TSTP Solution File: SEU141+2 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU141+2 : TPTP v8.1.2. Released v3.3.0.
% 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 17:04:01 EDT 2023

% Result   : Theorem 3.27s 1.15s
% Output   : CNFRefutation 3.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   48 (  17 unt;   0 def)
%            Number of atoms       :  105 (  52 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   95 (  38   ~;  39   |;  11   &)
%                                         (   5 <=>;   1  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    7 (   3 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   :   62 (   1 sgn;  43   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f5,axiom,
    ! [X0,X1] :
      ( X0 = X1
    <=> ( subset(X1,X0)
        & subset(X0,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d10_xboole_0) ).

fof(f11,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> set_intersection2(X0,X1) = empty_set ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',d7_xboole_0) ).

fof(f35,axiom,
    ! [X0] : empty_set = set_intersection2(X0,empty_set),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_boole) ).

fof(f39,axiom,
    ! [X0,X1] : subset(set_difference(X0,X1),X0),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t36_xboole_1) ).

fof(f40,axiom,
    ! [X0,X1] :
      ( empty_set = set_difference(X0,X1)
    <=> subset(X0,X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t37_xboole_1) ).

fof(f42,axiom,
    ! [X0] : set_difference(X0,empty_set) = X0,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t3_boole) ).

fof(f47,axiom,
    ! [X0,X1] : set_intersection2(X0,X1) = set_difference(X0,set_difference(X0,X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t48_xboole_1) ).

fof(f55,conjecture,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> set_difference(X0,X1) = X0 ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',t83_xboole_1) ).

fof(f56,negated_conjecture,
    ~ ! [X0,X1] :
        ( disjoint(X0,X1)
      <=> set_difference(X0,X1) = X0 ),
    inference(negated_conjecture,[],[f55]) ).

fof(f92,plain,
    ? [X0,X1] :
      ( disjoint(X0,X1)
    <~> set_difference(X0,X1) = X0 ),
    inference(ennf_transformation,[],[f56]) ).

fof(f96,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) )
      & ( ( subset(X1,X0)
          & subset(X0,X1) )
        | X0 != X1 ) ),
    inference(nnf_transformation,[],[f5]) ).

fof(f97,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) )
      & ( ( subset(X1,X0)
          & subset(X0,X1) )
        | X0 != X1 ) ),
    inference(flattening,[],[f96]) ).

fof(f121,plain,
    ! [X0,X1] :
      ( ( disjoint(X0,X1)
        | set_intersection2(X0,X1) != empty_set )
      & ( set_intersection2(X0,X1) = empty_set
        | ~ disjoint(X0,X1) ) ),
    inference(nnf_transformation,[],[f11]) ).

fof(f130,plain,
    ! [X0,X1] :
      ( ( empty_set = set_difference(X0,X1)
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | empty_set != set_difference(X0,X1) ) ),
    inference(nnf_transformation,[],[f40]) ).

fof(f135,plain,
    ? [X0,X1] :
      ( ( set_difference(X0,X1) != X0
        | ~ disjoint(X0,X1) )
      & ( set_difference(X0,X1) = X0
        | disjoint(X0,X1) ) ),
    inference(nnf_transformation,[],[f92]) ).

fof(f136,plain,
    ( ? [X0,X1] :
        ( ( set_difference(X0,X1) != X0
          | ~ disjoint(X0,X1) )
        & ( set_difference(X0,X1) = X0
          | disjoint(X0,X1) ) )
   => ( ( sK10 != set_difference(sK10,sK11)
        | ~ disjoint(sK10,sK11) )
      & ( sK10 = set_difference(sK10,sK11)
        | disjoint(sK10,sK11) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f137,plain,
    ( ( sK10 != set_difference(sK10,sK11)
      | ~ disjoint(sK10,sK11) )
    & ( sK10 = set_difference(sK10,sK11)
      | disjoint(sK10,sK11) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK10,sK11])],[f135,f136]) ).

fof(f144,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f97]) ).

fof(f168,plain,
    ! [X0,X1] :
      ( set_intersection2(X0,X1) = empty_set
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f121]) ).

fof(f169,plain,
    ! [X0,X1] :
      ( disjoint(X0,X1)
      | set_intersection2(X0,X1) != empty_set ),
    inference(cnf_transformation,[],[f121]) ).

fof(f190,plain,
    ! [X0] : empty_set = set_intersection2(X0,empty_set),
    inference(cnf_transformation,[],[f35]) ).

fof(f195,plain,
    ! [X0,X1] : subset(set_difference(X0,X1),X0),
    inference(cnf_transformation,[],[f39]) ).

fof(f196,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | empty_set != set_difference(X0,X1) ),
    inference(cnf_transformation,[],[f130]) ).

fof(f199,plain,
    ! [X0] : set_difference(X0,empty_set) = X0,
    inference(cnf_transformation,[],[f42]) ).

fof(f206,plain,
    ! [X0,X1] : set_intersection2(X0,X1) = set_difference(X0,set_difference(X0,X1)),
    inference(cnf_transformation,[],[f47]) ).

fof(f215,plain,
    ( sK10 = set_difference(sK10,sK11)
    | disjoint(sK10,sK11) ),
    inference(cnf_transformation,[],[f137]) ).

fof(f216,plain,
    ( sK10 != set_difference(sK10,sK11)
    | ~ disjoint(sK10,sK11) ),
    inference(cnf_transformation,[],[f137]) ).

fof(f226,plain,
    ! [X0,X1] :
      ( disjoint(X0,X1)
      | empty_set != set_difference(X0,set_difference(X0,X1)) ),
    inference(definition_unfolding,[],[f169,f206]) ).

fof(f227,plain,
    ! [X0,X1] :
      ( empty_set = set_difference(X0,set_difference(X0,X1))
      | ~ disjoint(X0,X1) ),
    inference(definition_unfolding,[],[f168,f206]) ).

fof(f233,plain,
    ! [X0] : empty_set = set_difference(X0,set_difference(X0,empty_set)),
    inference(definition_unfolding,[],[f190,f206]) ).

cnf(c_53,plain,
    ( ~ subset(X0,X1)
    | ~ subset(X1,X0)
    | X0 = X1 ),
    inference(cnf_transformation,[],[f144]) ).

cnf(c_79,plain,
    ( set_difference(X0,set_difference(X0,X1)) != empty_set
    | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f226]) ).

cnf(c_80,plain,
    ( ~ disjoint(X0,X1)
    | set_difference(X0,set_difference(X0,X1)) = empty_set ),
    inference(cnf_transformation,[],[f227]) ).

cnf(c_101,plain,
    set_difference(X0,set_difference(X0,empty_set)) = empty_set,
    inference(cnf_transformation,[],[f233]) ).

cnf(c_106,plain,
    subset(set_difference(X0,X1),X0),
    inference(cnf_transformation,[],[f195]) ).

cnf(c_108,plain,
    ( set_difference(X0,X1) != empty_set
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f196]) ).

cnf(c_110,plain,
    set_difference(X0,empty_set) = X0,
    inference(cnf_transformation,[],[f199]) ).

cnf(c_125,negated_conjecture,
    ( set_difference(sK10,sK11) != sK10
    | ~ disjoint(sK10,sK11) ),
    inference(cnf_transformation,[],[f216]) ).

cnf(c_126,negated_conjecture,
    ( set_difference(sK10,sK11) = sK10
    | disjoint(sK10,sK11) ),
    inference(cnf_transformation,[],[f215]) ).

cnf(c_733,plain,
    set_difference(X0,X0) = empty_set,
    inference(light_normalisation,[status(thm)],[c_101,c_110]) ).

cnf(c_3645,plain,
    ( ~ subset(set_difference(sK10,sK11),sK10)
    | ~ subset(sK10,set_difference(sK10,sK11))
    | set_difference(sK10,sK11) = sK10 ),
    inference(instantiation,[status(thm)],[c_53]) ).

cnf(c_4466,plain,
    subset(set_difference(sK10,sK11),sK10),
    inference(instantiation,[status(thm)],[c_106]) ).

cnf(c_5594,plain,
    ( set_difference(sK10,set_difference(sK10,sK11)) = empty_set
    | set_difference(sK10,sK11) = sK10 ),
    inference(superposition,[status(thm)],[c_126,c_80]) ).

cnf(c_6043,plain,
    ( set_difference(sK10,sK11) = sK10
    | subset(sK10,set_difference(sK10,sK11)) ),
    inference(superposition,[status(thm)],[c_5594,c_108]) ).

cnf(c_6129,plain,
    set_difference(sK10,sK11) = sK10,
    inference(global_subsumption_just,[status(thm)],[c_6043,c_3645,c_4466,c_6043]) ).

cnf(c_6139,plain,
    ( set_difference(sK10,sK10) != empty_set
    | disjoint(sK10,sK11) ),
    inference(superposition,[status(thm)],[c_6129,c_79]) ).

cnf(c_6183,plain,
    disjoint(sK10,sK11),
    inference(forward_subsumption_resolution,[status(thm)],[c_6139,c_733]) ).

cnf(c_6184,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_6183,c_6129,c_125]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU141+2 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.13  % Command  : run_iprover %s %d THM
% 0.14/0.35  % Computer : n016.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Wed Aug 23 14:21:07 EDT 2023
% 0.14/0.35  % 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
% 3.27/1.15  % SZS status Started for theBenchmark.p
% 3.27/1.15  % SZS status Theorem for theBenchmark.p
% 3.27/1.15  
% 3.27/1.15  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 3.27/1.15  
% 3.27/1.15  ------  iProver source info
% 3.27/1.15  
% 3.27/1.15  git: date: 2023-05-31 18:12:56 +0000
% 3.27/1.15  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 3.27/1.15  git: non_committed_changes: false
% 3.27/1.15  git: last_make_outside_of_git: false
% 3.27/1.15  
% 3.27/1.15  ------ Parsing...
% 3.27/1.15  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 3.27/1.15  
% 3.27/1.15  ------ Preprocessing... sup_sim: 3  sf_s  rm: 1 0s  sf_e  pe_s  pe_e  sup_sim: 0  sf_s  rm: 1 0s  sf_e  pe_s  pe_e 
% 3.27/1.15  
% 3.27/1.15  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 3.27/1.15  
% 3.27/1.15  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 3.27/1.15  ------ Proving...
% 3.27/1.15  ------ Problem Properties 
% 3.27/1.15  
% 3.27/1.15  
% 3.27/1.15  clauses                                 72
% 3.27/1.15  conjectures                             2
% 3.27/1.15  EPR                                     21
% 3.27/1.15  Horn                                    56
% 3.27/1.15  unary                                   18
% 3.27/1.15  binary                                  31
% 3.27/1.15  lits                                    152
% 3.27/1.15  lits eq                                 34
% 3.27/1.15  fd_pure                                 0
% 3.27/1.15  fd_pseudo                               0
% 3.27/1.15  fd_cond                                 3
% 3.27/1.15  fd_pseudo_cond                          14
% 3.27/1.15  AC symbols                              0
% 3.27/1.15  
% 3.27/1.15  ------ Schedule dynamic 5 is on 
% 3.27/1.15  
% 3.27/1.15  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 3.27/1.15  
% 3.27/1.15  
% 3.27/1.15  ------ 
% 3.27/1.15  Current options:
% 3.27/1.15  ------ 
% 3.27/1.15  
% 3.27/1.15  
% 3.27/1.15  
% 3.27/1.15  
% 3.27/1.15  ------ Proving...
% 3.27/1.15  
% 3.27/1.15  
% 3.27/1.15  % SZS status Theorem for theBenchmark.p
% 3.27/1.15  
% 3.27/1.15  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 3.27/1.15  
% 3.27/1.15  
%------------------------------------------------------------------------------