
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 12:31:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1339.28.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/grafo1339.28.lp
Reading time = 0.27 seconds
: 158463 rows, 1457 columns, 476607 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 158463 rows, 1457 columns and 476607 nonzeros
Model fingerprint: 0xaae0c217
Variable types: 37 continuous, 1420 integer (1420 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 2.0000000
Presolve removed 76602 rows and 3 columns
Presolve time: 1.01s
Presolved: 81861 rows, 1454 columns, 246984 nonzeros
Variable types: 0 continuous, 1454 integer (1417 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1452 rows, 83313 columns, 248438 nonzeros


Root relaxation: objective 5.600000e+01, 1972 iterations, 0.81 seconds (0.88 work units)
Total elapsed time = 8.66s (DegenMoves)
Total elapsed time = 10.11s (DegenMoves)

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

     0     0   56.00000    0  441   11.00000   56.00000   409%     -   10s
     0     0   56.00000    0  684   11.00000   56.00000   409%     -   19s
     0     0   56.00000    0  624   11.00000   56.00000   409%     -   23s
     0     0   56.00000    0  741   11.00000   56.00000   409%     -   46s
     0     0   56.00000    0  667   11.00000   56.00000   409%     -   47s
     0     0          -    0        11.00000   56.00000   409%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 3
  Cover: 8
  Clique: 27
  MIR: 94
  Zero half: 88
  RLT: 89
  BQP: 4

Explored 1 nodes (28707 simplex iterations) in 50.02 seconds (52.57 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.599999999986e+01, gap 409.0909%

Wrote result file './lp_solutions/grafo1339.28.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 10:04:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1339.28.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/grafo1339.28.lp
Reading time = 0.25 seconds
: 158463 rows, 1457 columns, 476607 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 158463 rows, 1457 columns and 476607 nonzeros
Model fingerprint: 0xaae0c217
Variable types: 37 continuous, 1420 integer (1420 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 2.0000000
Presolve removed 76602 rows and 3 columns
Presolve time: 0.94s
Presolved: 81861 rows, 1454 columns, 246984 nonzeros
Variable types: 0 continuous, 1454 integer (1417 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1452 rows, 83313 columns, 248438 nonzeros


Root relaxation: objective 5.600000e+01, 1972 iterations, 0.71 seconds (0.88 work units)
Total elapsed time = 8.31s (DegenMoves)
Total elapsed time = 10.12s (DegenMoves)

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

     0     0   56.00000    0  441   11.00000   56.00000   409%     -   10s
     0     0   56.00000    0  684   11.00000   56.00000   409%     -   18s
     0     0   56.00000    0  624   11.00000   56.00000   409%     -   21s
     0     0   56.00000    0  741   11.00000   56.00000   409%     -   45s
     0     0   56.00000    0  667   11.00000   56.00000   409%     -   46s
     0     0          -    0        11.00000   56.00000   409%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 3
  Cover: 8
  Clique: 27
  MIR: 94
  Zero half: 88
  RLT: 89
  BQP: 4

Explored 1 nodes (29437 simplex iterations) in 50.02 seconds (53.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.599999999986e+01, gap 409.0909%

Wrote result file './lp_solutions/grafo1339.28.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 03:08:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1339.28.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/grafo1339.28.lp
Reading time = 0.26 seconds
: 158463 rows, 1457 columns, 476607 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 158463 rows, 1457 columns and 476607 nonzeros
Model fingerprint: 0xaae0c217
Variable types: 37 continuous, 1420 integer (1420 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 2.0000000
Presolve removed 76602 rows and 3 columns
Presolve time: 0.96s
Presolved: 81861 rows, 1454 columns, 246984 nonzeros
Variable types: 0 continuous, 1454 integer (1417 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 1452 rows, 83313 columns, 248438 nonzeros


Root relaxation: objective 5.600000e+01, 1972 iterations, 0.71 seconds (0.88 work units)
Total elapsed time = 8.26s (DegenMoves)
Total elapsed time = 10.03s (DegenMoves)

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

     0     0   56.00000    0  441   11.00000   56.00000   409%     -   10s
     0     0   56.00000    0  684   11.00000   56.00000   409%     -   18s
     0     0   56.00000    0  624   11.00000   56.00000   409%     -   21s
     0     0   56.00000    0  741   11.00000   56.00000   409%     -   43s
     0     0   56.00000    0  667   11.00000   56.00000   409%     -   44s
     0     0   56.00000    0  705   11.00000   56.00000   409%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 3
  Cover: 8
  Clique: 27
  MIR: 94
  Zero half: 88
  RLT: 89
  BQP: 4

Explored 1 nodes (30382 simplex iterations) in 50.03 seconds (55.82 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.599999999986e+01, gap 409.0909%

Wrote result file './lp_solutions/grafo1339.28.sol'

