sig   type token =       MODULE     | FUNCTION     | CONTRACT     | INCLUDE     | EXT_AT     | EXT_LET     | IDENTIFIER of string     | TYPENAME of string     | STRING_LITERAL of (bool * string)     | CONSTANT of Logic_ptree.constant     | CONSTANT10 of string     | LPAR     | RPAR     | IF     | ELSE     | COLON     | COLON2     | COLONCOLON     | DOT     | DOTDOT     | DOTDOTDOT     | INT     | INTEGER     | REAL     | BOOLEAN     | BOOL     | FLOAT     | LT     | GT     | LE     | GE     | EQ     | NE     | COMMA     | ARROW     | EQUAL     | FORALL     | EXISTS     | IFF     | IMPLIES     | AND     | OR     | NOT     | SEPARATED     | TRUE     | FALSE     | OLD     | AT     | RESULT     | BLOCK_LENGTH     | BASE_ADDR     | OFFSET     | VALID     | VALID_READ     | VALID_INDEX     | VALID_RANGE     | VALID_FUNCTION     | ALLOCATION     | STATIC     | REGISTER     | AUTOMATIC     | DYNAMIC     | UNALLOCATED     | ALLOCABLE     | FREEABLE     | FRESH     | DOLLAR     | QUESTION     | MINUS     | PLUS     | STAR     | AMP     | SLASH     | PERCENT     | LSQUARE     | RSQUARE     | EOF     | GLOBAL     | INVARIANT     | VARIANT     | DECREASES     | FOR     | LABEL     | ASSERT     | SEMICOLON     | NULL     | EMPTY     | REQUIRES     | ENSURES     | ALLOCATES     | FREES     | ASSIGNS     | LOOP     | NOTHING     | SLICE     | IMPACT     | PRAGMA     | FROM     | EXITS     | BREAKS     | CONTINUES     | RETURNS     | VOLATILE     | READS     | WRITES     | LOGIC     | PREDICATE     | INDUCTIVE     | AXIOMATIC     | AXIOM     | LEMMA     | LBRACE     | RBRACE     | GHOST     | MODEL     | CASE     | VOID     | CHAR     | SIGNED     | UNSIGNED     | SHORT     | LONG     | DOUBLE     | STRUCT     | ENUM     | UNION     | BSUNION     | INTER     | LTCOLON     | COLONGT     | TYPE     | BEHAVIOR     | BEHAVIORS     | ASSUMES     | COMPLETE     | DISJOINT     | TERMINATES     | BIFF     | BIMPLIES     | STARHAT     | HAT     | HATHAT     | PIPE     | TILDE     | GTGT     | LTLT     | SIZEOF     | LAMBDA     | LET     | TYPEOF     | BSTYPE     | WITH     | CONST     | INITIALIZED     | DANGLING     | CUSTOM     | LSQUAREPIPE     | RSQUAREPIPE   val lexpr_eof :     (Lexing.lexbuf -> Logic_parser.token) ->     Lexing.lexbuf -> Logic_ptree.lexpr   val annot :     (Lexing.lexbuf -> Logic_parser.token) ->     Lexing.lexbuf -> Logic_ptree.annot   val spec :     (Lexing.lexbuf -> Logic_parser.token) ->     Lexing.lexbuf -> Logic_ptree.spec   val ext_spec :     (Lexing.lexbuf -> Logic_parser.token) ->     Lexing.lexbuf -> Logic_ptree.ext_spec end