TSTP Solution File: SWC218-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SWC218-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n027.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 11:56:13 EDT 2022

% Result   : Unsatisfiable 0.19s 0.45s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   67
% Syntax   : Number of formulae    :  136 (  36 unt;  11 typ;   0 def)
%            Number of atoms       :  837 ( 231 equ)
%            Maximal formula atoms :   16 (   6 avg)
%            Number of connectives : 1250 ( 592   ~; 580   |;   0   &)
%                                         (  78 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of FOOLs       :   54 (  54 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    9 (   6   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :   10 (   8 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :  228 ( 204   !;   0   ?; 228   :)

% Comments : 
%------------------------------------------------------------------------------
tff(nil_type,type,
    nil: $i ).

tff(app_type,type,
    app: ( $i * $i ) > $i ).

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

tff(sk7_type,type,
    sk7: $i ).

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

tff(sk6_type,type,
    sk6: $i ).

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

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

tff(ssList_type,type,
    ssList: $i > $o ).

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

tff(singletonP_type,type,
    singletonP: $i > $o ).

tff(1,plain,
    ( ~ neq(sk1,nil)
  <=> ~ neq(app(app(sk5,cons(sk7,nil)),sk6),nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,plain,
    ( ~ neq(sk1,nil)
  <=> ~ neq(sk1,nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(3,axiom,
    ~ neq(sk1,nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_12) ).

tff(4,plain,
    ~ neq(sk1,nil),
    inference(modus_ponens,[status(thm)],[3,2]) ).

tff(5,plain,
    ~ neq(app(app(sk5,cons(sk7,nil)),sk6),nil),
    inference(modus_ponens,[status(thm)],[4,1]) ).

tff(6,plain,
    ( ssList(sk1)
  <=> ssList(app(app(sk5,cons(sk7,nil)),sk6)) ),
    inference(rewrite,[status(thm)],]) ).

tff(7,plain,
    ( ssList(sk1)
  <=> ssList(sk1) ),
    inference(rewrite,[status(thm)],]) ).

tff(8,axiom,
    ssList(sk1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_1) ).

tff(9,plain,
    ssList(sk1),
    inference(modus_ponens,[status(thm)],[8,7]) ).

tff(10,plain,
    ssList(app(app(sk5,cons(sk7,nil)),sk6)),
    inference(modus_ponens,[status(thm)],[9,6]) ).

tff(11,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ~ ssList(V)
          | ( V = U )
          | neq(V,U) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ( V = U )
          | neq(V,U) ) )),
    inference(bind,[status(th)],]) ).

tff(12,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( V = U )
        | neq(V,U) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( V = U )
        | neq(V,U) ) ),
    inference(quant_intro,[status(thm)],[11]) ).

tff(13,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( V = U )
        | neq(V,U) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( V = U )
        | neq(V,U) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(14,plain,
    ^ [V: $i,U: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ ssList(U)
              | ~ ssList(V)
              | neq(V,U) )
          <=> ( ~ ssList(U)
              | ~ ssList(V)
              | neq(V,U) ) )),
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | neq(V,U)
            | ( V = U ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | neq(V,U)
            | ( V = U ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | neq(V,U)
            | ( V = U ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | neq(V,U) ) )),
        ( ( ~ ssList(U)
          | ~ ssList(V)
          | neq(V,U)
          | ( V = U ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ( V = U )
          | neq(V,U) ) )),
    inference(bind,[status(th)],]) ).

tff(15,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | neq(V,U)
        | ( V = U ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( V = U )
        | neq(V,U) ) ),
    inference(quant_intro,[status(thm)],[14]) ).

tff(16,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | neq(V,U)
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause100) ).

tff(17,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( V = U )
      | neq(V,U) ),
    inference(modus_ponens,[status(thm)],[16,15]) ).

tff(18,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( V = U )
      | neq(V,U) ),
    inference(modus_ponens,[status(thm)],[17,13]) ).

tff(19,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( V = U )
      | neq(V,U) ),
    inference(skolemize,[status(sab)],[18]) ).

tff(20,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( V = U )
      | neq(V,U) ),
    inference(modus_ponens,[status(thm)],[19,12]) ).

tff(21,plain,
    ( ssList(nil)
  <=> ssList(nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(22,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause8) ).

tff(23,plain,
    ssList(nil),
    inference(modus_ponens,[status(thm)],[22,21]) ).

tff(24,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | neq(V,U) )
      | ~ ssList(nil)
      | ~ ssList(app(app(sk5,cons(sk7,nil)),sk6))
      | ( app(app(sk5,cons(sk7,nil)),sk6) = nil )
      | neq(app(app(sk5,cons(sk7,nil)),sk6),nil) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | neq(V,U) )
      | ~ ssList(nil)
      | ~ ssList(app(app(sk5,cons(sk7,nil)),sk6))
      | ( app(app(sk5,cons(sk7,nil)),sk6) = nil )
      | neq(app(app(sk5,cons(sk7,nil)),sk6),nil) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(25,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( V = U )
          | neq(V,U) )
    | ~ ssList(nil)
    | ~ ssList(app(app(sk5,cons(sk7,nil)),sk6))
    | ( app(app(sk5,cons(sk7,nil)),sk6) = nil )
    | neq(app(app(sk5,cons(sk7,nil)),sk6),nil) ),
    inference(quant_inst,[status(thm)],]) ).

tff(26,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( V = U )
          | neq(V,U) )
    | ~ ssList(nil)
    | ~ ssList(app(app(sk5,cons(sk7,nil)),sk6))
    | ( app(app(sk5,cons(sk7,nil)),sk6) = nil )
    | neq(app(app(sk5,cons(sk7,nil)),sk6),nil) ),
    inference(modus_ponens,[status(thm)],[25,24]) ).

tff(27,plain,
    app(app(sk5,cons(sk7,nil)),sk6) = nil,
    inference(unit_resolution,[status(thm)],[26,23,20,10,5]) ).

tff(28,plain,
    ( ssItem(sk7)
  <=> ssItem(sk7) ),
    inference(rewrite,[status(thm)],]) ).

tff(29,axiom,
    ssItem(sk7),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_10) ).

tff(30,plain,
    ssItem(sk7),
    inference(modus_ponens,[status(thm)],[29,28]) ).

tff(31,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) ) )),
    inference(bind,[status(th)],]) ).

tff(32,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) ) ),
    inference(quant_intro,[status(thm)],[31]) ).

tff(33,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(34,plain,
    ^ [V: $i,U: $i] :
      rewrite(
        ( ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) ) )),
    inference(bind,[status(th)],]) ).

tff(35,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) ) ),
    inference(quant_intro,[status(thm)],[34]) ).

tff(36,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause86) ).

tff(37,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[36,35]) ).

tff(38,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[37,33]) ).

tff(39,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(skolemize,[status(sab)],[38]) ).

tff(40,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[39,32]) ).

tff(41,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(sk7)
      | ~ ssList(nil)
      | ssList(cons(sk7,nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(sk7)
      | ~ ssList(nil)
      | ssList(cons(sk7,nil)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(42,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk7)
    | ~ ssList(nil)
    | ssList(cons(sk7,nil)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(43,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk7)
    | ~ ssList(nil)
    | ssList(cons(sk7,nil)) ),
    inference(modus_ponens,[status(thm)],[42,41]) ).

tff(44,plain,
    ssList(cons(sk7,nil)),
    inference(unit_resolution,[status(thm)],[43,23,40,30]) ).

tff(45,plain,
    ( ssList(sk5)
  <=> ssList(sk5) ),
    inference(rewrite,[status(thm)],]) ).

tff(46,axiom,
    ssList(sk5),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

tff(47,plain,
    ssList(sk5),
    inference(modus_ponens,[status(thm)],[46,45]) ).

tff(48,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
      <=> ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) ) )),
    inference(bind,[status(th)],]) ).

tff(49,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) ) ),
    inference(quant_intro,[status(thm)],[48]) ).

tff(50,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(51,plain,
    ^ [V: $i,U: $i] :
      rewrite(
        ( ( ~ ssList(U)
          | ~ ssList(V)
          | ssList(app(V,U)) )
      <=> ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) ) )),
    inference(bind,[status(th)],]) ).

tff(52,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ssList(app(V,U)) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) ) ),
    inference(quant_intro,[status(thm)],[51]) ).

tff(53,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ssList(app(V,U)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause85) ).

tff(54,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[53,52]) ).

tff(55,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[54,50]) ).

tff(56,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(skolemize,[status(sab)],[55]) ).

tff(57,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[56,49]) ).

tff(58,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk5)
      | ~ ssList(cons(sk7,nil))
      | ssList(app(sk5,cons(sk7,nil))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk5)
      | ~ ssList(cons(sk7,nil))
      | ssList(app(sk5,cons(sk7,nil))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(59,plain,
    ( ( ~ ssList(cons(sk7,nil))
      | ssList(app(sk5,cons(sk7,nil)))
      | ~ ssList(sk5) )
  <=> ( ~ ssList(sk5)
      | ~ ssList(cons(sk7,nil))
      | ssList(app(sk5,cons(sk7,nil))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(60,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk7,nil))
      | ssList(app(sk5,cons(sk7,nil)))
      | ~ ssList(sk5) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk5)
      | ~ ssList(cons(sk7,nil))
      | ssList(app(sk5,cons(sk7,nil))) ) ),
    inference(monotonicity,[status(thm)],[59]) ).

tff(61,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk7,nil))
      | ssList(app(sk5,cons(sk7,nil)))
      | ~ ssList(sk5) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk5)
      | ~ ssList(cons(sk7,nil))
      | ssList(app(sk5,cons(sk7,nil))) ) ),
    inference(transitivity,[status(thm)],[60,58]) ).

tff(62,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(cons(sk7,nil))
    | ssList(app(sk5,cons(sk7,nil)))
    | ~ ssList(sk5) ),
    inference(quant_inst,[status(thm)],]) ).

tff(63,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(sk5)
    | ~ ssList(cons(sk7,nil))
    | ssList(app(sk5,cons(sk7,nil))) ),
    inference(modus_ponens,[status(thm)],[62,61]) ).

tff(64,plain,
    ssList(app(sk5,cons(sk7,nil))),
    inference(unit_resolution,[status(thm)],[63,57,47,44]) ).

tff(65,plain,
    ( ssList(sk6)
  <=> ssList(sk6) ),
    inference(rewrite,[status(thm)],]) ).

tff(66,axiom,
    ssList(sk6),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).

tff(67,plain,
    ssList(sk6),
    inference(modus_ponens,[status(thm)],[66,65]) ).

tff(68,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ( nil = U )
          | ~ ssList(V)
          | ( app(U,V) != nil ) )
      <=> ( ~ ssList(U)
          | ( nil = U )
          | ~ ssList(V)
          | ( app(U,V) != nil ) ) )),
    inference(bind,[status(th)],]) ).

tff(69,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ ssList(V)
        | ( app(U,V) != nil ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ ssList(V)
        | ( app(U,V) != nil ) ) ),
    inference(quant_intro,[status(thm)],[68]) ).

tff(70,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ ssList(V)
        | ( app(U,V) != nil ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ ssList(V)
        | ( app(U,V) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(71,plain,
    ^ [V: $i,U: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              rewrite(
                ( ( ( app(U,V) != nil )
                  | ~ ssList(V) )
              <=> ( ~ ssList(V)
                  | ( app(U,V) != nil ) ) )),
              ( ( ( app(U,V) != nil )
                | ~ ssList(V)
                | ~ ssList(U) )
            <=> ( ~ ssList(V)
                | ( app(U,V) != nil )
                | ~ ssList(U) ) )),
            rewrite(
              ( ( ~ ssList(V)
                | ( app(U,V) != nil )
                | ~ ssList(U) )
            <=> ( ~ ssList(U)
                | ~ ssList(V)
                | ( app(U,V) != nil ) ) )),
            ( ( ( app(U,V) != nil )
              | ~ ssList(V)
              | ~ ssList(U) )
          <=> ( ~ ssList(U)
              | ~ ssList(V)
              | ( app(U,V) != nil ) ) )),
          ( ( ( app(U,V) != nil )
            | ~ ssList(V)
            | ~ ssList(U)
            | ( nil = U ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = U ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = U ) )
        <=> ( ~ ssList(U)
            | ( nil = U )
            | ~ ssList(V)
            | ( app(U,V) != nil ) ) )),
        ( ( ( app(U,V) != nil )
          | ~ ssList(V)
          | ~ ssList(U)
          | ( nil = U ) )
      <=> ( ~ ssList(U)
          | ( nil = U )
          | ~ ssList(V)
          | ( app(U,V) != nil ) ) )),
    inference(bind,[status(th)],]) ).

tff(72,plain,
    ( ! [V: $i,U: $i] :
        ( ( app(U,V) != nil )
        | ~ ssList(V)
        | ~ ssList(U)
        | ( nil = U ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ ssList(V)
        | ( app(U,V) != nil ) ) ),
    inference(quant_intro,[status(thm)],[71]) ).

tff(73,axiom,
    ! [V: $i,U: $i] :
      ( ( app(U,V) != nil )
      | ~ ssList(V)
      | ~ ssList(U)
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause118) ).

tff(74,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ~ ssList(V)
      | ( app(U,V) != nil ) ),
    inference(modus_ponens,[status(thm)],[73,72]) ).

tff(75,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ~ ssList(V)
      | ( app(U,V) != nil ) ),
    inference(modus_ponens,[status(thm)],[74,70]) ).

tff(76,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ~ ssList(V)
      | ( app(U,V) != nil ) ),
    inference(skolemize,[status(sab)],[75]) ).

tff(77,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ~ ssList(V)
      | ( app(U,V) != nil ) ),
    inference(modus_ponens,[status(thm)],[76,69]) ).

tff(78,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ~ ssList(V)
            | ( app(U,V) != nil ) )
      | ~ ssList(sk6)
      | ~ ssList(app(sk5,cons(sk7,nil)))
      | ( nil = app(sk5,cons(sk7,nil)) )
      | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ~ ssList(V)
            | ( app(U,V) != nil ) )
      | ~ ssList(sk6)
      | ~ ssList(app(sk5,cons(sk7,nil)))
      | ( nil = app(sk5,cons(sk7,nil)) )
      | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(79,plain,
    ( ( ~ ssList(app(sk5,cons(sk7,nil)))
      | ( nil = app(sk5,cons(sk7,nil)) )
      | ~ ssList(sk6)
      | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) )
  <=> ( ~ ssList(sk6)
      | ~ ssList(app(sk5,cons(sk7,nil)))
      | ( nil = app(sk5,cons(sk7,nil)) )
      | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(80,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ~ ssList(V)
            | ( app(U,V) != nil ) )
      | ~ ssList(app(sk5,cons(sk7,nil)))
      | ( nil = app(sk5,cons(sk7,nil)) )
      | ~ ssList(sk6)
      | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ~ ssList(V)
            | ( app(U,V) != nil ) )
      | ~ ssList(sk6)
      | ~ ssList(app(sk5,cons(sk7,nil)))
      | ( nil = app(sk5,cons(sk7,nil)) )
      | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) ) ),
    inference(monotonicity,[status(thm)],[79]) ).

tff(81,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ~ ssList(V)
            | ( app(U,V) != nil ) )
      | ~ ssList(app(sk5,cons(sk7,nil)))
      | ( nil = app(sk5,cons(sk7,nil)) )
      | ~ ssList(sk6)
      | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ~ ssList(V)
            | ( app(U,V) != nil ) )
      | ~ ssList(sk6)
      | ~ ssList(app(sk5,cons(sk7,nil)))
      | ( nil = app(sk5,cons(sk7,nil)) )
      | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) ) ),
    inference(transitivity,[status(thm)],[80,78]) ).

tff(82,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ( nil = U )
          | ~ ssList(V)
          | ( app(U,V) != nil ) )
    | ~ ssList(app(sk5,cons(sk7,nil)))
    | ( nil = app(sk5,cons(sk7,nil)) )
    | ~ ssList(sk6)
    | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(83,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ( nil = U )
          | ~ ssList(V)
          | ( app(U,V) != nil ) )
    | ~ ssList(sk6)
    | ~ ssList(app(sk5,cons(sk7,nil)))
    | ( nil = app(sk5,cons(sk7,nil)) )
    | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) ),
    inference(modus_ponens,[status(thm)],[82,81]) ).

tff(84,plain,
    ( ( nil = app(sk5,cons(sk7,nil)) )
    | ( app(app(sk5,cons(sk7,nil)),sk6) != nil ) ),
    inference(unit_resolution,[status(thm)],[83,77,67,64]) ).

tff(85,plain,
    nil = app(sk5,cons(sk7,nil)),
    inference(unit_resolution,[status(thm)],[84,27]) ).

tff(86,plain,
    app(sk5,cons(sk7,nil)) = nil,
    inference(symmetry,[status(thm)],[85]) ).

tff(87,plain,
    ( ( nil = cons(sk7,nil) )
  <=> ( cons(sk7,nil) = nil ) ),
    inference(commutativity,[status(thm)],]) ).

tff(88,plain,
    ( ( cons(sk7,nil) = nil )
  <=> ( nil = cons(sk7,nil) ) ),
    inference(symmetry,[status(thm)],[87]) ).

tff(89,plain,
    ( ( cons(sk7,nil) != nil )
  <=> ( nil != cons(sk7,nil) ) ),
    inference(monotonicity,[status(thm)],[88]) ).

tff(90,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) ) )),
    inference(bind,[status(th)],]) ).

tff(91,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V)
        | ( cons(U,nil) != V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V)
        | ( cons(U,nil) != V ) ) ),
    inference(quant_intro,[status(thm)],[90]) ).

tff(92,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V)
        | ( cons(U,nil) != V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V)
        | ( cons(U,nil) != V ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(93,plain,
    ^ [V: $i,U: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              rewrite(
                ( ( ( cons(U,nil) != V )
                  | ~ ssItem(U) )
              <=> ( ~ ssItem(U)
                  | ( cons(U,nil) != V ) ) )),
              ( ( ( cons(U,nil) != V )
                | ~ ssItem(U)
                | ~ ssList(V) )
            <=> ( ~ ssItem(U)
                | ( cons(U,nil) != V )
                | ~ ssList(V) ) )),
            rewrite(
              ( ( ~ ssItem(U)
                | ( cons(U,nil) != V )
                | ~ ssList(V) )
            <=> ( ~ ssItem(U)
                | ~ ssList(V)
                | ( cons(U,nil) != V ) ) )),
            ( ( ( cons(U,nil) != V )
              | ~ ssItem(U)
              | ~ ssList(V) )
          <=> ( ~ ssItem(U)
              | ~ ssList(V)
              | ( cons(U,nil) != V ) ) )),
          ( ( ( cons(U,nil) != V )
            | ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V) )
        <=> ( ~ ssItem(U)
            | ~ ssList(V)
            | ( cons(U,nil) != V )
            | singletonP(V) ) )),
        rewrite(
          ( ( ~ ssItem(U)
            | ~ ssList(V)
            | ( cons(U,nil) != V )
            | singletonP(V) )
        <=> ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) ) )),
        ( ( ( cons(U,nil) != V )
          | ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) ) )),
    inference(bind,[status(th)],]) ).

tff(94,plain,
    ( ! [V: $i,U: $i] :
        ( ( cons(U,nil) != V )
        | ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V)
        | ( cons(U,nil) != V ) ) ),
    inference(quant_intro,[status(thm)],[93]) ).

tff(95,axiom,
    ! [V: $i,U: $i] :
      ( ( cons(U,nil) != V )
      | ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause116) ).

tff(96,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V)
      | ( cons(U,nil) != V ) ),
    inference(modus_ponens,[status(thm)],[95,94]) ).

tff(97,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V)
      | ( cons(U,nil) != V ) ),
    inference(modus_ponens,[status(thm)],[96,92]) ).

tff(98,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V)
      | ( cons(U,nil) != V ) ),
    inference(skolemize,[status(sab)],[97]) ).

tff(99,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V)
      | ( cons(U,nil) != V ) ),
    inference(modus_ponens,[status(thm)],[98,91]) ).

tff(100,plain,
    ( ~ singletonP(nil)
  <=> ~ singletonP(nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(101,axiom,
    ~ singletonP(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause11) ).

tff(102,plain,
    ~ singletonP(nil),
    inference(modus_ponens,[status(thm)],[101,100]) ).

tff(103,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk7)
      | ( cons(sk7,nil) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk7)
      | ( cons(sk7,nil) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(104,plain,
    ( ( ~ ssItem(sk7)
      | ~ ssList(nil)
      | singletonP(nil)
      | ( cons(sk7,nil) != nil ) )
  <=> ( singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk7)
      | ( cons(sk7,nil) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(105,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | ~ ssItem(sk7)
      | ~ ssList(nil)
      | singletonP(nil)
      | ( cons(sk7,nil) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk7)
      | ( cons(sk7,nil) != nil ) ) ),
    inference(monotonicity,[status(thm)],[104]) ).

tff(106,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | ~ ssItem(sk7)
      | ~ ssList(nil)
      | singletonP(nil)
      | ( cons(sk7,nil) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk7)
      | ( cons(sk7,nil) != nil ) ) ),
    inference(transitivity,[status(thm)],[105,103]) ).

tff(107,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) )
    | ~ ssItem(sk7)
    | ~ ssList(nil)
    | singletonP(nil)
    | ( cons(sk7,nil) != nil ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(108,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) )
    | singletonP(nil)
    | ~ ssList(nil)
    | ~ ssItem(sk7)
    | ( cons(sk7,nil) != nil ) ),
    inference(modus_ponens,[status(thm)],[107,106]) ).

tff(109,plain,
    cons(sk7,nil) != nil,
    inference(unit_resolution,[status(thm)],[108,23,102,99,30]) ).

tff(110,plain,
    nil != cons(sk7,nil),
    inference(modus_ponens,[status(thm)],[109,89]) ).

tff(111,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) ) )),
    inference(bind,[status(th)],]) ).

tff(112,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) ) ),
    inference(quant_intro,[status(thm)],[111]) ).

tff(113,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(114,plain,
    ^ [V: $i,U: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              rewrite(
                ( ( ( app(U,V) != nil )
                  | ~ ssList(V) )
              <=> ( ~ ssList(V)
                  | ( app(U,V) != nil ) ) )),
              ( ( ( app(U,V) != nil )
                | ~ ssList(V)
                | ~ ssList(U) )
            <=> ( ~ ssList(V)
                | ( app(U,V) != nil )
                | ~ ssList(U) ) )),
            rewrite(
              ( ( ~ ssList(V)
                | ( app(U,V) != nil )
                | ~ ssList(U) )
            <=> ( ~ ssList(U)
                | ~ ssList(V)
                | ( app(U,V) != nil ) ) )),
            ( ( ( app(U,V) != nil )
              | ~ ssList(V)
              | ~ ssList(U) )
          <=> ( ~ ssList(U)
              | ~ ssList(V)
              | ( app(U,V) != nil ) ) )),
          ( ( ( app(U,V) != nil )
            | ~ ssList(V)
            | ~ ssList(U)
            | ( nil = V ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) ) )),
        ( ( ( app(U,V) != nil )
          | ~ ssList(V)
          | ~ ssList(U)
          | ( nil = V ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) ) )),
    inference(bind,[status(th)],]) ).

tff(115,plain,
    ( ! [V: $i,U: $i] :
        ( ( app(U,V) != nil )
        | ~ ssList(V)
        | ~ ssList(U)
        | ( nil = V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) ) ),
    inference(quant_intro,[status(thm)],[114]) ).

tff(116,axiom,
    ! [V: $i,U: $i] :
      ( ( app(U,V) != nil )
      | ~ ssList(V)
      | ~ ssList(U)
      | ( nil = V ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause119) ).

tff(117,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( app(U,V) != nil )
      | ( nil = V ) ),
    inference(modus_ponens,[status(thm)],[116,115]) ).

tff(118,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( app(U,V) != nil )
      | ( nil = V ) ),
    inference(modus_ponens,[status(thm)],[117,113]) ).

tff(119,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( app(U,V) != nil )
      | ( nil = V ) ),
    inference(skolemize,[status(sab)],[118]) ).

tff(120,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( app(U,V) != nil )
      | ( nil = V ) ),
    inference(modus_ponens,[status(thm)],[119,112]) ).

tff(121,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) )
      | ~ ssList(sk5)
      | ~ ssList(cons(sk7,nil))
      | ( app(sk5,cons(sk7,nil)) != nil )
      | ( nil = cons(sk7,nil) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) )
      | ~ ssList(sk5)
      | ~ ssList(cons(sk7,nil))
      | ( app(sk5,cons(sk7,nil)) != nil )
      | ( nil = cons(sk7,nil) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(122,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) )
    | ~ ssList(sk5)
    | ~ ssList(cons(sk7,nil))
    | ( app(sk5,cons(sk7,nil)) != nil )
    | ( nil = cons(sk7,nil) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(123,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) )
    | ~ ssList(sk5)
    | ~ ssList(cons(sk7,nil))
    | ( app(sk5,cons(sk7,nil)) != nil )
    | ( nil = cons(sk7,nil) ) ),
    inference(modus_ponens,[status(thm)],[122,121]) ).

tff(124,plain,
    ( ( app(sk5,cons(sk7,nil)) != nil )
    | ( nil = cons(sk7,nil) ) ),
    inference(unit_resolution,[status(thm)],[123,120,47,44]) ).

tff(125,plain,
    $false,
    inference(unit_resolution,[status(thm)],[124,110,86]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWC218-1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n027.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Sat Sep  3 22:57:21 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.
% 0.19/0.45  % SZS status Unsatisfiable
% 0.19/0.45  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------