
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:31:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3050.36.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/grafo3050.36.lp
Reading time = 0.09 seconds
: 33900 rows, 1470 columns, 102684 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 33900 rows, 1470 columns and 102684 nonzeros
Model fingerprint: 0xf8438121
Variable types: 36 continuous, 1434 integer (1434 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 3457 rows and 25 columns
Presolve time: 0.33s
Presolved: 30443 rows, 1445 columns, 92559 nonzeros
Variable types: 0 continuous, 1445 integer (1409 binary)
Root relaxation presolved: 16163 rows, 15725 columns, 63999 nonzeros


Root relaxation: objective 3.600000e+01, 1433 iterations, 0.69 seconds (0.28 work units)

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

     0     0   36.00000    0  369          -   36.00000      -     -    2s
H    0     0                       5.0000000   36.00000   620%     -    2s
H    0     0                       6.0000000   36.00000   500%     -    2s
H    0     0                       8.0000000   36.00000   350%     -    2s
H    0     0                      11.0000000   36.00000   227%     -    6s
     0     0   36.00000    0  496   11.00000   36.00000   227%     -    6s
H    0     0                      13.0000000   36.00000   177%     -    6s
     0     0   36.00000    0  481   13.00000   36.00000   177%     -    7s
H    0     0                      14.0000000   36.00000   157%     -   18s
H    0     0                      15.0000000   36.00000   140%     -   18s
     0     0   35.66667    0  308   15.00000   35.66667   138%     -   18s
     0     0   35.66667    0  457   15.00000   35.66667   138%     -   20s
H    0     0                      16.0000000   35.66667   123%     -   33s
     0     0   35.66667    0  404   16.00000   35.66667   123%     -   34s
     0     0   35.66667    0  388   16.00000   35.66667   123%     -   34s
     0     0   35.66667    0  429   16.00000   35.66667   123%     -   50s

Cutting planes:
  Cover: 1
  Clique: 1
  MIR: 12
  RLT: 14

Explored 1 nodes (54330 simplex iterations) in 50.09 seconds (28.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 3.500000000000e+01, gap 118.7500%

Wrote result file './lp_solutions/grafo3050.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:15:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3050.36.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/grafo3050.36.lp
Reading time = 0.06 seconds
: 33900 rows, 1470 columns, 102684 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 33900 rows, 1470 columns and 102684 nonzeros
Model fingerprint: 0xf8438121
Variable types: 36 continuous, 1434 integer (1434 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 3457 rows and 25 columns
Presolve time: 0.27s
Presolved: 30443 rows, 1445 columns, 92559 nonzeros
Variable types: 0 continuous, 1445 integer (1409 binary)
Root relaxation presolved: 16163 rows, 15725 columns, 63999 nonzeros


Root relaxation: objective 3.600000e+01, 1433 iterations, 0.46 seconds (0.28 work units)

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

     0     0   36.00000    0  369          -   36.00000      -     -    2s
H    0     0                       5.0000000   36.00000   620%     -    2s
H    0     0                       6.0000000   36.00000   500%     -    2s
H    0     0                       8.0000000   36.00000   350%     -    2s
H    0     0                      11.0000000   36.00000   227%     -    5s
     0     0   36.00000    0  496   11.00000   36.00000   227%     -    5s
H    0     0                      13.0000000   36.00000   177%     -    6s
     0     0   36.00000    0  481   13.00000   36.00000   177%     -    6s
H    0     0                      14.0000000   36.00000   157%     -   18s
H    0     0                      15.0000000   36.00000   140%     -   18s
     0     0   35.66667    0  308   15.00000   35.66667   138%     -   18s
     0     0   35.66667    0  457   15.00000   35.66667   138%     -   20s
H    0     0                      16.0000000   35.66667   123%     -   33s
     0     0   35.66667    0  404   16.00000   35.66667   123%     -   34s
     0     0   35.66667    0  388   16.00000   35.66667   123%     -   34s
     0     0   35.66667    0  429   16.00000   35.66667   123%     -   50s

Cutting planes:
  Cover: 1
  Clique: 1
  MIR: 12
  RLT: 14

Explored 1 nodes (54330 simplex iterations) in 50.07 seconds (28.96 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 3.500000000000e+01, gap 118.7500%

Wrote result file './lp_solutions/grafo3050.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:18:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3050.36.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/grafo3050.36.lp
Reading time = 0.06 seconds
: 33900 rows, 1470 columns, 102684 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 33900 rows, 1470 columns and 102684 nonzeros
Model fingerprint: 0xf8438121
Variable types: 36 continuous, 1434 integer (1434 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 3457 rows and 25 columns
Presolve time: 0.25s
Presolved: 30443 rows, 1445 columns, 92559 nonzeros
Variable types: 0 continuous, 1445 integer (1409 binary)
Root relaxation presolved: 16163 rows, 15725 columns, 63999 nonzeros


Root relaxation: objective 3.600000e+01, 1433 iterations, 0.37 seconds (0.28 work units)

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

     0     0   36.00000    0  369          -   36.00000      -     -    1s
H    0     0                       5.0000000   36.00000   620%     -    1s
H    0     0                       6.0000000   36.00000   500%     -    1s
H    0     0                       8.0000000   36.00000   350%     -    1s
H    0     0                      11.0000000   36.00000   227%     -    4s
     0     0   36.00000    0  496   11.00000   36.00000   227%     -    4s
H    0     0                      13.0000000   36.00000   177%     -    4s
     0     0   36.00000    0  481   13.00000   36.00000   177%     -    5s
H    0     0                      14.0000000   36.00000   157%     -   14s
H    0     0                      15.0000000   36.00000   140%     -   14s
     0     0   35.66667    0  308   15.00000   35.66667   138%     -   14s
     0     0   35.66667    0  457   15.00000   35.66667   138%     -   15s
H    0     0                      16.0000000   35.66667   123%     -   25s
     0     0   35.66667    0  404   16.00000   35.66667   123%     -   27s
     0     0   35.66667    0  388   16.00000   35.66667   123%     -   27s
     0     0   35.66667    0  429   16.00000   35.66667   123%     -   43s
     0     0   35.66667    0  354   16.00000   35.66667   123%     -   43s
     0     0   35.66667    0  357   16.00000   35.66667   123%     -   49s
     0     0          -    0        16.00000   35.66667   123%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 2
  MIR: 53
  Inf proof: 2
  Zero half: 6
  RLT: 24

Explored 1 nodes (64885 simplex iterations) in 50.03 seconds (33.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 3.500000000000e+01, gap 118.7500%

Wrote result file './lp_solutions/grafo3050.36.sol'

