Warning: 'transfer' is deprecated and scheduled for removal. Use 'call{value: <amount>}("")' instead.
  --> input.sol:10:3:
   |
10 | 		a.transfer(x);
   | 		^^^^^^^^^^

Warning: BMC: Insufficient funds happens here.
  --> input.sol:10:3:
   |
10 | 		a.transfer(x);
   | 		^^^^^^^^^^^^^
Note: Counterexample:
  a = 0
  x = 0

Note: Callstack:
Note:
