stats.log

Welcome to the CBC MILP Solver 
Version: 2.10.3 
Build Date: Dec 15 2019 

command line - /home/ruofei/.local/lib/python3.8/site-packages/pulp/solverdir/cbc/linux/64/cbc /tmp/89b3efc78c2e4b59b2f83cbc3267ae71-pulp.mps timeMode elapsed branch printingOptions all solution /tmp/89b3efc78c2e4b59b2f83cbc3267ae71-pulp.sol (default strategy 1)
At line 2 NAME          MODEL
At line 3 ROWS
At line 130 COLUMNS
At line 1115 RHS
At line 1241 BOUNDS
At line 1488 ENDATA
Problem MODEL has 125 rows, 246 columns and 738 elements
Coin0008I MODEL read with 0 errors
Option for timeMode changed from cpu to elapsed
Presolve 1 (-124) rows, 123 (-123) columns and 123 (-615) elements
Perturbing problem by 0.001% of 1481.3272 - largest nonzero change 0.00013939788 ( 0.010083219%) - largest zero change 0
0  Obj 61.5 Primal inf 3.7723157 (1)
1  Obj 64.08236
Optimal - objective value 64.082315
After Postsolve, objective 64.082315, infeasibilities - dual 0 (0), primal 0 (0)
Optimal objective 64.08231497 - 1 iterations time 0.002, Presolve 0.00
Option for printingOptions changed from normal to all
Total time (CPU seconds):       0.00   (Wallclock seconds):       0.00