
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:44:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6053.38.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/grafo6053.38.lp
Reading time = 0.09 seconds
: 51119 rows, 1634 columns, 154482 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 51119 rows, 1634 columns and 154482 nonzeros
Model fingerprint: 0x67f4cd06
Variable types: 38 continuous, 1596 integer (1596 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 10402 rows and 30 columns
Presolve time: 0.38s
Presolved: 40717 rows, 1604 columns, 123574 nonzeros
Variable types: 0 continuous, 1604 integer (1566 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 23845 rows, 18476 columns, 89830 nonzeros


Root relaxation: objective 3.500000e+01, 3385 iterations, 1.84 seconds (1.57 work units)
Total elapsed time = 5.18s (DegenMoves)

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

     0     0   35.00000    0  461    6.00000   35.00000   483%     -    6s
H    0     0                       8.0000000   35.00000   337%     -    6s
H    0     0                       9.0000000   35.00000   289%     -    8s
     0     0   35.00000    0  620    9.00000   35.00000   289%     -   12s
H    0     0                      10.0000000   35.00000   250%     -   12s
     0     0   35.00000    0  593   10.00000   35.00000   250%     -   13s
     0     0   35.00000    0  351   10.00000   35.00000   250%     -   19s
     0     0   35.00000    0  310   10.00000   35.00000   250%     -   19s
     0     0   35.00000    0  409   10.00000   35.00000   250%     -   31s
     0     0   35.00000    0  360   10.00000   35.00000   250%     -   31s
     0     0   35.00000    0  424   10.00000   35.00000   250%     -   43s
     0     0   35.00000    0  452   10.00000   35.00000   250%     -   43s
     0     0   35.00000    0  574   10.00000   35.00000   250%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 25
  Clique: 8
  MIR: 143
  StrongCG: 3
  GUB cover: 3
  Zero half: 32
  RLT: 52

Explored 1 nodes (59932 simplex iterations) in 50.04 seconds (40.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... -0

Time limit reached
Best objective 1.000000000000e+01, best bound 3.500000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo6053.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:40:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6053.38.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/grafo6053.38.lp
Reading time = 0.08 seconds
: 51119 rows, 1634 columns, 154482 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 51119 rows, 1634 columns and 154482 nonzeros
Model fingerprint: 0x67f4cd06
Variable types: 38 continuous, 1596 integer (1596 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 10402 rows and 30 columns
Presolve time: 0.33s
Presolved: 40717 rows, 1604 columns, 123574 nonzeros
Variable types: 0 continuous, 1604 integer (1566 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 23845 rows, 18476 columns, 89830 nonzeros


Root relaxation: objective 3.500000e+01, 3385 iterations, 1.58 seconds (1.57 work units)
Total elapsed time = 5.20s (DegenMoves)

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

     0     0   35.00000    0  461    6.00000   35.00000   483%     -    5s
H    0     0                       8.0000000   35.00000   337%     -    5s
H    0     0                       9.0000000   35.00000   289%     -    7s
     0     0   35.00000    0  620    9.00000   35.00000   289%     -   10s
H    0     0                      10.0000000   35.00000   250%     -   11s
     0     0   35.00000    0  593   10.00000   35.00000   250%     -   11s
     0     0   35.00000    0  351   10.00000   35.00000   250%     -   16s
     0     0   35.00000    0  310   10.00000   35.00000   250%     -   17s
     0     0   35.00000    0  409   10.00000   35.00000   250%     -   27s
     0     0   35.00000    0  360   10.00000   35.00000   250%     -   27s
     0     0   35.00000    0  424   10.00000   35.00000   250%     -   37s
     0     0   35.00000    0  452   10.00000   35.00000   250%     -   37s
H    0     0                      11.0000000   35.00000   218%     -   49s
     0     0   35.00000    0  432   11.00000   35.00000   218%     -   49s
     0     0          -    0        11.00000   35.00000   218%     -   50s

Cutting planes:
  Cover: 2
  Clique: 12
  MIR: 46
  GUB cover: 2
  Zero half: 8
  RLT: 39

Explored 1 nodes (70959 simplex iterations) in 50.04 seconds (50.23 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... -0

Time limit reached
Best objective 1.100000000000e+01, best bound 3.500000000000e+01, gap 218.1818%

Wrote result file './lp_solutions/grafo6053.38.sol'

