
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:12:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3538.40.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/grafo3538.40.lp
Reading time = 0.12 seconds
: 60524 rows, 1739 columns, 182732 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 60524 rows, 1739 columns and 182732 nonzeros
Model fingerprint: 0x39df0a41
Variable types: 38 continuous, 1701 integer (1701 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 13874 rows and 21 columns
Presolve time: 0.66s
Presolved: 46650 rows, 1718 columns, 141367 nonzeros
Variable types: 0 continuous, 1718 integer (1680 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 28334 rows, 20034 columns, 104735 nonzeros


Root relaxation: objective 3.800000e+01, 4374 iterations, 3.42 seconds (2.39 work units)
Total elapsed time = 8.51s (DegenMoves)
Total elapsed time = 18.20s (DegenMoves)
Total elapsed time = 20.20s (DegenMoves)

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

     0     0   38.00000    0  372    9.00000   38.00000   322%     -   22s
H    0     0                      11.0000000   38.00000   245%     -   22s
     0     0   38.00000    0  554   11.00000   38.00000   245%     -   29s
     0     0   38.00000    0  554   11.00000   38.00000   245%     -   30s
     0     0   38.00000    0  310   11.00000   38.00000   245%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 2
  Cover: 6
  Clique: 12
  MIR: 110
  StrongCG: 1
  Zero half: 74
  RLT: 70

Explored 1 nodes (48369 simplex iterations) in 50.06 seconds (38.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 9 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.800000000000e+01, gap 245.4545%

Wrote result file './lp_solutions/grafo3538.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 04:08:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3538.40.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/grafo3538.40.lp
Reading time = 0.10 seconds
: 60524 rows, 1739 columns, 182732 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 60524 rows, 1739 columns and 182732 nonzeros
Model fingerprint: 0x39df0a41
Variable types: 38 continuous, 1701 integer (1701 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 13874 rows and 21 columns
Presolve time: 0.41s
Presolved: 46650 rows, 1718 columns, 141367 nonzeros
Variable types: 0 continuous, 1718 integer (1680 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 28334 rows, 20034 columns, 104735 nonzeros


Root relaxation: objective 3.800000e+01, 4374 iterations, 2.36 seconds (2.39 work units)
Total elapsed time = 6.05s (DegenMoves)
Total elapsed time = 13.63s (DegenMoves)
Total elapsed time = 15.05s (DegenMoves)

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

     0     0   38.00000    0  372    9.00000   38.00000   322%     -   16s
H    0     0                      11.0000000   38.00000   245%     -   16s
     0     0   38.00000    0  554   11.00000   38.00000   245%     -   21s
     0     0   38.00000    0  554   11.00000   38.00000   245%     -   22s
     0     0   38.00000    0  266   11.00000   38.00000   245%     -   35s
     0     0   38.00000    0  303   11.00000   38.00000   245%     -   36s
     0     0   38.00000    0  391   11.00000   38.00000   245%     -   44s
     0     0   38.00000    0  373   11.00000   38.00000   245%     -   44s
     0     0   38.00000    0  486   11.00000   38.00000   245%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 19
  Clique: 13
  MIR: 137
  StrongCG: 2
  GUB cover: 2
  Zero half: 74
  RLT: 63
  BQP: 1

Explored 1 nodes (68471 simplex iterations) in 50.04 seconds (52.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 9 2 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.800000000000e+01, gap 245.4545%

Wrote result file './lp_solutions/grafo3538.40.sol'

