
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 04:37:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7323.45.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/grafo7323.45.lp
Reading time = 0.42 seconds
: 225186 rows, 3081 columns, 678451 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 225186 rows, 3081 columns and 678451 nonzeros
Model fingerprint: 0xd43cf3c5
Variable types: 56 continuous, 3025 integer (3025 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, 6e+01]
Found heuristic solution: objective 3.0000000
Presolve removed 77238 rows and 30 columns
Presolve time: 2.03s
Presolved: 147948 rows, 3051 columns, 447214 nonzeros
Variable types: 0 continuous, 3051 integer (2995 binary)
Found heuristic solution: objective 14.0000000
Root relaxation presolved: 3048 rows, 150996 columns, 450265 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   11341    9.8089341e+01   0.000000e+00   7.610159e+05      5s
   25949    6.2881834e+01   0.000000e+00   9.689900e+04     10s
   39872    6.2776665e+01   0.000000e+00   2.819356e+05     15s
   53505    6.2726802e+01   0.000000e+00   3.279862e+04     20s
   66529    6.2710350e+01   0.000000e+00   2.737377e+04     25s
   80145    6.2701452e+01   0.000000e+00   2.185135e+04     30s
   93169    6.2696485e+01   0.000000e+00   1.414088e+04     35s
  106193    6.2693754e+01   0.000000e+00   4.529925e+02     40s
  118868    6.3000000e+01   0.000000e+00   0.000000e+00     45s
  118868    6.3000000e+01   0.000000e+00   0.000000e+00     45s
  118868    6.3000000e+01   0.000000e+00   0.000000e+00     45s

Root relaxation: objective 6.300000e+01, 118868 iterations, 42.72 seconds (24.97 work units)

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

     0     0   63.00000    0 1745   14.00000   63.00000   350%     -   50s

Explored 1 nodes (119967 simplex iterations) in 50.06 seconds (31.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 14 3 

Time limit reached
Best objective 1.400000000000e+01, best bound 6.300000000000e+01, gap 350.0000%

Wrote result file './lp_solutions/grafo7323.45.sol'

