
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:43:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5993.38.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/grafo5993.38.lp
Reading time = 0.10 seconds
: 54597 rows, 1729 columns, 165065 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 54597 rows, 1729 columns and 165065 nonzeros
Model fingerprint: 0x644c2c7f
Variable types: 40 continuous, 1689 integer (1689 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 10610 rows and 36 columns
Presolve time: 0.42s
Presolved: 43987 rows, 1693 columns, 133594 nonzeros
Variable types: 0 continuous, 1693 integer (1653 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 25671 rows, 20009 columns, 96962 nonzeros


Root relaxation: objective 3.400000e+01, 3192 iterations, 1.63 seconds (1.44 work units)
Total elapsed time = 5.10s (DegenMoves)

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

     0     0   34.00000    0  408    8.00000   34.00000   325%     -    5s
H    0     0                       9.0000000   34.00000   278%     -    7s
H    0     0                      10.0000000   34.00000   240%     -    7s
     0     0   34.00000    0  596   10.00000   34.00000   240%     -   11s
     0     0   34.00000    0  570   10.00000   34.00000   240%     -   12s
H    0     0                      12.0000000   34.00000   183%     -   22s
H    0     0                      13.0000000   34.00000   162%     -   22s
H    0     0                      14.0000000   34.00000   143%     -   22s
     0     0   34.00000    0  458   14.00000   34.00000   143%     -   22s
     0     0   34.00000    0  451   14.00000   34.00000   143%     -   23s
     0     0   34.00000    0  482   14.00000   34.00000   143%     -   36s
     0     0   34.00000    0  443   14.00000   34.00000   143%     -   37s
     0     0   34.00000    0  472   14.00000   34.00000   143%     -   48s
     0     0   34.00000    0  456   14.00000   34.00000   143%     -   49s
     0     0          -    0        14.00000   34.00000   143%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 16
  Clique: 11
  MIR: 99
  StrongCG: 1
  GUB cover: 2
  Zero half: 22
  RLT: 55

Explored 1 nodes (52741 simplex iterations) in 50.06 seconds (39.86 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.400000000000e+01, gap 142.8571%

Wrote result file './lp_solutions/grafo5993.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:39:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5993.38.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/grafo5993.38.lp
Reading time = 0.09 seconds
: 54597 rows, 1729 columns, 165065 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 54597 rows, 1729 columns and 165065 nonzeros
Model fingerprint: 0x644c2c7f
Variable types: 40 continuous, 1689 integer (1689 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 10610 rows and 36 columns
Presolve time: 0.36s
Presolved: 43987 rows, 1693 columns, 133594 nonzeros
Variable types: 0 continuous, 1693 integer (1653 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 25671 rows, 20009 columns, 96962 nonzeros


Root relaxation: objective 3.400000e+01, 3192 iterations, 1.42 seconds (1.44 work units)

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

     0     0   34.00000    0  408    8.00000   34.00000   325%     -    4s
H    0     0                       9.0000000   34.00000   278%     -    6s
H    0     0                      10.0000000   34.00000   240%     -    6s
     0     0   34.00000    0  596   10.00000   34.00000   240%     -    9s
     0     0   34.00000    0  570   10.00000   34.00000   240%     -   10s
H    0     0                      12.0000000   34.00000   183%     -   19s
H    0     0                      13.0000000   34.00000   162%     -   19s
H    0     0                      14.0000000   34.00000   143%     -   19s
     0     0   34.00000    0  458   14.00000   34.00000   143%     -   19s
     0     0   34.00000    0  451   14.00000   34.00000   143%     -   20s
     0     0   34.00000    0  482   14.00000   34.00000   143%     -   31s
     0     0   34.00000    0  443   14.00000   34.00000   143%     -   32s
     0     0   34.00000    0  472   14.00000   34.00000   143%     -   41s
     0     0   34.00000    0  456   14.00000   34.00000   143%     -   42s
     0     0   34.00000    0  516   14.00000   34.00000   143%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 16
  Clique: 11
  MIR: 99
  StrongCG: 1
  GUB cover: 2
  Zero half: 22
  RLT: 55

Explored 1 nodes (62276 simplex iterations) in 50.06 seconds (46.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.400000000000e+01, gap 142.8571%

Wrote result file './lp_solutions/grafo5993.38.sol'

