TSTP Solution File: SWC040+1 by iProver---3.8

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%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SWC040+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n016.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 : Thu Aug 31 20:40:31 EDT 2023

% Result   : Theorem 0.49s 1.16s
% Output   : CNFRefutation 0.49s
% Verified : 
% SZS Type : ERROR: Analysing output (Could not find formula named f663)

% Comments : 
%------------------------------------------------------------------------------
fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( ( neq(X3,nil)
                      & ! [X4] :
                          ( ssItem(X4)
                         => ! [X5] :
                              ( ssList(X5)
                             => ( app(X5,cons(X4,nil)) != X3
                                | app(cons(X4,nil),X5) != X2 ) ) ) )
                    | ( nil = X3
                      & nil != X2 )
                    | nil = X0
                    | X0 != X2
                    | X1 != X3
                    | nil != X1 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( ( neq(X3,nil)
                        & ! [X4] :
                            ( ssItem(X4)
                           => ! [X5] :
                                ( ssList(X5)
                               => ( app(X5,cons(X4,nil)) != X3
                                  | app(cons(X4,nil),X5) != X2 ) ) ) )
                      | ( nil = X3
                        & nil != X2 )
                      | nil = X0
                      | X0 != X2
                      | X1 != X3
                      | nil != X1 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f221,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ~ neq(X3,nil)
                    | ? [X4] :
                        ( ? [X5] :
                            ( app(X5,cons(X4,nil)) = X3
                            & app(cons(X4,nil),X5) = X2
                            & ssList(X5) )
                        & ssItem(X4) ) )
                  & ( nil != X3
                    | nil = X2 )
                  & nil != X0
                  & X0 = X2
                  & X1 = X3
                  & nil = X1
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f222,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ~ neq(X3,nil)
                    | ? [X4] :
                        ( ? [X5] :
                            ( app(X5,cons(X4,nil)) = X3
                            & app(cons(X4,nil),X5) = X2
                            & ssList(X5) )
                        & ssItem(X4) ) )
                  & ( nil != X3
                    | nil = X2 )
                  & nil != X0
                  & X0 = X2
                  & X1 = X3
                  & nil = X1
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f221]) ).

fof(f343,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ? [X3] :
                    ( ( ~ neq(X3,nil)
                      | ? [X4] :
                          ( ? [X5] :
                              ( app(X5,cons(X4,nil)) = X3
                              & app(cons(X4,nil),X5) = X2
                              & ssList(X5) )
                          & ssItem(X4) ) )
                    & ( nil != X3
                      | nil = X2 )
                    & nil != X0
                    & X0 = X2
                    & X1 = X3
                    & nil = X1
                    & ssList(X3) )
                & ssList(X2) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ~ neq(X3,nil)
                    | ? [X4] :
                        ( ? [X5] :
                            ( app(X5,cons(X4,nil)) = X3
                            & app(cons(X4,nil),X5) = X2
                            & ssList(X5) )
                        & ssItem(X4) ) )
                  & ( nil != X3
                    | nil = X2 )
                  & nil != sK53
                  & sK53 = X2
                  & X1 = X3
                  & nil = X1
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(sK53) ) ),
    introduced(choice_axiom,[]) ).

fof(f344,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ? [X3] :
                ( ( ~ neq(X3,nil)
                  | ? [X4] :
                      ( ? [X5] :
                          ( app(X5,cons(X4,nil)) = X3
                          & app(cons(X4,nil),X5) = X2
                          & ssList(X5) )
                      & ssItem(X4) ) )
                & ( nil != X3
                  | nil = X2 )
                & nil != sK53
                & sK53 = X2
                & X1 = X3
                & nil = X1
                & ssList(X3) )
            & ssList(X2) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ? [X3] :
              ( ( ~ neq(X3,nil)
                | ? [X4] :
                    ( ? [X5] :
                        ( app(X5,cons(X4,nil)) = X3
                        & app(cons(X4,nil),X5) = X2
                        & ssList(X5) )
                    & ssItem(X4) ) )
              & ( nil != X3
                | nil = X2 )
              & nil != sK53
              & sK53 = X2
              & sK54 = X3
              & nil = sK54
              & ssList(X3) )
          & ssList(X2) )
      & ssList(sK54) ) ),
    introduced(choice_axiom,[]) ).

fof(f345,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( ( ~ neq(X3,nil)
              | ? [X4] :
                  ( ? [X5] :
                      ( app(X5,cons(X4,nil)) = X3
                      & app(cons(X4,nil),X5) = X2
                      & ssList(X5) )
                  & ssItem(X4) ) )
            & ( nil != X3
              | nil = X2 )
            & nil != sK53
            & sK53 = X2
            & sK54 = X3
            & nil = sK54
            & ssList(X3) )
        & ssList(X2) )
   => ( ? [X3] :
          ( ( ~ neq(X3,nil)
            | ? [X4] :
                ( ? [X5] :
                    ( app(X5,cons(X4,nil)) = X3
                    & app(cons(X4,nil),X5) = sK55
                    & ssList(X5) )
                & ssItem(X4) ) )
          & ( nil != X3
            | nil = sK55 )
          & nil != sK53
          & sK53 = sK55
          & sK54 = X3
          & nil = sK54
          & ssList(X3) )
      & ssList(sK55) ) ),
    introduced(choice_axiom,[]) ).

fof(f346,plain,
    ( ? [X3] :
        ( ( ~ neq(X3,nil)
          | ? [X4] :
              ( ? [X5] :
                  ( app(X5,cons(X4,nil)) = X3
                  & app(cons(X4,nil),X5) = sK55
                  & ssList(X5) )
              & ssItem(X4) ) )
        & ( nil != X3
          | nil = sK55 )
        & nil != sK53
        & sK53 = sK55
        & sK54 = X3
        & nil = sK54
        & ssList(X3) )
   => ( ( ~ neq(sK56,nil)
        | ? [X4] :
            ( ? [X5] :
                ( app(X5,cons(X4,nil)) = sK56
                & app(cons(X4,nil),X5) = sK55
                & ssList(X5) )
            & ssItem(X4) ) )
      & ( nil != sK56
        | nil = sK55 )
      & nil != sK53
      & sK53 = sK55
      & sK54 = sK56
      & nil = sK54
      & ssList(sK56) ) ),
    introduced(choice_axiom,[]) ).

fof(f347,plain,
    ( ? [X4] :
        ( ? [X5] :
            ( app(X5,cons(X4,nil)) = sK56
            & app(cons(X4,nil),X5) = sK55
            & ssList(X5) )
        & ssItem(X4) )
   => ( ? [X5] :
          ( sK56 = app(X5,cons(sK57,nil))
          & sK55 = app(cons(sK57,nil),X5)
          & ssList(X5) )
      & ssItem(sK57) ) ),
    introduced(choice_axiom,[]) ).

fof(f348,plain,
    ( ? [X5] :
        ( sK56 = app(X5,cons(sK57,nil))
        & sK55 = app(cons(sK57,nil),X5)
        & ssList(X5) )
   => ( sK56 = app(sK58,cons(sK57,nil))
      & sK55 = app(cons(sK57,nil),sK58)
      & ssList(sK58) ) ),
    introduced(choice_axiom,[]) ).

fof(f349,plain,
    ( ( ~ neq(sK56,nil)
      | ( sK56 = app(sK58,cons(sK57,nil))
        & sK55 = app(cons(sK57,nil),sK58)
        & ssList(sK58)
        & ssItem(sK57) ) )
    & ( nil != sK56
      | nil = sK55 )
    & nil != sK53
    & sK53 = sK55
    & sK54 = sK56
    & nil = sK54
    & ssList(sK56)
    & ssList(sK55)
    & ssList(sK54)
    & ssList(sK53) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK53,sK54,sK55,sK56,sK57,sK58])],[f222,f348,f347,f346,f345,f344,f343]) ).

fof(f553,plain,
    nil = sK54,
    inference(cnf_transformation,[],[f349]) ).

fof(f554,plain,
    sK54 = sK56,
    inference(cnf_transformation,[],[f349]) ).

fof(f555,plain,
    sK53 = sK55,
    inference(cnf_transformation,[],[f349]) ).

fof(f556,plain,
    nil != sK53,
    inference(cnf_transformation,[],[f349]) ).

fof(f562,plain,
    nil = sK56,
    inference(definition_unfolding,[],[f553,f554]) ).

fof(f626,plain,
    sK55 != sK56,
    inference(definition_unfolding,[],[f556,f562,f555]) ).

cnf(c_250,negated_conjecture,
    sK56 = sK55,
    inference(cnf_transformation,[],[f663]) ).

cnf(c_251,negated_conjecture,
    sK56 != sK55,
    inference(cnf_transformation,[],[f626]) ).

cnf(c_256,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_251,c_250]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SWC040+1 : TPTP v8.1.2. Released v2.4.0.
% 0.06/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.35  % Computer : n016.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Mon Aug 28 16:01:30 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.21/0.48  Running first-order theorem proving
% 0.21/0.48  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.49/1.16  % SZS status Started for theBenchmark.p
% 0.49/1.16  % SZS status Theorem for theBenchmark.p
% 0.49/1.16  
% 0.49/1.16  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.49/1.16  
% 0.49/1.16  ------  iProver source info
% 0.49/1.16  
% 0.49/1.16  git: date: 2023-05-31 18:12:56 +0000
% 0.49/1.16  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.49/1.16  git: non_committed_changes: false
% 0.49/1.16  git: last_make_outside_of_git: false
% 0.49/1.16  
% 0.49/1.16  ------ Parsing...
% 0.49/1.16  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.49/1.16  
% 0.49/1.16  ------ Preprocessing...
% 0.49/1.16  
% 0.49/1.16  % SZS status Theorem for theBenchmark.p
% 0.49/1.16  
% 0.49/1.16  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.49/1.16  
% 0.49/1.16  
%------------------------------------------------------------------------------