src/HOL/Tools/res_reconstruct.ML
author paulson
Fri, 29 Jun 2007 18:21:25 +0200
changeset 23519 a4ffa756d8eb
parent 23139 aa899bce7c3b
child 23833 3fe991a1f805
permissions -rwxr-xr-x
bug fixes to proof reconstruction
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
     1
(*  ID:         $Id$
21979
80e10f181c46 Improvements to proof reconstruction. Now "fixes" is inserted
paulson
parents: 21978
diff changeset
     2
    Author:     L C Paulson and Claire Quigley
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
     3
    Copyright   2004  University of Cambridge
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
     4
*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
     5
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
     6
(***************************************************************************)
21979
80e10f181c46 Improvements to proof reconstruction. Now "fixes" is inserted
paulson
parents: 21978
diff changeset
     7
(*  Code to deal with the transfer of proofs from a prover process         *)
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
     8
(***************************************************************************)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
     9
signature RES_RECONSTRUCT =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    10
  sig
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    11
    val checkEProofFound:
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    12
          TextIO.instream * TextIO.outstream * Posix.Process.pid *
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
    13
          string * Proof.context * thm * int * string Vector.vector -> bool
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    14
    val checkVampProofFound:
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    15
          TextIO.instream * TextIO.outstream * Posix.Process.pid *
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
    16
          string * Proof.context * thm * int * string Vector.vector -> bool
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    17
    val checkSpassProofFound:
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    18
          TextIO.instream * TextIO.outstream * Posix.Process.pid *
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
    19
          string * Proof.context * thm * int * string Vector.vector -> bool
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    20
    val signal_parent:
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    21
          TextIO.outstream * Posix.Process.pid * string * string -> unit
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    22
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    23
  end;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    24
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    25
structure ResReconstruct =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    26
struct
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    27
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    28
val trace_path = Path.basic "atp_trace";
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    29
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    30
fun trace s = if !Output.debugging then File.append (File.tmp_path trace_path) s
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    31
              else ();
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    32
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    33
(*Full proof reconstruction wanted*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    34
val full = ref true;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    35
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
    36
val recon_sorts = ref false;
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
    37
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
    38
val modulus = ref 1;    (*keep every nth proof line*)
22044
6c0702a96076 More compact proof reconstruction: lines having fewer than !min_deps dependences are folded
paulson
parents: 22012
diff changeset
    39
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    40
(**** PARSING OF TSTP FORMAT ****)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    41
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    42
(*Syntax trees, either termlist or formulae*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    43
datatype stree = Int of int | Br of string * stree list;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    44
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    45
fun atom x = Br(x,[]);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    46
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    47
fun scons (x,y) = Br("cons", [x,y]);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    48
val listof = foldl scons (atom "nil");
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    49
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    50
(*Strings enclosed in single quotes, e.g. filenames*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    51
val quoted = $$"'" |-- Scan.repeat (~$$"'") --| $$"'" >> implode;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    52
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    53
(*Intended for $true and $false*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    54
fun tf s = "c_" ^ str (Char.toUpper (String.sub(s,0))) ^ String.extract(s,1,NONE);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    55
val truefalse = $$"$" |-- Symbol.scan_id >> (atom o tf);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    56
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    57
(*Integer constants, typically proof line numbers*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    58
fun is_digit s = Char.isDigit (String.sub(s,0));
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    59
val integer = Scan.many1 is_digit >> (valOf o Int.fromString o implode);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    60
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    61
(*Generalized FO terms, which include filenames, numbers, etc.*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    62
fun termlist x = (term -- Scan.repeat ($$"," |-- term) >> op::) x
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    63
and term x = (quoted >> atom || integer>>Int || truefalse ||
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    64
              Symbol.scan_id -- Scan.optional ($$"(" |-- termlist --| $$")") [] >> Br ||
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    65
              $$"(" |-- term --| $$")" ||
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    66
              $$"[" |-- termlist --| $$"]" >> listof) x;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    67
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    68
fun negate t = Br("c_Not", [t]);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    69
fun equate (t1,t2) = Br("c_equal", [t1,t2]);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    70
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    71
(*Apply equal or not-equal to a term*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    72
fun syn_equal (t, NONE) = t
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    73
  | syn_equal (t1, SOME (NONE, t2)) = equate (t1,t2)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    74
  | syn_equal (t1, SOME (SOME _, t2)) = negate (equate (t1,t2));
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    75
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    76
(*Literals can involve negation, = and !=.*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    77
val literal = $$"~" |-- term >> negate ||
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    78
              (term -- Scan.option (Scan.option ($$"!") --| $$"=" -- term) >> syn_equal) ;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    79
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    80
val literals = literal -- Scan.repeat ($$"|" |-- literal) >> op:: ;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    81
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    82
(*Clause: a list of literals separated by the disjunction sign*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    83
val clause = $$"(" |-- literals --| $$")";
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    84
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    85
val annotations = $$"," |-- term -- Scan.option ($$"," |-- termlist);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    86
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    87
(*<cnf_annotated> ::=Ęcnf(<name>,<formula_role>,<cnf_formula><annotations>).
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    88
  The <name> could be an identifier, but we assume integers.*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    89
val tstp_line = (Scan.this_string "cnf" -- $$"(") |--
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
    90
                integer --| $$"," -- Symbol.scan_id --| $$"," --
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    91
                clause -- Scan.option annotations --| $$ ")";
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    92
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    93
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    94
(**** DUPLICATE of Susanto's code to remove ASCII armouring from names in proof files ****)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    95
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    96
(*original file: Isabelle_ext.sml*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    97
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    98
val A_min_spc = Char.ord #"A" - Char.ord #" ";
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
    99
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   100
fun cList2int chs = getOpt (Int.fromString (String.implode (rev chs)), 0);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   101
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   102
(*why such a tiny range?*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   103
fun check_valid_int x =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   104
  let val val_x = cList2int x
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   105
  in (length x = 3) andalso (val_x >= 123) andalso (val_x <= 126)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   106
  end;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   107
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   108
fun normalise_s s [] st_ sti =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   109
      String.implode(rev(
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   110
        if st_
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   111
        then if null sti
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   112
             then (#"_" :: s)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   113
             else if check_valid_int sti
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   114
                  then (Char.chr (cList2int sti) :: s)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   115
                  else (sti @ (#"_" :: s))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   116
        else s))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   117
  | normalise_s s (#"_"::cs) st_ sti =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   118
      if st_
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   119
      then let val s' = if null sti
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   120
                        then (#"_"::s)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   121
                        else if check_valid_int sti
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   122
                             then (Char.chr (cList2int sti) :: s)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   123
                             else (sti @ (#"_" :: s))
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   124
           in normalise_s s' cs false []
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   125
           end
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   126
      else normalise_s s cs true []
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   127
  | normalise_s s (c::cs) true sti =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   128
      if (Char.isDigit c)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   129
      then normalise_s s cs true (c::sti)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   130
      else let val s' = if null sti
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   131
                        then if ((c >= #"A") andalso (c<= #"P"))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   132
                             then ((Char.chr(Char.ord c - A_min_spc))::s)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   133
                             else (c :: (#"_" :: s))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   134
                        else if check_valid_int sti
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   135
                             then (Char.chr (cList2int sti) :: s)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   136
                             else (sti @ (#"_" :: s))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   137
           in normalise_s s' cs false []
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   138
           end
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   139
  | normalise_s s (c::cs) _ _ = normalise_s (c::s) cs false [];
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   140
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   141
(*This version does not look for standard prefixes first.*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   142
fun normalise_string s = normalise_s [] (String.explode s) false [];
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   143
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   144
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   145
(**** INTERPRETATION OF TSTP SYNTAX TREES ****)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   146
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   147
exception STREE of stree;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   148
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   149
(*If string s has the prefix s1, return the result of deleting it.*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   150
fun strip_prefix s1 s =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   151
  if String.isPrefix s1 s then SOME (normalise_string (String.extract (s, size s1, NONE)))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   152
  else NONE;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   153
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   154
(*Invert the table of translations between Isabelle and ATPs*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   155
val type_const_trans_table_inv =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   156
      Symtab.make (map swap (Symtab.dest ResClause.type_const_trans_table));
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   157
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   158
fun invert_type_const c =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   159
    case Symtab.lookup type_const_trans_table_inv c of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   160
        SOME c' => c'
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   161
      | NONE => c;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   162
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   163
fun make_tvar b = TVar(("'" ^ b, 0), HOLogic.typeS);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   164
fun make_var (b,T) = Var((b,0),T);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   165
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   166
(*Type variables are given the basic sort, HOL.type. Some will later be constrained
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   167
  by information from type literals, or by type inference.*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   168
fun type_of_stree t =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   169
  case t of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   170
      Int _ => raise STREE t
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   171
    | Br (a,ts) =>
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   172
        let val Ts = map type_of_stree ts
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   173
        in
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   174
          case strip_prefix ResClause.tconst_prefix a of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   175
              SOME b => Type(invert_type_const b, Ts)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   176
            | NONE =>
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   177
                if not (null ts) then raise STREE t  (*only tconsts have type arguments*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   178
                else
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   179
                case strip_prefix ResClause.tfree_prefix a of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   180
                    SOME b => TFree("'" ^ b, HOLogic.typeS)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   181
                  | NONE =>
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   182
                case strip_prefix ResClause.tvar_prefix a of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   183
                    SOME b => make_tvar b
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   184
                  | NONE => make_tvar a   (*Variable from the ATP, say X1*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   185
        end;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   186
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   187
(*Invert the table of translations between Isabelle and ATPs*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   188
val const_trans_table_inv =
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   189
      Symtab.update ("fequal", "op =")
22731
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   190
        (Symtab.make (map swap (Symtab.dest ResClause.const_trans_table)));
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   191
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   192
fun invert_const c =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   193
    case Symtab.lookup const_trans_table_inv c of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   194
        SOME c' => c'
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   195
      | NONE => c;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   196
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   197
(*The number of type arguments of a constant, zero if it's monomorphic*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   198
fun num_typargs thy s = length (Sign.const_typargs thy (s, Sign.the_const_type thy s));
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   199
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   200
(*Generates a constant, given its type arguments*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   201
fun const_of thy (a,Ts) = Const(a, Sign.const_instance thy (a,Ts));
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   202
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   203
(*First-order translation. No types are known for variables. HOLogic.typeT should allow
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   204
  them to be inferred.*)
22428
1755e6381b2c First stab at reconstructing HO problems
paulson
parents: 22372
diff changeset
   205
fun term_of_stree args thy t =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   206
  case t of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   207
      Int _ => raise STREE t
22428
1755e6381b2c First stab at reconstructing HO problems
paulson
parents: 22372
diff changeset
   208
    | Br ("hBOOL",[t]) => term_of_stree [] thy t  (*ignore hBOOL*)
1755e6381b2c First stab at reconstructing HO problems
paulson
parents: 22372
diff changeset
   209
    | Br ("hAPP",[t,u]) => term_of_stree (u::args) thy t
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   210
    | Br (a,ts) =>
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   211
        case strip_prefix ResClause.const_prefix a of
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   212
            SOME "equal" =>
22731
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   213
              list_comb(Const ("op =", HOLogic.typeT), List.map (term_of_stree [] thy) ts)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   214
          | SOME b =>
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   215
              let val c = invert_const b
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   216
                  val nterms = length ts - num_typargs thy c
22428
1755e6381b2c First stab at reconstructing HO problems
paulson
parents: 22372
diff changeset
   217
                  val us = List.map (term_of_stree [] thy) (List.take(ts,nterms) @ args)
1755e6381b2c First stab at reconstructing HO problems
paulson
parents: 22372
diff changeset
   218
                  (*Extra args from hAPP come AFTER any arguments given directly to the
1755e6381b2c First stab at reconstructing HO problems
paulson
parents: 22372
diff changeset
   219
                    constant.*)
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   220
                  val Ts = List.map type_of_stree (List.drop(ts,nterms))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   221
              in  list_comb(const_of thy (c, Ts), us)  end
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   222
          | NONE => (*a variable, not a constant*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   223
              let val T = HOLogic.typeT
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   224
                  val opr = (*a Free variable is typically a Skolem function*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   225
                    case strip_prefix ResClause.fixed_var_prefix a of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   226
                        SOME b => Free(b,T)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   227
                      | NONE =>
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   228
                    case strip_prefix ResClause.schematic_var_prefix a of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   229
                        SOME b => make_var (b,T)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   230
                      | NONE => make_var (a,T)    (*Variable from the ATP, say X1*)
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   231
              in  list_comb (opr, List.map (term_of_stree [] thy) (ts@args))  end;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   232
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   233
(*Type class literal applied to a type. Returns triple of polarity, class, type.*)
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   234
fun constraint_of_stree pol (Br("c_Not",[t])) = constraint_of_stree (not pol) t
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   235
  | constraint_of_stree pol t = case t of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   236
        Int _ => raise STREE t
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   237
      | Br (a,ts) =>
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   238
            (case (strip_prefix ResClause.class_prefix a, map type_of_stree ts) of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   239
                 (SOME b, [T]) => (pol, b, T)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   240
               | _ => raise STREE t);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   241
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   242
(** Accumulate type constraints in a clause: negative type literals **)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   243
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   244
fun addix (key,z)  = Vartab.map_default (key,[]) (cons z);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   245
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   246
fun add_constraint ((false, cl, TFree(a,_)), vt) = addix ((a,~1),cl) vt
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   247
  | add_constraint ((false, cl, TVar(ix,_)), vt) = addix (ix,cl) vt
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   248
  | add_constraint (_, vt) = vt;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   249
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   250
(*False literals (which E includes in its proofs) are deleted*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   251
val nofalses = filter (not o equal HOLogic.false_const);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   252
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   253
(*Final treatment of the list of "real" literals from a clause.*)
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   254
fun finish [] = HOLogic.true_const  (*No "real" literals means only type information*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   255
  | finish lits =
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   256
      case nofalses lits of
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   257
          [] => HOLogic.false_const  (*The empty clause, since we started with real literals*)
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   258
        | xs => foldr1 HOLogic.mk_disj (rev xs);
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   259
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   260
(*Accumulate sort constraints in vt, with "real" literals in lits.*)
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   261
fun lits_of_strees ctxt (vt, lits) [] = (vt, finish lits)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   262
  | lits_of_strees ctxt (vt, lits) (t::ts) =
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   263
      lits_of_strees ctxt (add_constraint (constraint_of_stree true t, vt), lits) ts
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   264
      handle STREE _ =>
22428
1755e6381b2c First stab at reconstructing HO problems
paulson
parents: 22372
diff changeset
   265
      lits_of_strees ctxt (vt, term_of_stree [] (ProofContext.theory_of ctxt) t :: lits) ts;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   266
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   267
(*Update TVars/TFrees with detected sort constraints.*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   268
fun fix_sorts vt =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   269
  let fun tysubst (Type (a, Ts)) = Type (a, map tysubst Ts)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   270
        | tysubst (TVar (xi, s)) = TVar (xi, getOpt (Vartab.lookup vt xi, s))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   271
        | tysubst (TFree (x, s)) = TFree (x, getOpt (Vartab.lookup vt (x,~1), s))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   272
      fun tmsubst (Const (a, T)) = Const (a, tysubst T)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   273
        | tmsubst (Free (a, T)) = Free (a, tysubst T)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   274
        | tmsubst (Var (xi, T)) = Var (xi, tysubst T)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   275
        | tmsubst (t as Bound _) = t
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   276
        | tmsubst (Abs (a, T, t)) = Abs (a, tysubst T, tmsubst t)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   277
        | tmsubst (t $ u) = tmsubst t $ tmsubst u;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   278
  in fn t => if Vartab.is_empty vt then t else tmsubst t end;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   279
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   280
(*Interpret a list of syntax trees as a clause, given by "real" literals and sort constraints.
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   281
  vt0 holds the initial sort constraints, from the conjecture clauses.*)
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   282
fun clause_of_strees ctxt vt0 ts =
22728
ecbbdf50df2f simplified ProofContext.infer_types(_pats);
wenzelm
parents: 22692
diff changeset
   283
  let val (vt, dt) = lits_of_strees ctxt (vt0,[]) ts in
ecbbdf50df2f simplified ProofContext.infer_types(_pats);
wenzelm
parents: 22692
diff changeset
   284
    singleton (ProofContext.infer_types ctxt) (TypeInfer.constrain (fix_sorts vt dt) HOLogic.boolT)
ecbbdf50df2f simplified ProofContext.infer_types(_pats);
wenzelm
parents: 22692
diff changeset
   285
  end;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   286
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   287
(*Quantification over a list of Vars. FIXME: for term.ML??*)
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   288
fun list_all_var ([], t: term) = t
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   289
  | list_all_var ((v as Var(ix,T)) :: vars, t) =
21979
80e10f181c46 Improvements to proof reconstruction. Now "fixes" is inserted
paulson
parents: 21978
diff changeset
   290
      (all T) $ Abs(string_of_indexname ix, T, abstract_over (v, list_all_var (vars,t)));
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   291
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   292
fun gen_all_vars t = list_all_var (term_vars t, t);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   293
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   294
fun ints_of_stree_aux (Int n, ns) = n::ns
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   295
  | ints_of_stree_aux (Br(_,ts), ns) = foldl ints_of_stree_aux ns ts;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   296
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   297
fun ints_of_stree t = ints_of_stree_aux (t, []);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   298
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   299
fun decode_tstp ctxt vt0 (name, role, ts, annots) =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   300
  let val deps = case annots of NONE => [] | SOME (source,_) => ints_of_stree source
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   301
  in  (name, role, clause_of_strees ctxt vt0 ts, deps)  end;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   302
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   303
fun dest_tstp ((((name, role), ts), annots), chs) =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   304
  case chs of
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   305
          "."::_ => (name, role, ts, annots)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   306
        | _ => error ("TSTP line not terminated by \".\": " ^ implode chs);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   307
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   308
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   309
(** Global sort constraints on TFrees (from tfree_tcs) are positive unit clauses. **)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   310
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   311
fun add_tfree_constraint ((true, cl, TFree(a,_)), vt) = addix ((a,~1),cl) vt
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   312
  | add_tfree_constraint (_, vt) = vt;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   313
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   314
fun tfree_constraints_of_clauses vt [] = vt
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   315
  | tfree_constraints_of_clauses vt ([lit]::tss) =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   316
      (tfree_constraints_of_clauses (add_tfree_constraint (constraint_of_stree true lit, vt)) tss
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   317
       handle STREE _ => (*not a positive type constraint: ignore*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   318
       tfree_constraints_of_clauses vt tss)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   319
  | tfree_constraints_of_clauses vt (_::tss) = tfree_constraints_of_clauses vt tss;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   320
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   321
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   322
(**** Translation of TSTP files to Isar Proofs ****)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   323
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   324
fun decode_tstp_list ctxt tuples =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   325
  let val vt0 = tfree_constraints_of_clauses Vartab.empty (map #3 tuples)
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   326
  in  map (decode_tstp ctxt vt0) tuples  end;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   327
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   328
(*FIXME: simmilar function in res_atp. Move to HOLogic?*)
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   329
fun dest_disj_aux (Const ("op |", _) $ t $ t') disjs = dest_disj_aux t (dest_disj_aux t' disjs)
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   330
  | dest_disj_aux t disjs = t::disjs;
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   331
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   332
fun dest_disj t = dest_disj_aux t [];
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   333
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   334
(** Finding a matching assumption. The literals may be permuted, and variable names
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   335
    may disagree. We have to try all combinations of literals (quadratic!) and 
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   336
    match up the variable names consistently. **)
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   337
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   338
fun strip_alls_aux n (Const("all",_)$Abs(a,T,t))  =  
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   339
      strip_alls_aux (n+1) (subst_bound (Var ((a,n), T), t))
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   340
  | strip_alls_aux _ t  =  t;
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   341
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   342
val strip_alls = strip_alls_aux 0;
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   343
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   344
exception MATCH_LITERAL;
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   345
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   346
(*Ignore types: they are not to be trusted...*)
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   347
fun match_literal (t1$u1) (t2$u2) env =
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   348
      match_literal t1 t2 (match_literal u1 u2 env)
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   349
  | match_literal (Abs (_,_,t1)) (Abs (_,_,t2)) env = 
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   350
      match_literal t1 t2 env
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   351
  | match_literal (Bound i1) (Bound i2) env = 
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   352
      if i1=i2 then env else raise MATCH_LITERAL
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   353
  | match_literal (Const(a1,_)) (Const(a2,_)) env = 
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   354
      if a1=a2 then env else raise MATCH_LITERAL
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   355
  | match_literal (Free(a1,_)) (Free(a2,_)) env = 
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   356
      if a1=a2 then env else raise MATCH_LITERAL
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   357
  | match_literal (Var(ix1,_)) (Var(ix2,_)) env = insert (op =) (ix1,ix2) env
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   358
  | match_literal _ _ env = raise MATCH_LITERAL;
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   359
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   360
(*Checking that all variable associations are unique. The list env contains no
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   361
  repetitions, but does it contain say (x,y) and (y,y)? *)
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   362
fun good env = 
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   363
  let val (xs,ys) = ListPair.unzip env
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   364
  in  not (has_duplicates (op=) xs orelse has_duplicates (op=) ys)  end;
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   365
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   366
(*Match one list of literals against another, ignoring types and the order of
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   367
  literals. Sorting is unreliable because we don't have types or variable names.*)
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   368
fun matches_aux _ [] [] = true
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   369
  | matches_aux env (lit::lits) ts =
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   370
      let fun match1 us [] = false
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   371
            | match1 us (t::ts) =
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   372
                let val env' = match_literal lit t env
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   373
                in  (good env' andalso matches_aux env' lits (us@ts)) orelse 
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   374
                    match1 (t::us) ts  
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   375
                end
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   376
                handle MATCH_LITERAL => match1 (t::us) ts
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   377
      in  match1 [] ts  end; 
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   378
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   379
(*Is this length test useful?*)
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   380
fun matches (lits1,lits2) = 
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   381
  length lits1 = length lits2  andalso  
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   382
  matches_aux [] (map Envir.eta_contract lits1) (map Envir.eta_contract lits2);
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   383
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   384
fun permuted_clause t =
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   385
  let val lits = dest_disj t
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   386
      fun perm [] = NONE
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   387
        | perm (ctm::ctms) =
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   388
            if matches (lits, dest_disj (HOLogic.dest_Trueprop (strip_alls ctm)))
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   389
            then SOME ctm else perm ctms
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   390
  in perm end;
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   391
22470
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   392
fun have_or_show "show " lname = "show \""
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   393
  | have_or_show have lname = have ^ lname ^ ": \""
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   394
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   395
(*ctms is a list of conjecture clauses as yielded by Isabelle. Those returned by the
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   396
  ATP may have their literals reordered.*)
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   397
fun isar_lines ctxt ctms =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   398
  let val string_of = ProofContext.string_of_term ctxt
22470
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   399
      fun doline have (lname, t, []) =  (*No deps: it's a conjecture clause, with no proof.*)
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   400
           (case permuted_clause t ctms of
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   401
                SOME u => "assume " ^ lname ^ ": \"" ^ string_of u ^ "\"\n"
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   402
              | NONE => "assume? " ^ lname ^ ": \"" ^ string_of t ^ "\"\n")  (*no match!!*)
22470
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   403
        | doline have (lname, t, deps) =
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   404
            have_or_show have lname ^ string_of (gen_all_vars (HOLogic.mk_Trueprop t)) ^
22372
02fc0ceb094a Now outputs metis calls
paulson
parents: 22130
diff changeset
   405
            "\"\n  by (metis " ^ space_implode " " deps ^ ")\n"
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   406
      fun dolines [(lname, t, deps)] = [doline "show " (lname, t, deps)]
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   407
        | dolines ((lname, t, deps)::lines) = doline "have " (lname, t, deps) :: dolines lines
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   408
  in setmp show_sorts (!recon_sorts) dolines end;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   409
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   410
fun notequal t (_,t',_) = not (t aconv t');
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   411
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   412
(*No "real" literals means only type information*)
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   413
fun eq_types t = t aconv HOLogic.true_const;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   414
22731
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   415
fun replace_dep (old:int, new) dep = if dep=old then new else [dep];
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   416
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   417
fun replace_deps (old:int, new) (lno, t, deps) =
22731
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   418
      (lno, t, foldl (op union_int) [] (map (replace_dep (old, new)) deps));
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   419
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   420
(*Discard axioms; consolidate adjacent lines that prove the same clause, since they differ
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   421
  only in type information.*)
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   422
fun add_prfline ((lno, "axiom", t, []), lines) =  (*axioms are not proof lines*)
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   423
      if eq_types t (*must be clsrel/clsarity: type information, so delete refs to it*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   424
      then map (replace_deps (lno, [])) lines
22470
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   425
      else
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   426
       (case take_prefix (notequal t) lines of
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   427
           (_,[]) => lines                  (*no repetition of proof line*)
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   428
         | (pre, (lno',t',deps')::post) =>  (*repetition: replace later line by earlier one*)
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   429
             pre @ map (replace_deps (lno', [lno])) post)
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   430
  | add_prfline ((lno, role, t, []), lines) =  (*no deps: conjecture clause*)
22470
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   431
      (lno, t, []) :: lines
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   432
  | add_prfline ((lno, role, t, deps), lines) =
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   433
      if eq_types t then (lno, t, deps) :: lines
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   434
      (*Type information will be deleted later; skip repetition test.*)
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   435
      else (*FIXME: Doesn't this code risk conflating proofs involving different types??*)
22044
6c0702a96076 More compact proof reconstruction: lines having fewer than !min_deps dependences are folded
paulson
parents: 22012
diff changeset
   436
      case take_prefix (notequal t) lines of
6c0702a96076 More compact proof reconstruction: lines having fewer than !min_deps dependences are folded
paulson
parents: 22012
diff changeset
   437
         (_,[]) => (lno, t, deps) :: lines  (*no repetition of proof line*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   438
       | (pre, (lno',t',deps')::post) =>
22044
6c0702a96076 More compact proof reconstruction: lines having fewer than !min_deps dependences are folded
paulson
parents: 22012
diff changeset
   439
           (lno, t', deps) ::               (*repetition: replace later line by earlier one*)
6c0702a96076 More compact proof reconstruction: lines having fewer than !min_deps dependences are folded
paulson
parents: 22012
diff changeset
   440
           (pre @ map (replace_deps (lno', [lno])) post);
6c0702a96076 More compact proof reconstruction: lines having fewer than !min_deps dependences are folded
paulson
parents: 22012
diff changeset
   441
22470
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   442
(*Recursively delete empty lines (type information) from the proof.*)
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   443
fun add_nonnull_prfline ((lno, t, []), lines) = (*no dependencies, so a conjecture clause*)
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   444
     if eq_types t (*must be type information, tfree_tcs, clsrel, clsarity: delete refs to it*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   445
     then delete_dep lno lines
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   446
     else (lno, t, []) :: lines
22470
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   447
  | add_nonnull_prfline ((lno, t, deps), lines) = (lno, t, deps) :: lines
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   448
and delete_dep lno lines = foldr add_nonnull_prfline [] (map (replace_deps (lno, [])) lines);
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   449
22731
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   450
fun bad_free (Free (a,_)) = String.isPrefix "llabs_" a orelse String.isPrefix "sko_" a
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   451
  | bad_free _ = false;
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   452
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   453
(*TVars are forbidden in goals. Also, we don't want lines with <2 dependencies.
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   454
  To further compress proofs, setting modulus:=n deletes every nth line, and nlines
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   455
  counts the number of proof lines processed so far.
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   456
  Deleted lines are replaced by their own dependencies. Note that the "add_nonnull_prfline"
22044
6c0702a96076 More compact proof reconstruction: lines having fewer than !min_deps dependences are folded
paulson
parents: 22012
diff changeset
   457
  phase may delete some dependencies, hence this phase comes later.*)
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   458
fun add_wanted_prfline ((lno, t, []), (nlines, lines)) =
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   459
      (nlines, (lno, t, []) :: lines)   (*conjecture clauses must be kept*)
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   460
  | add_wanted_prfline (line, (nlines, [])) = (nlines, [line])   (*final line must be kept*)
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   461
  | add_wanted_prfline ((lno, t, deps), (nlines, lines)) =
22545
bd72c625c930 Now checks for types-only clause before outputting.
paulson
parents: 22491
diff changeset
   462
      if eq_types t orelse not (null (term_tvars t)) orelse
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   463
         length deps < 2 orelse nlines mod !modulus <> 0 orelse
22731
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   464
         exists bad_free (term_frees t)
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   465
      then (nlines+1, map (replace_deps (lno, deps)) lines) (*Delete line*)
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   466
      else (nlines+1, (lno, t, deps) :: lines);
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   467
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   468
(*Replace numeric proof lines by strings, either from thm_names or sequential line numbers*)
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   469
fun stringify_deps thm_names deps_map [] = []
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   470
  | stringify_deps thm_names deps_map ((lno, t, deps) :: lines) =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   471
      if lno <= Vector.length thm_names  (*axiom*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   472
      then (Vector.sub(thm_names,lno-1), t, []) :: stringify_deps thm_names deps_map lines
21979
80e10f181c46 Improvements to proof reconstruction. Now "fixes" is inserted
paulson
parents: 21978
diff changeset
   473
      else let val lname = Int.toString (length deps_map)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   474
               fun fix lno = if lno <= Vector.length thm_names
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   475
                             then SOME(Vector.sub(thm_names,lno-1))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   476
                             else AList.lookup op= deps_map lno;
22731
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   477
           in  (lname, t, List.mapPartial fix (distinct (op=) deps)) ::
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   478
               stringify_deps thm_names ((lno,lname)::deps_map) lines
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   479
           end;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   480
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   481
val proofstart = "\nproof (neg_clausify)\n";
21979
80e10f181c46 Improvements to proof reconstruction. Now "fixes" is inserted
paulson
parents: 21978
diff changeset
   482
80e10f181c46 Improvements to proof reconstruction. Now "fixes" is inserted
paulson
parents: 21978
diff changeset
   483
fun isar_header [] = proofstart
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   484
  | isar_header ts = proofstart ^ "fix " ^ space_implode " " ts ^ "\n";
21979
80e10f181c46 Improvements to proof reconstruction. Now "fixes" is inserted
paulson
parents: 21978
diff changeset
   485
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   486
fun decode_tstp_file cnfs ctxt th sgno thm_names =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   487
  let val tuples = map (dest_tstp o tstp_line o explode) cnfs
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   488
      val nonnull_lines =
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   489
              foldr add_nonnull_prfline []
22491
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   490
                    (foldr add_prfline [] (decode_tstp_list ctxt tuples))
535fbed859da Numerous bug fixes. Type clauses distinguished from empty clauses. Working proof reduction.
paulson
parents: 22470
diff changeset
   491
      val (_,lines) = foldr add_wanted_prfline (0,[]) nonnull_lines
21999
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   492
      val (ccls,fixes) = ResAxioms.neg_conjecture_clauses th sgno
0cf192e489e2 improvements to proof reconstruction. Some files loaded in a different order
paulson
parents: 21979
diff changeset
   493
      val ccls = map forall_intr_vars ccls
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   494
  in
22130
0906fd95e0b5 Output.debug: non-strict;
wenzelm
parents: 22044
diff changeset
   495
    app (fn th => Output.debug (fn () => string_of_thm th)) ccls;
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   496
    isar_header (map #1 fixes) ^
22130
0906fd95e0b5 Output.debug: non-strict;
wenzelm
parents: 22044
diff changeset
   497
    String.concat (isar_lines ctxt (map prop_of ccls) (stringify_deps thm_names [] lines))
21979
80e10f181c46 Improvements to proof reconstruction. Now "fixes" is inserted
paulson
parents: 21978
diff changeset
   498
  end;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   499
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   500
(*Could use split_lines, but it can return blank lines...*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   501
val lines = String.tokens (equal #"\n");
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   502
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   503
val nospaces = String.translate (fn c => if Char.isSpace c then "" else str c);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   504
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   505
val txt_path = Path.ext "txt" o Path.explode o nospaces;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   506
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   507
fun signal_success probfile toParent ppid msg =
23519
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   508
  let val _ = trace ("\nReporting Success for " ^ probfile ^ "\n" ^ msg)
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   509
  in
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   510
    (*We write the proof to a file because sending very long lines may fail...*)
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   511
    File.write (txt_path probfile) msg;
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   512
    TextIO.output (toParent, "Success.\n");
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   513
    TextIO.output (toParent, probfile ^ "\n");
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   514
    TextIO.flushOut toParent;
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   515
    Posix.Process.kill(Posix.Process.K_PROC ppid, Posix.Signal.usr2)
a4ffa756d8eb bug fixes to proof reconstruction
paulson
parents: 23139
diff changeset
   516
  end;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   517
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   518
fun tstp_extract proofextract probfile toParent ppid ctxt th sgno thm_names =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   519
  let val cnfs = filter (String.isPrefix "cnf(") (map nospaces (lines proofextract))
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   520
  in
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   521
    signal_success probfile toParent ppid
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   522
      (decode_tstp_file cnfs ctxt th sgno thm_names)
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   523
  end;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   524
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   525
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   526
(**** retrieve the axioms that were used in the proof ****)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   527
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   528
(*Get names of axioms used. Axioms are indexed from 1, while the vector is indexed from 0*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   529
fun get_axiom_names (thm_names: string vector) step_nums =
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   530
    let fun is_axiom n = n <= Vector.length thm_names
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   531
        fun index i = Vector.sub(thm_names, i-1)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   532
        val axnums = List.filter is_axiom step_nums
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   533
        val axnames = sort_distinct string_ord (map index axnums)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   534
    in
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   535
	if length axnums = length step_nums then "UNSOUND!!" :: axnames
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   536
	else axnames
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   537
    end
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   538
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   539
 (*String contains multiple lines. We want those of the form
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   540
     "253[0:Inp] et cetera..."
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   541
  A list consisting of the first number in each line is returned. *)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   542
fun get_spass_linenums proofstr =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   543
  let val toks = String.tokens (not o Char.isAlphaNum)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   544
      fun inputno (ntok::"0"::"Inp"::_) = Int.fromString ntok
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   545
        | inputno _ = NONE
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   546
      val lines = String.tokens (fn c => c = #"\n") proofstr
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   547
  in  List.mapPartial (inputno o toks) lines  end
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   548
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   549
fun get_axiom_names_spass proofstr thm_names =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   550
   get_axiom_names thm_names (get_spass_linenums proofstr);
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   551
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   552
fun not_comma c = c <>  #",";
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   553
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   554
(*A valid TSTP axiom line has the form  cnf(NNN,axiom,...) where NNN is a positive integer.*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   555
fun parse_tstp_line s =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   556
  let val ss = Substring.full (unprefix "cnf(" (nospaces s))
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   557
      val (intf,rest) = Substring.splitl not_comma ss
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   558
      val (rolef,rest) = Substring.splitl not_comma (Substring.triml 1 rest)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   559
      (*We only allow negated_conjecture because the line number will be removed in
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   560
        get_axiom_names above, while suppressing the UNSOUND warning*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   561
      val ints = if Substring.string rolef mem_string ["axiom","negated_conjecture"]
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   562
                 then Substring.string intf
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   563
                 else "error"
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   564
  in  Int.fromString ints  end
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   565
  handle Fail _ => NONE;
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   566
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   567
fun get_axiom_names_tstp proofstr thm_names =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   568
   get_axiom_names thm_names (List.mapPartial parse_tstp_line (split_lines proofstr));
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   569
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   570
 (*String contains multiple lines. We want those of the form
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   571
     "*********** [448, input] ***********".
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   572
  A list consisting of the first number in each line is returned. *)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   573
fun get_vamp_linenums proofstr =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   574
  let val toks = String.tokens (not o Char.isAlphaNum)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   575
      fun inputno [ntok,"input"] = Int.fromString ntok
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   576
        | inputno _ = NONE
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   577
      val lines = String.tokens (fn c => c = #"\n") proofstr
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   578
  in  List.mapPartial (inputno o toks) lines  end
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   579
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   580
fun get_axiom_names_vamp proofstr thm_names =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   581
   get_axiom_names thm_names (get_vamp_linenums proofstr);
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   582
22372
02fc0ceb094a Now outputs metis calls
paulson
parents: 22130
diff changeset
   583
fun rules_to_metis [] = "metis"
22470
0d52e5157124 No label on "show"; tries to remove dependencies more cleanly
paulson
parents: 22428
diff changeset
   584
  | rules_to_metis xs = "(metis " ^ space_implode " " xs ^ ")"
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   585
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   586
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   587
(*The signal handler in watcher.ML must be able to read the output of this.*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   588
fun prover_lemma_list_aux getax proofstr probfile toParent ppid thm_names =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   589
 (trace ("\n\nGetting lemma names. proofstr is " ^ proofstr ^
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   590
         " num of clauses is " ^ string_of_int (Vector.length thm_names));
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   591
  signal_success probfile toParent ppid
22731
abfdccaed085 trying to make single-step proofs work better, especially if they contain
paulson
parents: 22728
diff changeset
   592
    ("Try this command: \n  apply " ^ rules_to_metis (getax proofstr thm_names))
22372
02fc0ceb094a Now outputs metis calls
paulson
parents: 22130
diff changeset
   593
 )
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   594
 handle e => (*FIXME: exn handler is too general!*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   595
  (trace ("\nprover_lemma_list_aux: In exception handler: " ^ Toplevel.exn_message e);
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   596
   TextIO.output (toParent, "Translation failed for the proof: " ^
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   597
                  String.toString proofstr ^ "\n");
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   598
   TextIO.output (toParent, probfile);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   599
   TextIO.flushOut toParent;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   600
   Posix.Process.kill(Posix.Process.K_PROC ppid, Posix.Signal.usr2));
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   601
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   602
val e_lemma_list = prover_lemma_list_aux get_axiom_names_tstp;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   603
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   604
val vamp_lemma_list = prover_lemma_list_aux get_axiom_names_vamp;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   605
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   606
val spass_lemma_list = prover_lemma_list_aux get_axiom_names_spass;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   607
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   608
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   609
(**** Extracting proofs from an ATP's output ****)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   610
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   611
(*Return everything in s that comes before the string t*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   612
fun cut_before t s =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   613
  let val (s1,s2) = Substring.position t (Substring.full s)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   614
  in  if Substring.size s2 = 0 then error "cut_before: string not found"
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   615
      else Substring.string s2
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   616
  end;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   617
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   618
val start_E = "# Proof object starts here."
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   619
val end_E   = "# Proof object ends here."
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   620
val start_V6 = "%================== Proof: ======================"
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   621
val end_V6   = "%==============  End of proof. =================="
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   622
val start_V8 = "=========== Refutation =========="
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   623
val end_V8 = "======= End of refutation ======="
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   624
val end_SPASS = "Formulae used in the proof"
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   625
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   626
(*********************************************************************************)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   627
(*  Inspect the output of an ATP process to see if it has found a proof,     *)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   628
(*  and if so, transfer output to the input pipe of the main Isabelle process    *)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   629
(*********************************************************************************)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   630
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   631
(*Returns "true" if it successfully returns a lemma list, otherwise "false", but this
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   632
  return value is currently never used!*)
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   633
fun startTransfer endS (fromChild, toParent, ppid, probfile, ctxt, th, sgno, thm_names) =
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   634
 let fun transferInput currentString =
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   635
      (case TextIO.inputLine fromChild of
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   636
        NONE =>  (*end of file?*)
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   637
	  (trace ("\n extraction_failed.  End bracket: " ^ endS ^
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   638
	          "\naccumulated text: " ^ currentString);
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   639
	   false)
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   640
      | SOME thisLine =>
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   641
	if String.isPrefix endS thisLine
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   642
	then let val proofextract = currentString ^ cut_before endS thisLine
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   643
	         val lemma_list = if endS = end_V8 then vamp_lemma_list
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   644
			  	  else if endS = end_SPASS then spass_lemma_list
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   645
			  	  else e_lemma_list
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   646
	     in
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   647
	       trace ("\nExtracted proof:\n" ^ proofextract);
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   648
	       if !full andalso String.isPrefix "cnf(" proofextract
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   649
	       then tstp_extract proofextract probfile toParent ppid ctxt th sgno thm_names
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   650
	       else lemma_list proofextract probfile toParent ppid thm_names;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   651
	       true
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   652
	     end
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   653
	else transferInput (currentString^thisLine))
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   654
 in
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   655
     transferInput ""
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   656
 end
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   657
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   658
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   659
(*The signal handler in watcher.ML must be able to read the output of this.*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   660
fun signal_parent (toParent, ppid, msg, probfile) =
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   661
 (TextIO.output (toParent, msg);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   662
  TextIO.output (toParent, probfile ^ "\n");
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   663
  TextIO.flushOut toParent;
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   664
  trace ("\nSignalled parent: " ^ msg ^ probfile);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   665
  Posix.Process.kill(Posix.Process.K_PROC ppid, Posix.Signal.usr2);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   666
  (*Give the parent time to respond before possibly sending another signal*)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   667
  OS.Process.sleep (Time.fromMilliseconds 600));
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   668
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   669
(*FIXME: once TSTP output is produced by all ATPs, these three functions can be combined.*)
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   670
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   671
(*Called from watcher. Returns true if the Vampire process has returned a verdict.*)
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   672
fun checkVampProofFound (arg as (fromChild, toParent, ppid, probfile, ctxt, th, sgno, thm_names)) =
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   673
  (case TextIO.inputLine fromChild of
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   674
    NONE => (trace "\nNo proof output seen"; false)
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   675
  | SOME thisLine =>
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   676
     if String.isPrefix start_V8 thisLine
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   677
     then startTransfer end_V8 arg
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   678
     else if (String.isPrefix "Satisfiability detected" thisLine) orelse
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   679
             (String.isPrefix "Refutation not found" thisLine)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   680
     then (signal_parent (toParent, ppid, "Failure\n", probfile);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   681
	   true)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   682
     else checkVampProofFound arg);
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   683
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   684
(*Called from watcher. Returns true if the E process has returned a verdict.*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   685
fun checkEProofFound (arg as (fromChild, toParent, ppid, probfile, ctxt, th, sgno, thm_names)) =
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   686
  (case TextIO.inputLine fromChild of
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   687
    NONE => (trace "\nNo proof output seen"; false)
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   688
  | SOME thisLine =>
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   689
     if String.isPrefix start_E thisLine
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   690
     then startTransfer end_E arg
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   691
     else if String.isPrefix "# Problem is satisfiable" thisLine
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   692
     then (signal_parent (toParent, ppid, "Invalid\n", probfile);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   693
	   true)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   694
     else if String.isPrefix "# Cannot determine problem status within resource limit" thisLine
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   695
     then (signal_parent (toParent, ppid, "Failure\n", probfile);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   696
	   true)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   697
     else checkEProofFound arg);
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   698
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   699
(*Called from watcher. Returns true if the SPASS process has returned a verdict.*)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   700
fun checkSpassProofFound (arg as (fromChild, toParent, ppid, probfile, ctxt, th, sgno, thm_names)) =
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   701
  (case TextIO.inputLine fromChild of
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   702
    NONE => (trace "\nNo proof output seen"; false)
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   703
  | SOME thisLine =>
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   704
     if String.isPrefix "Here is a proof" thisLine
22012
adf68479ae1b Proof.context now sent to watcher and used in type inference step of proof reconstruction
paulson
parents: 21999
diff changeset
   705
     then startTransfer end_SPASS arg
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   706
     else if thisLine = "SPASS beiseite: Completion found.\n"
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   707
     then (signal_parent (toParent, ppid, "Invalid\n", probfile);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   708
	   true)
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   709
     else if thisLine = "SPASS beiseite: Ran out of time.\n" orelse
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   710
             thisLine = "SPASS beiseite: Maximal number of loops exceeded.\n"
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   711
     then (signal_parent (toParent, ppid, "Failure\n", probfile);
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   712
	   true)
23139
aa899bce7c3b TextIO.inputLine: use present SML B library version;
wenzelm
parents: 23083
diff changeset
   713
    else checkSpassProofFound arg);
21978
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   714
72c21698a055 Contains old Tools/ATP/AtpCommunication.ML, plus proof reconstruction
paulson
parents:
diff changeset
   715
end;