
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:08:16 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5569.37.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/grafo5569.37.lp
Reading time = 0.11 seconds
: 60789 rows, 1769 columns, 183728 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 60789 rows, 1769 columns and 183728 nonzeros
Model fingerprint: 0x3a4caac1
Variable types: 41 continuous, 1728 integer (1728 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 3.0000000
Presolve removed 14264 rows and 28 columns
Presolve time: 0.54s
Presolved: 46525 rows, 1741 columns, 141250 nonzeros
Variable types: 0 continuous, 1741 integer (1700 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 28095 rows, 20171 columns, 104390 nonzeros


Root relaxation: objective 4.300000e+01, 1545 iterations, 0.92 seconds (0.55 work units)

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

     0     0   43.00000    0  328    9.00000   43.00000   378%     -    3s
H    0     0                      11.0000000   43.00000   291%     -    3s
     0     0   43.00000    0  670   11.00000   43.00000   291%     -   13s
     0     0   43.00000    0  624   11.00000   43.00000   291%     -   13s
     0     0   43.00000    0  671   11.00000   43.00000   291%     -   37s
H    0     0                      12.0000000   43.00000   258%     -   37s
     0     0   43.00000    0  678   12.00000   43.00000   258%     -   39s
     0     0   43.00000    0  688   12.00000   43.00000   258%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 2
  Cover: 8
  Clique: 3
  MIR: 122
  Zero half: 67
  RLT: 67

Explored 1 nodes (35668 simplex iterations) in 50.07 seconds (30.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 11 9 3 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.300000000000e+01, gap 258.3333%

Wrote result file './lp_solutions/grafo5569.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 08:34:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5569.37.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/grafo5569.37.lp
Reading time = 0.10 seconds
: 60789 rows, 1769 columns, 183728 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 60789 rows, 1769 columns and 183728 nonzeros
Model fingerprint: 0x3a4caac1
Variable types: 41 continuous, 1728 integer (1728 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 3.0000000
Presolve removed 14264 rows and 28 columns
Presolve time: 0.42s
Presolved: 46525 rows, 1741 columns, 141250 nonzeros
Variable types: 0 continuous, 1741 integer (1700 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 28095 rows, 20171 columns, 104390 nonzeros


Root relaxation: objective 4.300000e+01, 1545 iterations, 0.57 seconds (0.55 work units)

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

     0     0   43.00000    0  328    9.00000   43.00000   378%     -    2s
H    0     0                      11.0000000   43.00000   291%     -    2s
     0     0   43.00000    0  670   11.00000   43.00000   291%     -    9s
     0     0   43.00000    0  624   11.00000   43.00000   291%     -    9s
     0     0   43.00000    0  671   11.00000   43.00000   291%     -   27s
H    0     0                      12.0000000   43.00000   258%     -   27s
     0     0   43.00000    0  678   12.00000   43.00000   258%     -   28s
     0     0   43.00000    0  489   12.00000   43.00000   258%     -   49s
     0     0          -    0        12.00000   43.00000   258%     -   50s

Cutting planes:
  Gomory: 3
  Lift-and-project: 1
  Cover: 5
  Clique: 5
  MIR: 66
  Zero half: 6
  RLT: 37

Explored 1 nodes (51625 simplex iterations) in 50.06 seconds (47.27 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 11 9 3 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.300000000000e+01, gap 258.3333%

Wrote result file './lp_solutions/grafo5569.37.sol'

