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   30    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   45    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   55    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   42    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   46    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   50    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   41    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    2s
     0     2    7.00000    0   47    5.00000    7.00000  40.0%     -    2s
*  482   228              17       6.0000000    7.00000  16.7%  65.9    3s
   538   153    7.00000   13   57    6.00000    7.00000  16.7%  67.8    5s
   705   180    7.00000   21   61    6.00000    7.00000  16.7%  19.8   10s
  1111    82 infeasible   29         6.00000    7.00000  16.7%  43.9   15s
  1648     2 infeasible   26         6.00000    7.00000  16.7%  60.3   20s

Cutting planes:
  Lift-and-project: 1
  Cover: 1
  MIR: 1
  Flow cover: 2
  RLT: 7
  Relax-and-lift: 1

Explored 1671 nodes (142966 simplex iterations) in 20.68 seconds (4.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 4 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo524.14.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 02:06:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo524.14.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/grafo524.14.lp
Reading time = 0.01 seconds
: 1940 rows, 238 columns, 5869 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 1940 rows, 238 columns and 5869 nonzeros
Model fingerprint: 0xb61d88c7
Variable types: 14 continuous, 224 integer (224 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 379 rows and 21 columns
Presolve time: 0.03s
Presolved: 1561 rows, 217 columns, 4873 nonzeros
Variable types: 0 continuous, 217 integer (203 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 7.000000e+00, 108 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    7.00000    0   44    3.00000    7.00000   133%     -    0s
H    0     0                       4.0000000    7.00000  75.0%     -    0s
     0     0    7.00000    0  108    4.00000    7.00000  75.0%     -    0s
H    0     0                       5.0000000    7.00000  40.0%     -    0s
     0     0    7.00000    0  105    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   38    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   30    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   45    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   55    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   42    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   46    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   50    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   41    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    1s
     0     0    7.00000    0   47    5.00000    7.00000  40.0%     -    1s
     0     2    7.00000    0   47    5.00000    7.00000  40.0%     -    1s
*  482   228              17       6.0000000    7.00000  16.7%  65.9    2s
   551   162    7.00000   12   88    6.00000    7.00000  16.7%  66.2    5s
  1199    68    7.00000   25   83    6.00000    7.00000  16.7%  48.2   10s

Cutting planes:
  Lift-and-project: 1
  Cover: 1
  MIR: 1
  Flow cover: 2
  RLT: 7
  Relax-and-lift: 1

Explored 1671 nodes (142966 simplex iterations) in 12.10 seconds (4.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 4 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo524.14.sol'

