
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 04:38:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2064.33.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/grafo2064.33.lp
Reading time = 0.14 seconds
: 45291 rows, 1406 columns, 136906 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 45291 rows, 1406 columns and 136906 nonzeros
Model fingerprint: 0xdf5609e3
Variable types: 36 continuous, 1370 integer (1370 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 11823 rows and 20 columns
Presolve time: 0.48s
Presolved: 33468 rows, 1386 columns, 101724 nonzeros
Variable types: 0 continuous, 1386 integer (1350 binary)
Root relaxation presolved: 20872 rows, 13982 columns, 76532 nonzeros


Root relaxation: objective 3.700000e+01, 1438 iterations, 0.69 seconds (0.38 work units)

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

     0     0   37.00000    0  218          -   37.00000      -     -    2s
H    0     0                      10.0000000   37.00000   270%     -    3s
H    0     0                      12.0000000   37.00000   208%     -    3s
     0     0   37.00000    0  424   12.00000   37.00000   208%     -    5s
H    0     0                      13.0000000   37.00000   185%     -    5s
     0     0   37.00000    0  399   13.00000   37.00000   185%     -    5s
     0     0   37.00000    0  338   13.00000   37.00000   185%     -   17s
     0     0   37.00000    0  333   13.00000   37.00000   185%     -   17s
H    0     0                      14.0000000   37.00000   164%     -   41s
     0     0   36.66667    0  333   14.00000   36.66667   162%     -   41s
     0     0   36.66667    0  330   14.00000   36.66667   162%     -   41s
     0     0   36.66667    0  496   14.00000   36.66667   162%     -   50s

Cutting planes:
  Cover: 31
  Clique: 8
  MIR: 112
  GUB cover: 3
  Zero half: 45
  RLT: 45

Explored 1 nodes (51305 simplex iterations) in 50.06 seconds (33.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 14 13 12 10 

Time limit reached
Best objective 1.400000000000e+01, best bound 3.600000000000e+01, gap 157.1429%

Wrote result file './lp_solutions/grafo2064.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 11:42:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2064.33.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/grafo2064.33.lp
Reading time = 0.07 seconds
: 45291 rows, 1406 columns, 136906 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 45291 rows, 1406 columns and 136906 nonzeros
Model fingerprint: 0xdf5609e3
Variable types: 36 continuous, 1370 integer (1370 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 11823 rows and 20 columns
Presolve time: 0.31s
Presolved: 33468 rows, 1386 columns, 101724 nonzeros
Variable types: 0 continuous, 1386 integer (1350 binary)
Root relaxation presolved: 20872 rows, 13982 columns, 76532 nonzeros


Root relaxation: objective 3.700000e+01, 1438 iterations, 0.40 seconds (0.38 work units)

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

     0     0   37.00000    0  218          -   37.00000      -     -    1s
H    0     0                      10.0000000   37.00000   270%     -    2s
H    0     0                      12.0000000   37.00000   208%     -    2s
     0     0   37.00000    0  424   12.00000   37.00000   208%     -    3s
H    0     0                      13.0000000   37.00000   185%     -    3s
     0     0   37.00000    0  399   13.00000   37.00000   185%     -    3s
     0     0   37.00000    0  338   13.00000   37.00000   185%     -   11s
     0     0   37.00000    0  333   13.00000   37.00000   185%     -   12s
H    0     0                      14.0000000   37.00000   164%     -   29s
     0     0   36.66667    0  333   14.00000   36.66667   162%     -   29s
     0     0   36.66667    0  330   14.00000   36.66667   162%     -   29s
     0     0   36.66667    0  301   14.00000   36.66667   162%     -   41s
     0     0   36.66667    0  282   14.00000   36.66667   162%     -   42s
H    0     0                      15.0000000   36.66667   144%     -   48s
     0     0   36.66667    0  308   15.00000   36.66667   144%     -   48s
     0     0   36.66667    0  290   15.00000   36.66667   144%     -   49s
     0     0          -    0        15.00000   36.66667   144%     -   50s

Cutting planes:
  Cover: 25
  Clique: 5
  MIR: 126
  StrongCG: 2
  GUB cover: 2
  Zero half: 24
  RLT: 64

Explored 1 nodes (71043 simplex iterations) in 50.03 seconds (44.43 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 14 13 ... 10

Time limit reached
Best objective 1.500000000000e+01, best bound 3.600000000000e+01, gap 140.0000%

Wrote result file './lp_solutions/grafo2064.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 04:45:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2064.33.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/grafo2064.33.lp
Reading time = 0.07 seconds
: 45291 rows, 1406 columns, 136906 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 45291 rows, 1406 columns and 136906 nonzeros
Model fingerprint: 0xdf5609e3
Variable types: 36 continuous, 1370 integer (1370 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 11823 rows and 20 columns
Presolve time: 0.31s
Presolved: 33468 rows, 1386 columns, 101724 nonzeros
Variable types: 0 continuous, 1386 integer (1350 binary)
Root relaxation presolved: 20872 rows, 13982 columns, 76532 nonzeros


Root relaxation: objective 3.700000e+01, 1438 iterations, 0.38 seconds (0.38 work units)

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

     0     0   37.00000    0  218          -   37.00000      -     -    1s
H    0     0                      10.0000000   37.00000   270%     -    2s
H    0     0                      12.0000000   37.00000   208%     -    2s
     0     0   37.00000    0  424   12.00000   37.00000   208%     -    3s
H    0     0                      13.0000000   37.00000   185%     -    3s
     0     0   37.00000    0  399   13.00000   37.00000   185%     -    3s
     0     0   37.00000    0  338   13.00000   37.00000   185%     -   11s
     0     0   37.00000    0  333   13.00000   37.00000   185%     -   11s
H    0     0                      14.0000000   37.00000   164%     -   29s
     0     0   36.66667    0  333   14.00000   36.66667   162%     -   29s
     0     0   36.66667    0  330   14.00000   36.66667   162%     -   29s
     0     0   36.66667    0  301   14.00000   36.66667   162%     -   41s
     0     0   36.66667    0  282   14.00000   36.66667   162%     -   41s
H    0     0                      15.0000000   36.66667   144%     -   48s
     0     0   36.66667    0  308   15.00000   36.66667   144%     -   48s
     0     0   36.66667    0  290   15.00000   36.66667   144%     -   48s
     0     0   36.66667    0  418   15.00000   36.66667   144%     -   50s

Cutting planes:
  Cover: 25
  Clique: 5
  MIR: 126
  StrongCG: 2
  GUB cover: 2
  Zero half: 24
  RLT: 64

Explored 1 nodes (71876 simplex iterations) in 50.05 seconds (45.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 15 14 13 ... 10

Time limit reached
Best objective 1.500000000000e+01, best bound 3.600000000000e+01, gap 140.0000%

Wrote result file './lp_solutions/grafo2064.33.sol'

