TSTP Solution File: SWC381-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SWC381-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n019.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Sep 20 11:57:33 EDT 2022

% Result   : Unsatisfiable 0.21s 0.45s
% Output   : Proof 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   34
% Syntax   : Number of formulae    :   66 (  11 unt;  10 typ;   0 def)
%            Number of atoms       :  306 (  63 equ)
%            Maximal formula atoms :   12 (   5 avg)
%            Number of connectives :  412 ( 206   ~; 159   |;   0   &)
%                                         (  47 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of FOOLs       :   44 (  44 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    7 (   4   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :   14 (  11 usr;   2 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   25 (  21   !;   0   ?;  25   :)

% Comments : 
%------------------------------------------------------------------------------
tff(memberP_type,type,
    memberP: ( $i * $i ) > $o ).

tff(sk5_type,type,
    sk5: $i ).

tff(sk4_type,type,
    sk4: $i ).

tff(neq_type,type,
    neq: ( $i * $i ) > $o ).

tff(nil_type,type,
    nil: $i ).

tff(sk2_type,type,
    sk2: $i ).

tff(sk3_type,type,
    sk3: $i ).

tff(cons_type,type,
    cons: ( $i * $i ) > $i ).

tff(ssItem_type,type,
    ssItem: $i > $o ).

tff(sk1_type,type,
    sk1: $i ).

tff(1,plain,
    ( ( $false
      | memberP(sk4,sk5) )
  <=> memberP(sk4,sk5) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,plain,
    ( ~ $true
  <=> $false ),
    inference(rewrite,[status(thm)],]) ).

tff(3,plain,
    ( neq(sk2,nil)
  <=> neq(sk4,nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,plain,
    ( neq(sk2,nil)
  <=> neq(sk2,nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(5,plain,
    ( ( neq(sk2,nil)
      | neq(sk2,nil) )
  <=> neq(sk2,nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(6,axiom,
    ( neq(sk2,nil)
    | neq(sk2,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

tff(7,plain,
    neq(sk2,nil),
    inference(modus_ponens,[status(thm)],[6,5]) ).

tff(8,plain,
    neq(sk2,nil),
    inference(modus_ponens,[status(thm)],[7,4]) ).

tff(9,plain,
    neq(sk4,nil),
    inference(modus_ponens,[status(thm)],[8,3]) ).

tff(10,plain,
    ( neq(sk4,nil)
  <=> $true ),
    inference(iff_true,[status(thm)],[9]) ).

tff(11,plain,
    ( ~ neq(sk4,nil)
  <=> ~ $true ),
    inference(monotonicity,[status(thm)],[10]) ).

tff(12,plain,
    ( ~ neq(sk4,nil)
  <=> $false ),
    inference(transitivity,[status(thm)],[11,2]) ).

tff(13,plain,
    ( ( ~ neq(sk4,nil)
      | memberP(sk4,sk5) )
  <=> ( $false
      | memberP(sk4,sk5) ) ),
    inference(monotonicity,[status(thm)],[12]) ).

tff(14,plain,
    ( ( ~ neq(sk4,nil)
      | memberP(sk4,sk5) )
  <=> memberP(sk4,sk5) ),
    inference(transitivity,[status(thm)],[13,1]) ).

tff(15,plain,
    ( ( ~ neq(sk4,nil)
      | memberP(sk4,sk5) )
  <=> ( ~ neq(sk4,nil)
      | memberP(sk4,sk5) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(16,plain,
    ( ( memberP(sk4,sk5)
      | ~ neq(sk4,nil) )
  <=> ( ~ neq(sk4,nil)
      | memberP(sk4,sk5) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(17,axiom,
    ( memberP(sk4,sk5)
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_16) ).

tff(18,plain,
    ( ~ neq(sk4,nil)
    | memberP(sk4,sk5) ),
    inference(modus_ponens,[status(thm)],[17,16]) ).

tff(19,plain,
    ( ~ neq(sk4,nil)
    | memberP(sk4,sk5) ),
    inference(modus_ponens,[status(thm)],[18,15]) ).

tff(20,plain,
    memberP(sk4,sk5),
    inference(modus_ponens,[status(thm)],[19,14]) ).

tff(21,plain,
    ( ( $false
      | ( cons(sk5,nil) = sk3 ) )
  <=> ( cons(sk5,nil) = sk3 ) ),
    inference(rewrite,[status(thm)],]) ).

tff(22,plain,
    ( ( ~ neq(sk4,nil)
      | ( cons(sk5,nil) = sk3 ) )
  <=> ( $false
      | ( cons(sk5,nil) = sk3 ) ) ),
    inference(monotonicity,[status(thm)],[12]) ).

tff(23,plain,
    ( ( ~ neq(sk4,nil)
      | ( cons(sk5,nil) = sk3 ) )
  <=> ( cons(sk5,nil) = sk3 ) ),
    inference(transitivity,[status(thm)],[22,21]) ).

tff(24,plain,
    ( ( ~ neq(sk4,nil)
      | ( cons(sk5,nil) = sk3 ) )
  <=> ( ~ neq(sk4,nil)
      | ( cons(sk5,nil) = sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(25,plain,
    ( ( ( cons(sk5,nil) = sk3 )
      | ~ neq(sk4,nil) )
  <=> ( ~ neq(sk4,nil)
      | ( cons(sk5,nil) = sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(26,axiom,
    ( ( cons(sk5,nil) = sk3 )
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_15) ).

tff(27,plain,
    ( ~ neq(sk4,nil)
    | ( cons(sk5,nil) = sk3 ) ),
    inference(modus_ponens,[status(thm)],[26,25]) ).

tff(28,plain,
    ( ~ neq(sk4,nil)
    | ( cons(sk5,nil) = sk3 ) ),
    inference(modus_ponens,[status(thm)],[27,24]) ).

tff(29,plain,
    cons(sk5,nil) = sk3,
    inference(modus_ponens,[status(thm)],[28,23]) ).

tff(30,plain,
    ( ( ssItem(sk5)
      | $false )
  <=> ssItem(sk5) ),
    inference(rewrite,[status(thm)],]) ).

tff(31,plain,
    ( ( ssItem(sk5)
      | ~ neq(sk4,nil) )
  <=> ( ssItem(sk5)
      | $false ) ),
    inference(monotonicity,[status(thm)],[12]) ).

tff(32,plain,
    ( ( ssItem(sk5)
      | ~ neq(sk4,nil) )
  <=> ssItem(sk5) ),
    inference(transitivity,[status(thm)],[31,30]) ).

tff(33,plain,
    ( ( ssItem(sk5)
      | ~ neq(sk4,nil) )
  <=> ( ssItem(sk5)
      | ~ neq(sk4,nil) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(34,axiom,
    ( ssItem(sk5)
    | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).

tff(35,plain,
    ( ssItem(sk5)
    | ~ neq(sk4,nil) ),
    inference(modus_ponens,[status(thm)],[34,33]) ).

tff(36,plain,
    ssItem(sk5),
    inference(modus_ponens,[status(thm)],[35,32]) ).

tff(37,plain,
    ^ [A: $i] :
      refl(
        ( ( ~ ssItem(A)
          | ( cons(A,nil) != sk3 )
          | ~ memberP(sk4,A) )
      <=> ( ~ ssItem(A)
          | ( cons(A,nil) != sk3 )
          | ~ memberP(sk4,A) ) )),
    inference(bind,[status(th)],]) ).

tff(38,plain,
    ( ! [A: $i] :
        ( ~ ssItem(A)
        | ( cons(A,nil) != sk3 )
        | ~ memberP(sk4,A) )
  <=> ! [A: $i] :
        ( ~ ssItem(A)
        | ( cons(A,nil) != sk3 )
        | ~ memberP(sk4,A) ) ),
    inference(quant_intro,[status(thm)],[37]) ).

tff(39,plain,
    ^ [A: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              iff_true(
                mp(
                  mp(
                    mp(
                      asserted(
                        ( neq(sk2,nil)
                        | neq(sk2,nil) )),
                      rewrite(
                        ( ( neq(sk2,nil)
                          | neq(sk2,nil) )
                      <=> neq(sk2,nil) )),
                      neq(sk2,nil)),
                    rewrite(
                      ( neq(sk2,nil)
                    <=> neq(sk2,nil) )),
                    neq(sk2,nil)),
                  rewrite(
                    ( neq(sk2,nil)
                  <=> neq(sk4,nil) )),
                  neq(sk4,nil)),
                ( neq(sk4,nil)
              <=> $true )),
              ( ~ neq(sk4,nil)
            <=> ~ $true )),
            rewrite(
              ( ~ $true
            <=> $false )),
            ( ~ neq(sk4,nil)
          <=> $false )),
          ( ( ~ ssItem(A)
            | ~ neq(sk4,nil)
            | ( cons(A,nil) != sk3 )
            | ~ memberP(sk4,A) )
        <=> ( ~ ssItem(A)
            | $false
            | ( cons(A,nil) != sk3 )
            | ~ memberP(sk4,A) ) )),
        rewrite(
          ( ( ~ ssItem(A)
            | $false
            | ( cons(A,nil) != sk3 )
            | ~ memberP(sk4,A) )
        <=> ( ~ ssItem(A)
            | ( cons(A,nil) != sk3 )
            | ~ memberP(sk4,A) ) )),
        ( ( ~ ssItem(A)
          | ~ neq(sk4,nil)
          | ( cons(A,nil) != sk3 )
          | ~ memberP(sk4,A) )
      <=> ( ~ ssItem(A)
          | ( cons(A,nil) != sk3 )
          | ~ memberP(sk4,A) ) )),
    inference(bind,[status(th)],]) ).

tff(40,plain,
    ( ! [A: $i] :
        ( ~ ssItem(A)
        | ~ neq(sk4,nil)
        | ( cons(A,nil) != sk3 )
        | ~ memberP(sk4,A) )
  <=> ! [A: $i] :
        ( ~ ssItem(A)
        | ( cons(A,nil) != sk3 )
        | ~ memberP(sk4,A) ) ),
    inference(quant_intro,[status(thm)],[39]) ).

tff(41,plain,
    ^ [A: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( cons(A,nil) != sk1 )
          <=> ( cons(A,nil) != sk3 ) )),
          rewrite(
            ( ~ memberP(sk2,A)
          <=> ~ memberP(sk4,A) )),
          ( ( ~ ssItem(A)
            | ~ neq(sk4,nil)
            | ( cons(A,nil) != sk1 )
            | ~ memberP(sk2,A) )
        <=> ( ~ ssItem(A)
            | ~ neq(sk4,nil)
            | ( cons(A,nil) != sk3 )
            | ~ memberP(sk4,A) ) )),
        rewrite(
          ( ( ~ ssItem(A)
            | ~ neq(sk4,nil)
            | ( cons(A,nil) != sk3 )
            | ~ memberP(sk4,A) )
        <=> ( ~ ssItem(A)
            | ~ neq(sk4,nil)
            | ( cons(A,nil) != sk3 )
            | ~ memberP(sk4,A) ) )),
        ( ( ~ ssItem(A)
          | ~ neq(sk4,nil)
          | ( cons(A,nil) != sk1 )
          | ~ memberP(sk2,A) )
      <=> ( ~ ssItem(A)
          | ~ neq(sk4,nil)
          | ( cons(A,nil) != sk3 )
          | ~ memberP(sk4,A) ) )),
    inference(bind,[status(th)],]) ).

tff(42,plain,
    ( ! [A: $i] :
        ( ~ ssItem(A)
        | ~ neq(sk4,nil)
        | ( cons(A,nil) != sk1 )
        | ~ memberP(sk2,A) )
  <=> ! [A: $i] :
        ( ~ ssItem(A)
        | ~ neq(sk4,nil)
        | ( cons(A,nil) != sk3 )
        | ~ memberP(sk4,A) ) ),
    inference(quant_intro,[status(thm)],[41]) ).

tff(43,plain,
    ( ! [A: $i] :
        ( ~ ssItem(A)
        | ~ neq(sk4,nil)
        | ( cons(A,nil) != sk1 )
        | ~ memberP(sk2,A) )
  <=> ! [A: $i] :
        ( ~ ssItem(A)
        | ~ neq(sk4,nil)
        | ( cons(A,nil) != sk1 )
        | ~ memberP(sk2,A) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(44,plain,
    ^ [A: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ ssItem(A)
              | ( cons(A,nil) != sk1 )
              | ~ memberP(sk2,A) )
          <=> ( ~ ssItem(A)
              | ( cons(A,nil) != sk1 )
              | ~ memberP(sk2,A) ) )),
          ( ( ~ ssItem(A)
            | ( cons(A,nil) != sk1 )
            | ~ memberP(sk2,A)
            | ~ neq(sk4,nil) )
        <=> ( ~ ssItem(A)
            | ( cons(A,nil) != sk1 )
            | ~ memberP(sk2,A)
            | ~ neq(sk4,nil) ) )),
        rewrite(
          ( ( ~ ssItem(A)
            | ( cons(A,nil) != sk1 )
            | ~ memberP(sk2,A)
            | ~ neq(sk4,nil) )
        <=> ( ~ ssItem(A)
            | ~ neq(sk4,nil)
            | ( cons(A,nil) != sk1 )
            | ~ memberP(sk2,A) ) )),
        ( ( ~ ssItem(A)
          | ( cons(A,nil) != sk1 )
          | ~ memberP(sk2,A)
          | ~ neq(sk4,nil) )
      <=> ( ~ ssItem(A)
          | ~ neq(sk4,nil)
          | ( cons(A,nil) != sk1 )
          | ~ memberP(sk2,A) ) )),
    inference(bind,[status(th)],]) ).

tff(45,plain,
    ( ! [A: $i] :
        ( ~ ssItem(A)
        | ( cons(A,nil) != sk1 )
        | ~ memberP(sk2,A)
        | ~ neq(sk4,nil) )
  <=> ! [A: $i] :
        ( ~ ssItem(A)
        | ~ neq(sk4,nil)
        | ( cons(A,nil) != sk1 )
        | ~ memberP(sk2,A) ) ),
    inference(quant_intro,[status(thm)],[44]) ).

tff(46,axiom,
    ! [A: $i] :
      ( ~ ssItem(A)
      | ( cons(A,nil) != sk1 )
      | ~ memberP(sk2,A)
      | ~ neq(sk4,nil) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_13) ).

tff(47,plain,
    ! [A: $i] :
      ( ~ ssItem(A)
      | ~ neq(sk4,nil)
      | ( cons(A,nil) != sk1 )
      | ~ memberP(sk2,A) ),
    inference(modus_ponens,[status(thm)],[46,45]) ).

tff(48,plain,
    ! [A: $i] :
      ( ~ ssItem(A)
      | ~ neq(sk4,nil)
      | ( cons(A,nil) != sk1 )
      | ~ memberP(sk2,A) ),
    inference(modus_ponens,[status(thm)],[47,43]) ).

tff(49,plain,
    ! [A: $i] :
      ( ~ ssItem(A)
      | ~ neq(sk4,nil)
      | ( cons(A,nil) != sk3 )
      | ~ memberP(sk4,A) ),
    inference(modus_ponens,[status(thm)],[48,42]) ).

tff(50,plain,
    ! [A: $i] :
      ( ~ ssItem(A)
      | ( cons(A,nil) != sk3 )
      | ~ memberP(sk4,A) ),
    inference(modus_ponens,[status(thm)],[49,40]) ).

tff(51,plain,
    ! [A: $i] :
      ( ~ ssItem(A)
      | ( cons(A,nil) != sk3 )
      | ~ memberP(sk4,A) ),
    inference(skolemize,[status(sab)],[50]) ).

tff(52,plain,
    ! [A: $i] :
      ( ~ ssItem(A)
      | ( cons(A,nil) != sk3 )
      | ~ memberP(sk4,A) ),
    inference(modus_ponens,[status(thm)],[51,38]) ).

tff(53,plain,
    ( ( ~ ! [A: $i] :
            ( ~ ssItem(A)
            | ( cons(A,nil) != sk3 )
            | ~ memberP(sk4,A) )
      | ~ ssItem(sk5)
      | ( cons(sk5,nil) != sk3 )
      | ~ memberP(sk4,sk5) )
  <=> ( ~ ! [A: $i] :
            ( ~ ssItem(A)
            | ( cons(A,nil) != sk3 )
            | ~ memberP(sk4,A) )
      | ~ ssItem(sk5)
      | ( cons(sk5,nil) != sk3 )
      | ~ memberP(sk4,sk5) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(54,plain,
    ( ~ ! [A: $i] :
          ( ~ ssItem(A)
          | ( cons(A,nil) != sk3 )
          | ~ memberP(sk4,A) )
    | ~ ssItem(sk5)
    | ( cons(sk5,nil) != sk3 )
    | ~ memberP(sk4,sk5) ),
    inference(quant_inst,[status(thm)],]) ).

tff(55,plain,
    ( ~ ! [A: $i] :
          ( ~ ssItem(A)
          | ( cons(A,nil) != sk3 )
          | ~ memberP(sk4,A) )
    | ~ ssItem(sk5)
    | ( cons(sk5,nil) != sk3 )
    | ~ memberP(sk4,sk5) ),
    inference(modus_ponens,[status(thm)],[54,53]) ).

tff(56,plain,
    $false,
    inference(unit_resolution,[status(thm)],[55,52,36,29,20]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SWC381-1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.34  % Computer : n019.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Sun Sep  4 00:34:35 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.34  Usage: tptp [options] [-file:]file
% 0.12/0.34    -h, -?       prints this message.
% 0.12/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.34    -m, -model   generate model.
% 0.12/0.34    -p, -proof   generate proof.
% 0.12/0.34    -c, -core    generate unsat core of named formulas.
% 0.12/0.34    -st, -statistics display statistics.
% 0.12/0.34    -t:timeout   set timeout (in second).
% 0.12/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.34    -<param>:<value> configuration parameter and value.
% 0.12/0.34    -o:<output-file> file to place output in.
% 0.21/0.45  % SZS status Unsatisfiable
% 0.21/0.45  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------