TSTP Solution File: SET917+1 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET917+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n018.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 15:10:38 EDT 2023

% Result   : Theorem 1.65s 1.14s
% Output   : CNFRefutation 1.65s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   24 (  11 unt;   0 def)
%            Number of atoms       :   39 (  17 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   33 (  18   ~;   8   |;   4   &)
%                                         (   0 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :   30 (   0 sgn;  20   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2,axiom,
    ! [X0,X1] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

fof(f4,axiom,
    ! [X0,X1] :
      ( ~ in(X0,X1)
     => disjoint(singleton(X0),X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l28_zfmisc_1) ).

fof(f5,axiom,
    ! [X0,X1] :
      ( in(X0,X1)
     => singleton(X0) = set_intersection2(X1,singleton(X0)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',l32_zfmisc_1) ).

fof(f9,conjecture,
    ! [X0,X1] :
      ( singleton(X0) = set_intersection2(singleton(X0),X1)
      | disjoint(singleton(X0),X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t58_zfmisc_1) ).

fof(f10,negated_conjecture,
    ~ ! [X0,X1] :
        ( singleton(X0) = set_intersection2(singleton(X0),X1)
        | disjoint(singleton(X0),X1) ),
    inference(negated_conjecture,[],[f9]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( disjoint(singleton(X0),X1)
      | in(X0,X1) ),
    inference(ennf_transformation,[],[f4]) ).

fof(f14,plain,
    ! [X0,X1] :
      ( singleton(X0) = set_intersection2(X1,singleton(X0))
      | ~ in(X0,X1) ),
    inference(ennf_transformation,[],[f5]) ).

fof(f16,plain,
    ? [X0,X1] :
      ( singleton(X0) != set_intersection2(singleton(X0),X1)
      & ~ disjoint(singleton(X0),X1) ),
    inference(ennf_transformation,[],[f10]) ).

fof(f21,plain,
    ( ? [X0,X1] :
        ( singleton(X0) != set_intersection2(singleton(X0),X1)
        & ~ disjoint(singleton(X0),X1) )
   => ( singleton(sK2) != set_intersection2(singleton(sK2),sK3)
      & ~ disjoint(singleton(sK2),sK3) ) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    ( singleton(sK2) != set_intersection2(singleton(sK2),sK3)
    & ~ disjoint(singleton(sK2),sK3) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3])],[f16,f21]) ).

fof(f24,plain,
    ! [X0,X1] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    inference(cnf_transformation,[],[f2]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( disjoint(singleton(X0),X1)
      | in(X0,X1) ),
    inference(cnf_transformation,[],[f13]) ).

fof(f27,plain,
    ! [X0,X1] :
      ( singleton(X0) = set_intersection2(X1,singleton(X0))
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f14]) ).

fof(f31,plain,
    ~ disjoint(singleton(sK2),sK3),
    inference(cnf_transformation,[],[f22]) ).

fof(f32,plain,
    singleton(sK2) != set_intersection2(singleton(sK2),sK3),
    inference(cnf_transformation,[],[f22]) ).

cnf(c_50,plain,
    set_intersection2(X0,X1) = set_intersection2(X1,X0),
    inference(cnf_transformation,[],[f24]) ).

cnf(c_52,plain,
    ( disjoint(singleton(X0),X1)
    | in(X0,X1) ),
    inference(cnf_transformation,[],[f26]) ).

cnf(c_53,plain,
    ( ~ in(X0,X1)
    | set_intersection2(X1,singleton(X0)) = singleton(X0) ),
    inference(cnf_transformation,[],[f27]) ).

cnf(c_57,negated_conjecture,
    set_intersection2(singleton(sK2),sK3) != singleton(sK2),
    inference(cnf_transformation,[],[f32]) ).

cnf(c_58,negated_conjecture,
    ~ disjoint(singleton(sK2),sK3),
    inference(cnf_transformation,[],[f31]) ).

cnf(c_101,plain,
    set_intersection2(sK3,singleton(sK2)) != singleton(sK2),
    inference(demodulation,[status(thm)],[c_57,c_50]) ).

cnf(c_281,plain,
    in(sK2,sK3),
    inference(superposition,[status(thm)],[c_52,c_58]) ).

cnf(c_304,plain,
    set_intersection2(sK3,singleton(sK2)) = singleton(sK2),
    inference(superposition,[status(thm)],[c_281,c_53]) ).

cnf(c_305,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_304,c_101]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : SET917+1 : TPTP v8.1.2. Released v3.2.0.
% 0.10/0.13  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n018.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sat Aug 26 12:22:15 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.21/0.47  Running first-order theorem proving
% 0.21/0.47  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 1.65/1.14  % SZS status Started for theBenchmark.p
% 1.65/1.14  % SZS status Theorem for theBenchmark.p
% 1.65/1.14  
% 1.65/1.14  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 1.65/1.14  
% 1.65/1.14  ------  iProver source info
% 1.65/1.14  
% 1.65/1.14  git: date: 2023-05-31 18:12:56 +0000
% 1.65/1.14  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 1.65/1.14  git: non_committed_changes: false
% 1.65/1.14  git: last_make_outside_of_git: false
% 1.65/1.14  
% 1.65/1.14  ------ Parsing...
% 1.65/1.14  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 1.65/1.14  
% 1.65/1.14  ------ 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 
% 1.65/1.14  
% 1.65/1.14  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 1.65/1.14  
% 1.65/1.14  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 1.65/1.14  ------ Proving...
% 1.65/1.14  ------ Problem Properties 
% 1.65/1.14  
% 1.65/1.14  
% 1.65/1.14  clauses                                 9
% 1.65/1.14  conjectures                             1
% 1.65/1.14  EPR                                     3
% 1.65/1.14  Horn                                    8
% 1.65/1.14  unary                                   5
% 1.65/1.14  binary                                  4
% 1.65/1.14  lits                                    13
% 1.65/1.14  lits eq                                 5
% 1.65/1.14  fd_pure                                 0
% 1.65/1.14  fd_pseudo                               0
% 1.65/1.14  fd_cond                                 0
% 1.65/1.14  fd_pseudo_cond                          0
% 1.65/1.14  AC symbols                              0
% 1.65/1.14  
% 1.65/1.14  ------ Schedule dynamic 5 is on 
% 1.65/1.14  
% 1.65/1.14  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 1.65/1.14  
% 1.65/1.14  
% 1.65/1.14  ------ 
% 1.65/1.14  Current options:
% 1.65/1.14  ------ 
% 1.65/1.14  
% 1.65/1.14  
% 1.65/1.14  
% 1.65/1.14  
% 1.65/1.14  ------ Proving...
% 1.65/1.14  
% 1.65/1.14  
% 1.65/1.14  % SZS status Theorem for theBenchmark.p
% 1.65/1.14  
% 1.65/1.14  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 1.65/1.14  
% 1.65/1.14  
%------------------------------------------------------------------------------