check_invariant_sat - Check invariant property using sat based unmounded
  model checking
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   check_invariant_sat  [-h]  [-d] [-t <timeOutPeriod>] [-m <method>] [-v
   <verbosity_level>] <inv_file>

   Perform  SAT-based unbounded model checking on And-Inverter-Graph. The
   command compute fixed point of AG using AX operation. AX is implemented
   using AllSAT enumeration algorithm. Command options:

   -d
          Disable inclusion test on initial states.

   -v <verbosity_level>
          Specify verbosity level. This sets the amount of feedback on CPU
          usage and code status.

   -t <timeOutPeriod>
          Specify the time out period (in seconds) after which the command
          aborts. By default this option is set to infinity.

   -m <method>
          Specify the method for AllSAT algorithm.

   -h
          Print the command usage.

   <inv_file>
   File containing Invariant formulae to be checked.
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   Last updated on 20100410 00h02