
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:16:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10802.37.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/grafo10802.37.lp
Reading time = 0.10 seconds
: 54872 rows, 1830 columns, 166136 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 54872 rows, 1830 columns and 166136 nonzeros
Model fingerprint: 0x881ecde6
Variable types: 43 continuous, 1787 integer (1787 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 8895 rows and 28 columns
Presolve time: 0.38s
Presolved: 45977 rows, 1802 columns, 139799 nonzeros
Variable types: 0 continuous, 1802 integer (1759 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 25866 rows, 21913 columns, 99577 nonzeros


Root relaxation: objective 3.700000e+01, 1676 iterations, 0.53 seconds (0.45 work units)

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

     0     0   37.00000    0  326   10.00000   37.00000   270%     -    2s
H    0     0                      12.0000000   37.00000   208%     -    2s
H    0     0                      14.0000000   37.00000   164%     -    3s
     0     0   37.00000    0  425   14.00000   37.00000   164%     -    5s
H    0     0                      16.0000000   37.00000   131%     -    5s
     0     0   37.00000    0  415   16.00000   37.00000   131%     -    5s
H    0     0                      17.0000000   37.00000   118%     -   20s
     0     0   36.00000    0  515   17.00000   36.00000   112%     -   20s
     0     0   36.00000    0  494   17.00000   36.00000   112%     -   21s
     0     0   36.00000    0  407   17.00000   36.00000   112%     -   34s
     0     0   36.00000    0  421   17.00000   36.00000   112%     -   35s
H    0     0                      18.0000000   36.00000   100%     -   47s
     0     0   36.00000    0  394   18.00000   36.00000   100%     -   47s
     0     0   36.00000    0  386   18.00000   36.00000   100%     -   48s
     0     0          -    0        18.00000   36.00000   100%     -   50s

Cutting planes:
  Cover: 24
  Clique: 6
  MIR: 128
  StrongCG: 2
  GUB cover: 6
  Zero half: 17
  RLT: 51
  BQP: 1

Explored 1 nodes (55181 simplex iterations) in 50.05 seconds (39.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 18 17 16 ... 10

Time limit reached
Best objective 1.800000000000e+01, best bound 3.600000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo10802.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:18:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10802.37.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/grafo10802.37.lp
Reading time = 0.11 seconds
: 54872 rows, 1830 columns, 166136 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 54872 rows, 1830 columns and 166136 nonzeros
Model fingerprint: 0x881ecde6
Variable types: 43 continuous, 1787 integer (1787 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 8895 rows and 28 columns
Presolve time: 0.52s
Presolved: 45977 rows, 1802 columns, 139799 nonzeros
Variable types: 0 continuous, 1802 integer (1759 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 25866 rows, 21913 columns, 99577 nonzeros


Root relaxation: objective 3.700000e+01, 1676 iterations, 0.82 seconds (0.45 work units)

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

     0     0   37.00000    0  326   10.00000   37.00000   270%     -    3s
H    0     0                      12.0000000   37.00000   208%     -    3s
H    0     0                      14.0000000   37.00000   164%     -    5s
     0     0   37.00000    0  425   14.00000   37.00000   164%     -    7s
H    0     0                      16.0000000   37.00000   131%     -    7s
     0     0   37.00000    0  415   16.00000   37.00000   131%     -    8s
H    0     0                      17.0000000   37.00000   118%     -   26s
     0     0   36.00000    0  515   17.00000   36.00000   112%     -   26s
     0     0   36.00000    0  494   17.00000   36.00000   112%     -   27s
     0     0   36.00000    0  407   17.00000   36.00000   112%     -   44s
     0     0   36.00000    0  421   17.00000   36.00000   112%     -   44s
     0     0   36.00000    0  600   17.00000   36.00000   112%     -   50s

Cutting planes:
  Cover: 15
  Clique: 7
  MIR: 160
  StrongCG: 1
  GUB cover: 4
  Zero half: 29
  RLT: 55

Explored 1 nodes (43223 simplex iterations) in 50.08 seconds (30.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 17 16 14 ... 10

Time limit reached
Best objective 1.700000000000e+01, best bound 3.600000000000e+01, gap 111.7647%

Wrote result file './lp_solutions/grafo10802.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:03:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10802.37.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/grafo10802.37.lp
Reading time = 0.09 seconds
: 54872 rows, 1830 columns, 166136 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 54872 rows, 1830 columns and 166136 nonzeros
Model fingerprint: 0x881ecde6
Variable types: 43 continuous, 1787 integer (1787 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 8895 rows and 28 columns
Presolve time: 0.37s
Presolved: 45977 rows, 1802 columns, 139799 nonzeros
Variable types: 0 continuous, 1802 integer (1759 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 25866 rows, 21913 columns, 99577 nonzeros


Root relaxation: objective 3.700000e+01, 1676 iterations, 0.51 seconds (0.45 work units)

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

     0     0   37.00000    0  326   10.00000   37.00000   270%     -    2s
H    0     0                      12.0000000   37.00000   208%     -    2s
H    0     0                      14.0000000   37.00000   164%     -    3s
     0     0   37.00000    0  425   14.00000   37.00000   164%     -    4s
H    0     0                      16.0000000   37.00000   131%     -    4s
     0     0   37.00000    0  415   16.00000   37.00000   131%     -    4s
H    0     0                      17.0000000   37.00000   118%     -   17s
     0     0   36.00000    0  515   17.00000   36.00000   112%     -   17s
     0     0   36.00000    0  494   17.00000   36.00000   112%     -   18s
     0     0   36.00000    0  407   17.00000   36.00000   112%     -   30s
     0     0   36.00000    0  421   17.00000   36.00000   112%     -   30s
H    0     0                      18.0000000   36.00000   100%     -   41s
     0     0   36.00000    0  394   18.00000   36.00000   100%     -   41s
     0     0   36.00000    0  386   18.00000   36.00000   100%     -   42s
     0     0   36.00000    0  343   18.00000   36.00000   100%     -   47s
     0     0   36.00000    0  291   18.00000   36.00000   100%     -   48s
     0     0   36.00000    0  512   18.00000   36.00000   100%     -   50s

Cutting planes:
  Cover: 27
  Clique: 9
  MIR: 149
  GUB cover: 6
  Zero half: 41
  RLT: 50
  BQP: 2

Explored 1 nodes (64831 simplex iterations) in 50.06 seconds (45.10 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 18 17 16 ... 10

Time limit reached
Best objective 1.800000000000e+01, best bound 3.600000000000e+01, gap 100.0000%

Wrote result file './lp_solutions/grafo10802.37.sol'

