TSTP Solution File: SET912+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET912+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n028.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 15:10:36 EDT 2023

% Result   : Theorem 1.77s 1.17s
% Output   : CNFRefutation 1.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   25 (   7 unt;   0 def)
%            Number of atoms       :   64 (  16 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :   64 (  25   ~;  17   |;  17   &)
%                                         (   1 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   42 (   0 sgn;  24   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f8,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
     => set_intersection2(X0,X1) = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t28_xboole_1) ).

fof(f9,axiom,
    ! [X0,X1,X2] :
      ( subset(unordered_pair(X0,X1),X2)
    <=> ( in(X1,X2)
        & in(X0,X2) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t38_zfmisc_1) ).

fof(f10,conjecture,
    ! [X0,X1,X2] :
      ( ( in(X2,X1)
        & in(X0,X1) )
     => unordered_pair(X0,X2) = set_intersection2(unordered_pair(X0,X2),X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t53_zfmisc_1) ).

fof(f11,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( ( in(X2,X1)
          & in(X0,X1) )
       => unordered_pair(X0,X2) = set_intersection2(unordered_pair(X0,X2),X1) ),
    inference(negated_conjecture,[],[f10]) ).

fof(f15,plain,
    ! [X0,X1] :
      ( set_intersection2(X0,X1) = X0
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f16,plain,
    ? [X0,X1,X2] :
      ( unordered_pair(X0,X2) != set_intersection2(unordered_pair(X0,X2),X1)
      & in(X2,X1)
      & in(X0,X1) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f17,plain,
    ? [X0,X1,X2] :
      ( unordered_pair(X0,X2) != set_intersection2(unordered_pair(X0,X2),X1)
      & in(X2,X1)
      & in(X0,X1) ),
    inference(flattening,[],[f16]) ).

fof(f22,plain,
    ! [X0,X1,X2] :
      ( ( subset(unordered_pair(X0,X1),X2)
        | ~ in(X1,X2)
        | ~ in(X0,X2) )
      & ( ( in(X1,X2)
          & in(X0,X2) )
        | ~ subset(unordered_pair(X0,X1),X2) ) ),
    inference(nnf_transformation,[],[f9]) ).

fof(f23,plain,
    ! [X0,X1,X2] :
      ( ( subset(unordered_pair(X0,X1),X2)
        | ~ in(X1,X2)
        | ~ in(X0,X2) )
      & ( ( in(X1,X2)
          & in(X0,X2) )
        | ~ subset(unordered_pair(X0,X1),X2) ) ),
    inference(flattening,[],[f22]) ).

fof(f24,plain,
    ( ? [X0,X1,X2] :
        ( unordered_pair(X0,X2) != set_intersection2(unordered_pair(X0,X2),X1)
        & in(X2,X1)
        & in(X0,X1) )
   => ( unordered_pair(sK2,sK4) != set_intersection2(unordered_pair(sK2,sK4),sK3)
      & in(sK4,sK3)
      & in(sK2,sK3) ) ),
    introduced(choice_axiom,[]) ).

fof(f25,plain,
    ( unordered_pair(sK2,sK4) != set_intersection2(unordered_pair(sK2,sK4),sK3)
    & in(sK4,sK3)
    & in(sK2,sK3) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3,sK4])],[f17,f24]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( set_intersection2(X0,X1) = X0
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f15]) ).

fof(f36,plain,
    ! [X2,X0,X1] :
      ( subset(unordered_pair(X0,X1),X2)
      | ~ in(X1,X2)
      | ~ in(X0,X2) ),
    inference(cnf_transformation,[],[f23]) ).

fof(f37,plain,
    in(sK2,sK3),
    inference(cnf_transformation,[],[f25]) ).

fof(f38,plain,
    in(sK4,sK3),
    inference(cnf_transformation,[],[f25]) ).

fof(f39,plain,
    unordered_pair(sK2,sK4) != set_intersection2(unordered_pair(sK2,sK4),sK3),
    inference(cnf_transformation,[],[f25]) ).

cnf(c_56,plain,
    ( ~ subset(X0,X1)
    | set_intersection2(X0,X1) = X0 ),
    inference(cnf_transformation,[],[f33]) ).

cnf(c_57,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | subset(unordered_pair(X2,X0),X1) ),
    inference(cnf_transformation,[],[f36]) ).

cnf(c_60,negated_conjecture,
    set_intersection2(unordered_pair(sK2,sK4),sK3) != unordered_pair(sK2,sK4),
    inference(cnf_transformation,[],[f39]) ).

cnf(c_61,negated_conjecture,
    in(sK4,sK3),
    inference(cnf_transformation,[],[f38]) ).

cnf(c_62,negated_conjecture,
    in(sK2,sK3),
    inference(cnf_transformation,[],[f37]) ).

cnf(c_534,plain,
    ( ~ in(X0,X1)
    | ~ in(X2,X1)
    | set_intersection2(unordered_pair(X2,X0),X1) = unordered_pair(X2,X0) ),
    inference(superposition,[status(thm)],[c_57,c_56]) ).

cnf(c_546,plain,
    ( ~ in(X0,sK3)
    | set_intersection2(unordered_pair(X0,sK4),sK3) = unordered_pair(X0,sK4) ),
    inference(superposition,[status(thm)],[c_61,c_534]) ).

cnf(c_559,plain,
    ( ~ in(sK2,sK3)
    | set_intersection2(unordered_pair(sK2,sK4),sK3) = unordered_pair(sK2,sK4) ),
    inference(instantiation,[status(thm)],[c_546]) ).

cnf(c_560,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_559,c_60,c_62]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET912+1 : TPTP v8.1.2. Released v3.2.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.12/0.34  % Computer : n028.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 : Sat Aug 26 11:03:37 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.19/0.46  Running first-order theorem proving
% 0.19/0.46  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 1.77/1.17  % SZS status Started for theBenchmark.p
% 1.77/1.17  % SZS status Theorem for theBenchmark.p
% 1.77/1.17  
% 1.77/1.17  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.77/1.17  
% 1.77/1.17  ------  iProver source info
% 1.77/1.17  
% 1.77/1.17  git: date: 2023-05-31 18:12:56 +0000
% 1.77/1.17  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.77/1.17  git: non_committed_changes: false
% 1.77/1.17  git: last_make_outside_of_git: false
% 1.77/1.17  
% 1.77/1.17  ------ Parsing...
% 1.77/1.17  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.77/1.17  
% 1.77/1.17  ------ Preprocessing... sup_sim: 1  sf_s  rm: 1 0s  sf_e  pe_s  pe:1:0s pe_e  sup_sim: 0  sf_s  rm: 2 0s  sf_e  pe_s  pe_e 
% 1.77/1.17  
% 1.77/1.17  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.77/1.17  
% 1.77/1.17  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.77/1.17  ------ Proving...
% 1.77/1.17  ------ Problem Properties 
% 1.77/1.17  
% 1.77/1.17  
% 1.77/1.17  clauses                                 13
% 1.77/1.17  conjectures                             2
% 1.77/1.17  EPR                                     5
% 1.77/1.17  Horn                                    13
% 1.77/1.17  unary                                   8
% 1.77/1.17  binary                                  4
% 1.77/1.17  lits                                    19
% 1.77/1.17  lits eq                                 6
% 1.77/1.17  fd_pure                                 0
% 1.77/1.17  fd_pseudo                               0
% 1.77/1.17  fd_cond                                 0
% 1.77/1.17  fd_pseudo_cond                          0
% 1.77/1.17  AC symbols                              0
% 1.77/1.17  
% 1.77/1.17  ------ Schedule dynamic 5 is on 
% 1.77/1.17  
% 1.77/1.17  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.77/1.17  
% 1.77/1.17  
% 1.77/1.17  ------ 
% 1.77/1.17  Current options:
% 1.77/1.17  ------ 
% 1.77/1.17  
% 1.77/1.17  
% 1.77/1.17  
% 1.77/1.17  
% 1.77/1.17  ------ Proving...
% 1.77/1.17  
% 1.77/1.17  
% 1.77/1.17  % SZS status Theorem for theBenchmark.p
% 1.77/1.17  
% 1.77/1.17  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.77/1.17  
% 1.77/1.17  
%------------------------------------------------------------------------------