TSTP Solution File: SET072+1 by iProver---3.8

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%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET072+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n031.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 15:06:11 EDT 2023

% Result   : Theorem 0.48s 1.17s
% Output   : CNFRefutation 0.48s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   32 (  12 unt;   0 def)
%            Number of atoms       :   89 (  43 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   83 (  26   ~;  22   |;  29   &)
%                                         (   2 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   44 (   1 sgn;  29   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X2,X0,X1] :
      ( member(X2,unordered_pair(X0,X1))
    <=> ( ( X1 = X2
          | X0 = X2 )
        & member(X2,universal_class) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',unordered_pair_defn) ).

fof(f44,conjecture,
    ! [X0,X1,X4] :
      ( ( unordered_pair(X0,X4) = unordered_pair(X1,X4)
        & member(X1,universal_class)
        & member(X0,universal_class) )
     => X0 = X1 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',right_cancellation) ).

fof(f45,negated_conjecture,
    ~ ! [X0,X1,X4] :
        ( ( unordered_pair(X0,X4) = unordered_pair(X1,X4)
          & member(X1,universal_class)
          & member(X0,universal_class) )
       => X0 = X1 ),
    inference(negated_conjecture,[],[f44]) ).

fof(f46,plain,
    ! [X0,X1,X2] :
      ( member(X0,unordered_pair(X1,X2))
    <=> ( ( X0 = X2
          | X0 = X1 )
        & member(X0,universal_class) ) ),
    inference(rectify,[],[f4]) ).

fof(f70,plain,
    ~ ! [X0,X1,X2] :
        ( ( unordered_pair(X1,X2) = unordered_pair(X0,X2)
          & member(X1,universal_class)
          & member(X0,universal_class) )
       => X0 = X1 ),
    inference(rectify,[],[f45]) ).

fof(f85,plain,
    ? [X0,X1,X2] :
      ( X0 != X1
      & unordered_pair(X1,X2) = unordered_pair(X0,X2)
      & member(X1,universal_class)
      & member(X0,universal_class) ),
    inference(ennf_transformation,[],[f70]) ).

fof(f86,plain,
    ? [X0,X1,X2] :
      ( X0 != X1
      & unordered_pair(X1,X2) = unordered_pair(X0,X2)
      & member(X1,universal_class)
      & member(X0,universal_class) ),
    inference(flattening,[],[f85]) ).

fof(f93,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,unordered_pair(X1,X2))
        | ( X0 != X2
          & X0 != X1 )
        | ~ member(X0,universal_class) )
      & ( ( ( X0 = X2
            | X0 = X1 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X1,X2)) ) ),
    inference(nnf_transformation,[],[f46]) ).

fof(f94,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,unordered_pair(X1,X2))
        | ( X0 != X2
          & X0 != X1 )
        | ~ member(X0,universal_class) )
      & ( ( ( X0 = X2
            | X0 = X1 )
          & member(X0,universal_class) )
        | ~ member(X0,unordered_pair(X1,X2)) ) ),
    inference(flattening,[],[f93]) ).

fof(f135,plain,
    ( ? [X0,X1,X2] :
        ( X0 != X1
        & unordered_pair(X1,X2) = unordered_pair(X0,X2)
        & member(X1,universal_class)
        & member(X0,universal_class) )
   => ( sK6 != sK7
      & unordered_pair(sK7,sK8) = unordered_pair(sK6,sK8)
      & member(sK7,universal_class)
      & member(sK6,universal_class) ) ),
    introduced(choice_axiom,[]) ).

fof(f136,plain,
    ( sK6 != sK7
    & unordered_pair(sK7,sK8) = unordered_pair(sK6,sK8)
    & member(sK7,universal_class)
    & member(sK6,universal_class) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6,sK7,sK8])],[f86,f135]) ).

fof(f145,plain,
    ! [X2,X0,X1] :
      ( X0 = X2
      | X0 = X1
      | ~ member(X0,unordered_pair(X1,X2)) ),
    inference(cnf_transformation,[],[f94]) ).

fof(f146,plain,
    ! [X2,X0,X1] :
      ( member(X0,unordered_pair(X1,X2))
      | X0 != X1
      | ~ member(X0,universal_class) ),
    inference(cnf_transformation,[],[f94]) ).

fof(f224,plain,
    member(sK6,universal_class),
    inference(cnf_transformation,[],[f136]) ).

fof(f225,plain,
    member(sK7,universal_class),
    inference(cnf_transformation,[],[f136]) ).

fof(f226,plain,
    unordered_pair(sK7,sK8) = unordered_pair(sK6,sK8),
    inference(cnf_transformation,[],[f136]) ).

fof(f227,plain,
    sK6 != sK7,
    inference(cnf_transformation,[],[f136]) ).

fof(f268,plain,
    ! [X2,X1] :
      ( member(X1,unordered_pair(X1,X2))
      | ~ member(X1,universal_class) ),
    inference(equality_resolution,[],[f146]) ).

cnf(c_57,plain,
    ( ~ member(X0,universal_class)
    | member(X0,unordered_pair(X0,X1)) ),
    inference(cnf_transformation,[],[f268]) ).

cnf(c_58,plain,
    ( ~ member(X0,unordered_pair(X1,X2))
    | X0 = X1
    | X0 = X2 ),
    inference(cnf_transformation,[],[f145]) ).

cnf(c_128,negated_conjecture,
    sK6 != sK7,
    inference(cnf_transformation,[],[f227]) ).

cnf(c_129,negated_conjecture,
    unordered_pair(sK6,sK8) = unordered_pair(sK7,sK8),
    inference(cnf_transformation,[],[f226]) ).

cnf(c_130,negated_conjecture,
    member(sK7,universal_class),
    inference(cnf_transformation,[],[f225]) ).

cnf(c_131,negated_conjecture,
    member(sK6,universal_class),
    inference(cnf_transformation,[],[f224]) ).

cnf(c_2489,plain,
    ( ~ member(sK7,universal_class)
    | member(sK7,unordered_pair(sK6,sK8)) ),
    inference(superposition,[status(thm)],[c_129,c_57]) ).

cnf(c_2490,plain,
    member(sK7,unordered_pair(sK6,sK8)),
    inference(forward_subsumption_resolution,[status(thm)],[c_2489,c_130]) ).

cnf(c_3155,plain,
    ( sK6 = sK7
    | sK7 = sK8 ),
    inference(superposition,[status(thm)],[c_2490,c_58]) ).

cnf(c_3158,plain,
    sK7 = sK8,
    inference(forward_subsumption_resolution,[status(thm)],[c_3155,c_128]) ).

cnf(c_3177,plain,
    unordered_pair(sK6,sK7) = unordered_pair(sK7,sK7),
    inference(demodulation,[status(thm)],[c_129,c_3158]) ).

cnf(c_3223,plain,
    ( ~ member(X0,unordered_pair(sK6,sK7))
    | X0 = sK7 ),
    inference(superposition,[status(thm)],[c_3177,c_58]) ).

cnf(c_3284,plain,
    ( ~ member(sK6,universal_class)
    | sK6 = sK7 ),
    inference(superposition,[status(thm)],[c_57,c_3223]) ).

cnf(c_3289,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_3284,c_128,c_131]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : SET072+1 : TPTP v8.1.2. Bugfixed v5.4.0.
% 0.12/0.14  % Command  : run_iprover %s %d THM
% 0.13/0.35  % Computer : n031.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 : Sat Aug 26 10:28:08 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.20/0.48  Running first-order theorem proving
% 0.20/0.48  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.48/1.17  % SZS status Started for theBenchmark.p
% 0.48/1.17  % SZS status Theorem for theBenchmark.p
% 0.48/1.17  
% 0.48/1.17  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 0.48/1.17  
% 0.48/1.17  ------  iProver source info
% 0.48/1.17  
% 0.48/1.17  git: date: 2023-05-31 18:12:56 +0000
% 0.48/1.17  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 0.48/1.17  git: non_committed_changes: false
% 0.48/1.17  git: last_make_outside_of_git: false
% 0.48/1.17  
% 0.48/1.17  ------ Parsing...
% 0.48/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 0.48/1.17  
% 0.48/1.17  ------ Preprocessing... sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe:2:0s pe_e  sup_sim: 0  sf_s  rm: 4 0s  sf_e  pe_s  pe_e 
% 0.48/1.17  
% 0.48/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 0.48/1.17  
% 0.48/1.17  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 0.48/1.17  ------ Proving...
% 0.48/1.17  ------ Problem Properties 
% 0.48/1.17  
% 0.48/1.17  
% 0.48/1.17  clauses                                 78
% 0.48/1.17  conjectures                             4
% 0.48/1.17  EPR                                     10
% 0.48/1.17  Horn                                    70
% 0.48/1.17  unary                                   18
% 0.48/1.17  binary                                  39
% 0.48/1.17  lits                                    160
% 0.48/1.17  lits eq                                 16
% 0.48/1.17  fd_pure                                 0
% 0.48/1.17  fd_pseudo                               0
% 0.48/1.17  fd_cond                                 4
% 0.48/1.17  fd_pseudo_cond                          3
% 0.48/1.17  AC symbols                              0
% 0.48/1.17  
% 0.48/1.17  ------ Schedule dynamic 5 is on 
% 0.48/1.17  
% 0.48/1.17  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 0.48/1.17  
% 0.48/1.17  
% 0.48/1.17  ------ 
% 0.48/1.17  Current options:
% 0.48/1.17  ------ 
% 0.48/1.17  
% 0.48/1.17  
% 0.48/1.17  
% 0.48/1.17  
% 0.48/1.17  ------ Proving...
% 0.48/1.17  
% 0.48/1.17  
% 0.48/1.17  % SZS status Theorem for theBenchmark.p
% 0.48/1.17  
% 0.48/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 0.48/1.17  
% 0.48/1.17  
%------------------------------------------------------------------------------