
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:12:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2130.31.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/grafo2130.31.lp
Reading time = 0.06 seconds
: 26964 rows, 1210 columns, 81736 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 26964 rows, 1210 columns and 81736 nonzeros
Model fingerprint: 0x052e6d9c
Variable types: 34 continuous, 1176 integer (1176 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 -0.0000000
Presolve removed 3881 rows and 30 columns
Presolve time: 0.30s
Presolved: 23083 rows, 1180 columns, 70363 nonzeros
Variable types: 0 continuous, 1180 integer (1146 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 12604 rows, 11659 columns, 49405 nonzeros


Root relaxation: objective 3.000000e+01, 4639 iterations, 2.74 seconds (1.61 work units)
Total elapsed time = 6.05s (DegenMoves)

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

     0     0   30.00000    0  557    7.00000   30.00000   329%     -    8s
H    0     0                       9.0000000   30.00000   233%     -   10s
     0     0   30.00000    0  634    9.00000   30.00000   233%     -   14s
     0     0   30.00000    0  591    9.00000   30.00000   233%     -   14s
     0     0   30.00000    0  366    9.00000   30.00000   233%     -   23s
     0     0   30.00000    0  353    9.00000   30.00000   233%     -   23s
     0     0   30.00000    0  314    9.00000   30.00000   233%     -   31s
     0     0   30.00000    0  359    9.00000   30.00000   233%     -   32s
     0     0   30.00000    0  274    9.00000   30.00000   233%     -   45s
     0     0   30.00000    0  232    9.00000   30.00000   233%     -   45s
     0     0   30.00000    0  466    9.00000   30.00000   233%     -   50s

Cutting planes:
  Cover: 32
  MIR: 156
  StrongCG: 3
  GUB cover: 8
  Zero half: 41
  RLT: 52

Explored 1 nodes (65431 simplex iterations) in 50.03 seconds (30.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 7 -0 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.000000000000e+01, gap 233.3333%

Wrote result file './lp_solutions/grafo2130.31.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 03:04:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2130.31.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/grafo2130.31.lp
Reading time = 0.06 seconds
: 26964 rows, 1210 columns, 81736 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 26964 rows, 1210 columns and 81736 nonzeros
Model fingerprint: 0x052e6d9c
Variable types: 34 continuous, 1176 integer (1176 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 -0.0000000
Presolve removed 3881 rows and 30 columns
Presolve time: 0.22s
Presolved: 23083 rows, 1180 columns, 70363 nonzeros
Variable types: 0 continuous, 1180 integer (1146 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 12604 rows, 11659 columns, 49405 nonzeros


Root relaxation: objective 3.000000e+01, 4639 iterations, 2.45 seconds (1.61 work units)
Total elapsed time = 5.65s (DegenMoves)

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

     0     0   30.00000    0  557    7.00000   30.00000   329%     -    7s
H    0     0                       9.0000000   30.00000   233%     -    9s
     0     0   30.00000    0  634    9.00000   30.00000   233%     -   13s
     0     0   30.00000    0  591    9.00000   30.00000   233%     -   14s
     0     0   30.00000    0  366    9.00000   30.00000   233%     -   21s
     0     0   30.00000    0  353    9.00000   30.00000   233%     -   22s
     0     0   30.00000    0  314    9.00000   30.00000   233%     -   30s
     0     0   30.00000    0  359    9.00000   30.00000   233%     -   30s
     0     0   30.00000    0  274    9.00000   30.00000   233%     -   43s
     0     0   30.00000    0  232    9.00000   30.00000   233%     -   43s
     0     0   30.00000    0  356    9.00000   30.00000   233%     -   49s

Cutting planes:
  Cover: 2
  MIR: 21
  Zero half: 2
  RLT: 13

Explored 1 nodes (67314 simplex iterations) in 50.04 seconds (31.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 7 -0 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.000000000000e+01, gap 233.3333%

Wrote result file './lp_solutions/grafo2130.31.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 04:07:21 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2130.31.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/grafo2130.31.lp
Reading time = 0.06 seconds
: 26964 rows, 1210 columns, 81736 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 26964 rows, 1210 columns and 81736 nonzeros
Model fingerprint: 0x052e6d9c
Variable types: 34 continuous, 1176 integer (1176 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 -0.0000000
Presolve removed 3881 rows and 30 columns
Presolve time: 0.24s
Presolved: 23083 rows, 1180 columns, 70363 nonzeros
Variable types: 0 continuous, 1180 integer (1146 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 12604 rows, 11659 columns, 49405 nonzeros


Root relaxation: objective 3.000000e+01, 4639 iterations, 2.34 seconds (1.61 work units)
Total elapsed time = 5.30s (DegenMoves)

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

     0     0   30.00000    0  557    7.00000   30.00000   329%     -    7s
H    0     0                       9.0000000   30.00000   233%     -    8s
     0     0   30.00000    0  634    9.00000   30.00000   233%     -   11s
     0     0   30.00000    0  591    9.00000   30.00000   233%     -   12s
     0     0   30.00000    0  366    9.00000   30.00000   233%     -   18s
     0     0   30.00000    0  353    9.00000   30.00000   233%     -   19s
     0     0   30.00000    0  314    9.00000   30.00000   233%     -   25s
     0     0   30.00000    0  359    9.00000   30.00000   233%     -   25s
     0     0   30.00000    0  274    9.00000   30.00000   233%     -   37s
     0     0   30.00000    0  232    9.00000   30.00000   233%     -   37s
     0     0   30.00000    0  356    9.00000   30.00000   233%     -   42s
     0     0   30.00000    0  322    9.00000   30.00000   233%     -   42s
H    0     0                      11.0000000   30.00000   173%     -   50s
     0     0   30.00000    0  253   11.00000   30.00000   173%     -   50s

Cutting planes:
  MIR: 3
  Zero half: 1
  RLT: 4

Explored 1 nodes (80316 simplex iterations) in 50.04 seconds (37.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 9 7 -0 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.000000000000e+01, gap 172.7273%

Wrote result file './lp_solutions/grafo2130.31.sol'

