
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:21:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10892.37.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/grafo10892.37.lp
Reading time = 0.11 seconds
: 63970 rows, 1938 columns, 193522 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 63970 rows, 1938 columns and 193522 nonzeros
Model fingerprint: 0x29c5f3b0
Variable types: 44 continuous, 1894 integer (1894 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 13195 rows and 39 columns
Presolve time: 0.46s
Presolved: 50775 rows, 1899 columns, 154339 nonzeros
Variable types: 0 continuous, 1899 integer (1855 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1896 rows, 52671 columns, 156238 nonzeros


Root relaxation: objective 4.800000e+01, 1798 iterations, 0.36 seconds (0.33 work units)

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

     0     0   48.00000    0  502   10.00000   48.00000   380%     -    4s
H    0     0                      13.0000000   48.00000   269%     -    5s
H    0     0                      14.0000000   48.00000   243%     -   13s
     0     0   48.00000    0  812   14.00000   48.00000   243%     -   13s
     0     0   48.00000    0  830   14.00000   48.00000   243%     -   14s
     0     0   48.00000    0  667   14.00000   48.00000   243%     -   42s
     0     0   48.00000    0  648   14.00000   48.00000   243%     -   42s
     0     0          -    0        14.00000   48.00000   243%     -   50s

Cutting planes:
  Cover: 35
  Clique: 1
  MIR: 228
  StrongCG: 1
  GUB cover: 1
  Zero half: 62
  RLT: 63
  Relax-and-lift: 1

Explored 1 nodes (41457 simplex iterations) in 50.05 seconds (40.30 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 14 13 10 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.800000000000e+01, gap 242.8571%

Wrote result file './lp_solutions/grafo10892.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:23:54 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10892.37.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/grafo10892.37.lp
Reading time = 0.13 seconds
: 63970 rows, 1938 columns, 193522 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 63970 rows, 1938 columns and 193522 nonzeros
Model fingerprint: 0x29c5f3b0
Variable types: 44 continuous, 1894 integer (1894 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 13195 rows and 39 columns
Presolve time: 0.64s
Presolved: 50775 rows, 1899 columns, 154339 nonzeros
Variable types: 0 continuous, 1899 integer (1855 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1896 rows, 52671 columns, 156238 nonzeros


Root relaxation: objective 4.800000e+01, 1798 iterations, 0.59 seconds (0.33 work units)
Total elapsed time = 5.42s (DegenMoves)

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

     0     0   48.00000    0  502   10.00000   48.00000   380%     -    5s
H    0     0                      13.0000000   48.00000   269%     -    8s
H    0     0                      14.0000000   48.00000   243%     -   18s
     0     0   48.00000    0  812   14.00000   48.00000   243%     -   18s
     0     0   48.00000    0  830   14.00000   48.00000   243%     -   18s
     0     0   48.00000    0  667   14.00000   48.00000   243%     -   50s

Cutting planes:
  Gomory: 6
  Cover: 2
  Clique: 3
  MIR: 118
  StrongCG: 1
  Zero half: 73
  RLT: 64
  BQP: 1

Explored 1 nodes (34874 simplex iterations) in 50.07 seconds (32.43 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 14 13 10 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.800000000000e+01, gap 242.8571%

Wrote result file './lp_solutions/grafo10892.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:04:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10892.37.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/grafo10892.37.lp
Reading time = 0.10 seconds
: 63970 rows, 1938 columns, 193522 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 63970 rows, 1938 columns and 193522 nonzeros
Model fingerprint: 0x29c5f3b0
Variable types: 44 continuous, 1894 integer (1894 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 13195 rows and 39 columns
Presolve time: 0.44s
Presolved: 50775 rows, 1899 columns, 154339 nonzeros
Variable types: 0 continuous, 1899 integer (1855 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1896 rows, 52671 columns, 156238 nonzeros


Root relaxation: objective 4.800000e+01, 1798 iterations, 0.35 seconds (0.33 work units)

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

     0     0   48.00000    0  502   10.00000   48.00000   380%     -    4s
H    0     0                      13.0000000   48.00000   269%     -    5s
H    0     0                      14.0000000   48.00000   243%     -   12s
     0     0   48.00000    0  812   14.00000   48.00000   243%     -   12s
     0     0   48.00000    0  830   14.00000   48.00000   243%     -   12s
     0     0   48.00000    0  667   14.00000   48.00000   243%     -   37s
     0     0   48.00000    0  648   14.00000   48.00000   243%     -   37s
     0     0   48.00000    0  775   14.00000   48.00000   243%     -   50s

Cutting planes:
  Cover: 35
  Clique: 1
  MIR: 228
  StrongCG: 1
  GUB cover: 1
  Zero half: 62
  RLT: 63
  Relax-and-lift: 1

Explored 1 nodes (47531 simplex iterations) in 50.05 seconds (45.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 14 13 10 

Time limit reached
Best objective 1.400000000000e+01, best bound 4.800000000000e+01, gap 242.8571%

Wrote result file './lp_solutions/grafo10892.37.sol'

