TSTP Solution File: SEU170+2 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SEU170+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 17:04:21 EDT 2023

% Result   : Theorem 14.68s 2.68s
% Output   : CNFRefutation 14.68s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   22
% Syntax   : Number of formulae    :  122 (  53 unt;   0 def)
%            Number of atoms       :  299 (  64 equ)
%            Maximal formula atoms :   12 (   2 avg)
%            Number of connectives :  278 ( 101   ~; 107   |;  45   &)
%                                         (  11 <=>;  13  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   4 con; 0-2 aty)
%            Number of variables   :  212 (   9 sgn; 124   !;  17   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f4,axiom,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k2_xboole_0) ).

fof(f5,axiom,
    ! [X0,X1] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_k3_xboole_0) ).

fof(f6,axiom,
    ! [X0,X1] :
      ( X0 = X1
    <=> ( subset(X1,X0)
        & subset(X0,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d10_xboole_0) ).

fof(f9,axiom,
    ! [X0,X1] :
      ( powerset(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> subset(X2,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_zfmisc_1) ).

fof(f10,axiom,
    ! [X0,X1] :
      ( ( empty(X0)
       => ( element(X1,X0)
        <=> empty(X1) ) )
      & ( ~ empty(X0)
       => ( element(X1,X0)
        <=> in(X1,X0) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_subset_1) ).

fof(f18,axiom,
    ! [X0,X1] :
      ( element(X1,powerset(X0))
     => set_difference(X0,X1) = subset_complement(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_subset_1) ).

fof(f35,axiom,
    ! [X0] : ~ empty(powerset(X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_subset_1) ).

fof(f60,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
     => disjoint(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

fof(f77,axiom,
    ! [X0,X1,X2] :
      ( subset(X0,X1)
     => subset(set_difference(X0,X2),set_difference(X1,X2)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t33_xboole_1) ).

fof(f79,axiom,
    ! [X0,X1] : subset(set_difference(X0,X1),X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t36_xboole_1) ).

fof(f80,axiom,
    ! [X0,X1] :
      ( empty_set = set_difference(X0,X1)
    <=> subset(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_xboole_1) ).

fof(f83,axiom,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X0,set_difference(X1,X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_xboole_1) ).

fof(f85,axiom,
    ! [X0] : set_difference(X0,empty_set) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_boole) ).

fof(f88,axiom,
    ! [X0,X1] : set_difference(X0,X1) = set_difference(set_union2(X0,X1),X1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t40_xboole_1) ).

fof(f89,conjecture,
    ! [X0,X1] :
      ( element(X1,powerset(X0))
     => ! [X2] :
          ( element(X2,powerset(X0))
         => ( disjoint(X1,X2)
          <=> subset(X1,subset_complement(X0,X2)) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t43_subset_1) ).

fof(f90,negated_conjecture,
    ~ ! [X0,X1] :
        ( element(X1,powerset(X0))
       => ! [X2] :
            ( element(X2,powerset(X0))
           => ( disjoint(X1,X2)
            <=> subset(X1,subset_complement(X0,X2)) ) ) ),
    inference(negated_conjecture,[],[f89]) ).

fof(f93,axiom,
    ! [X0,X1] : set_intersection2(X0,X1) = set_difference(X0,set_difference(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t48_xboole_1) ).

fof(f97,axiom,
    ! [X0,X1,X2] :
      ( ( disjoint(X1,X2)
        & subset(X0,X1) )
     => disjoint(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t63_xboole_1) ).

fof(f103,axiom,
    ! [X0,X1] : subset(X0,set_union2(X0,X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_xboole_1) ).

fof(f104,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> set_difference(X0,X1) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t83_xboole_1) ).

fof(f125,plain,
    ! [X0,X1] :
      ( ( ( element(X1,X0)
        <=> empty(X1) )
        | ~ empty(X0) )
      & ( ( element(X1,X0)
        <=> in(X1,X0) )
        | empty(X0) ) ),
    inference(ennf_transformation,[],[f10]) ).

fof(f127,plain,
    ! [X0,X1] :
      ( set_difference(X0,X1) = subset_complement(X0,X1)
      | ~ element(X1,powerset(X0)) ),
    inference(ennf_transformation,[],[f18]) ).

fof(f142,plain,
    ! [X0,X1] :
      ( disjoint(X1,X0)
      | ~ disjoint(X0,X1) ),
    inference(ennf_transformation,[],[f60]) ).

fof(f157,plain,
    ! [X0,X1,X2] :
      ( subset(set_difference(X0,X2),set_difference(X1,X2))
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f77]) ).

fof(f161,plain,
    ? [X0,X1] :
      ( ? [X2] :
          ( ( disjoint(X1,X2)
          <~> subset(X1,subset_complement(X0,X2)) )
          & element(X2,powerset(X0)) )
      & element(X1,powerset(X0)) ),
    inference(ennf_transformation,[],[f90]) ).

fof(f166,plain,
    ! [X0,X1,X2] :
      ( disjoint(X0,X2)
      | ~ disjoint(X1,X2)
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f167,plain,
    ! [X0,X1,X2] :
      ( disjoint(X0,X2)
      | ~ disjoint(X1,X2)
      | ~ subset(X0,X1) ),
    inference(flattening,[],[f166]) ).

fof(f179,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) )
      & ( ( subset(X1,X0)
          & subset(X0,X1) )
        | X0 != X1 ) ),
    inference(nnf_transformation,[],[f6]) ).

fof(f180,plain,
    ! [X0,X1] :
      ( ( X0 = X1
        | ~ subset(X1,X0)
        | ~ subset(X0,X1) )
      & ( ( subset(X1,X0)
          & subset(X0,X1) )
        | X0 != X1 ) ),
    inference(flattening,[],[f179]) ).

fof(f189,plain,
    ! [X0,X1] :
      ( ( powerset(X0) = X1
        | ? [X2] :
            ( ( ~ subset(X2,X0)
              | ~ in(X2,X1) )
            & ( subset(X2,X0)
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | ~ subset(X2,X0) )
            & ( subset(X2,X0)
              | ~ in(X2,X1) ) )
        | powerset(X0) != X1 ) ),
    inference(nnf_transformation,[],[f9]) ).

fof(f190,plain,
    ! [X0,X1] :
      ( ( powerset(X0) = X1
        | ? [X2] :
            ( ( ~ subset(X2,X0)
              | ~ in(X2,X1) )
            & ( subset(X2,X0)
              | in(X2,X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | ~ subset(X3,X0) )
            & ( subset(X3,X0)
              | ~ in(X3,X1) ) )
        | powerset(X0) != X1 ) ),
    inference(rectify,[],[f189]) ).

fof(f191,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ~ subset(X2,X0)
            | ~ in(X2,X1) )
          & ( subset(X2,X0)
            | in(X2,X1) ) )
     => ( ( ~ subset(sK2(X0,X1),X0)
          | ~ in(sK2(X0,X1),X1) )
        & ( subset(sK2(X0,X1),X0)
          | in(sK2(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f192,plain,
    ! [X0,X1] :
      ( ( powerset(X0) = X1
        | ( ( ~ subset(sK2(X0,X1),X0)
            | ~ in(sK2(X0,X1),X1) )
          & ( subset(sK2(X0,X1),X0)
            | in(sK2(X0,X1),X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | ~ subset(X3,X0) )
            & ( subset(X3,X0)
              | ~ in(X3,X1) ) )
        | powerset(X0) != X1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f190,f191]) ).

fof(f193,plain,
    ! [X0,X1] :
      ( ( ( ( element(X1,X0)
            | ~ empty(X1) )
          & ( empty(X1)
            | ~ element(X1,X0) ) )
        | ~ empty(X0) )
      & ( ( ( element(X1,X0)
            | ~ in(X1,X0) )
          & ( in(X1,X0)
            | ~ element(X1,X0) ) )
        | empty(X0) ) ),
    inference(nnf_transformation,[],[f125]) ).

fof(f255,plain,
    ! [X0,X1] :
      ( ( empty_set = set_difference(X0,X1)
        | ~ subset(X0,X1) )
      & ( subset(X0,X1)
        | empty_set != set_difference(X0,X1) ) ),
    inference(nnf_transformation,[],[f80]) ).

fof(f263,plain,
    ? [X0,X1] :
      ( ? [X2] :
          ( ( ~ subset(X1,subset_complement(X0,X2))
            | ~ disjoint(X1,X2) )
          & ( subset(X1,subset_complement(X0,X2))
            | disjoint(X1,X2) )
          & element(X2,powerset(X0)) )
      & element(X1,powerset(X0)) ),
    inference(nnf_transformation,[],[f161]) ).

fof(f264,plain,
    ? [X0,X1] :
      ( ? [X2] :
          ( ( ~ subset(X1,subset_complement(X0,X2))
            | ~ disjoint(X1,X2) )
          & ( subset(X1,subset_complement(X0,X2))
            | disjoint(X1,X2) )
          & element(X2,powerset(X0)) )
      & element(X1,powerset(X0)) ),
    inference(flattening,[],[f263]) ).

fof(f265,plain,
    ( ? [X0,X1] :
        ( ? [X2] :
            ( ( ~ subset(X1,subset_complement(X0,X2))
              | ~ disjoint(X1,X2) )
            & ( subset(X1,subset_complement(X0,X2))
              | disjoint(X1,X2) )
            & element(X2,powerset(X0)) )
        & element(X1,powerset(X0)) )
   => ( ? [X2] :
          ( ( ~ subset(sK25,subset_complement(sK24,X2))
            | ~ disjoint(sK25,X2) )
          & ( subset(sK25,subset_complement(sK24,X2))
            | disjoint(sK25,X2) )
          & element(X2,powerset(sK24)) )
      & element(sK25,powerset(sK24)) ) ),
    introduced(choice_axiom,[]) ).

fof(f266,plain,
    ( ? [X2] :
        ( ( ~ subset(sK25,subset_complement(sK24,X2))
          | ~ disjoint(sK25,X2) )
        & ( subset(sK25,subset_complement(sK24,X2))
          | disjoint(sK25,X2) )
        & element(X2,powerset(sK24)) )
   => ( ( ~ subset(sK25,subset_complement(sK24,sK26))
        | ~ disjoint(sK25,sK26) )
      & ( subset(sK25,subset_complement(sK24,sK26))
        | disjoint(sK25,sK26) )
      & element(sK26,powerset(sK24)) ) ),
    introduced(choice_axiom,[]) ).

fof(f267,plain,
    ( ( ~ subset(sK25,subset_complement(sK24,sK26))
      | ~ disjoint(sK25,sK26) )
    & ( subset(sK25,subset_complement(sK24,sK26))
      | disjoint(sK25,sK26) )
    & element(sK26,powerset(sK24))
    & element(sK25,powerset(sK24)) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK24,sK25,sK26])],[f264,f266,f265]) ).

fof(f271,plain,
    ! [X0,X1] :
      ( ( disjoint(X0,X1)
        | set_difference(X0,X1) != X0 )
      & ( set_difference(X0,X1) = X0
        | ~ disjoint(X0,X1) ) ),
    inference(nnf_transformation,[],[f104]) ).

fof(f279,plain,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X1,X0),
    inference(cnf_transformation,[],[f4]) ).

fof(f280,plain,
    ! [X0,X1] : set_intersection2(X0,X1) = set_intersection2(X1,X0),
    inference(cnf_transformation,[],[f5]) ).

fof(f283,plain,
    ! [X0,X1] :
      ( X0 = X1
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f180]) ).

fof(f290,plain,
    ! [X3,X0,X1] :
      ( subset(X3,X0)
      | ~ in(X3,X1)
      | powerset(X0) != X1 ),
    inference(cnf_transformation,[],[f192]) ).

fof(f294,plain,
    ! [X0,X1] :
      ( in(X1,X0)
      | ~ element(X1,X0)
      | empty(X0) ),
    inference(cnf_transformation,[],[f193]) ).

fof(f339,plain,
    ! [X0,X1] :
      ( set_difference(X0,X1) = subset_complement(X0,X1)
      | ~ element(X1,powerset(X0)) ),
    inference(cnf_transformation,[],[f127]) ).

fof(f346,plain,
    ! [X0] : ~ empty(powerset(X0)),
    inference(cnf_transformation,[],[f35]) ).

fof(f379,plain,
    ! [X0,X1] :
      ( disjoint(X1,X0)
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f142]) ).

fof(f402,plain,
    ! [X2,X0,X1] :
      ( subset(set_difference(X0,X2),set_difference(X1,X2))
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f157]) ).

fof(f405,plain,
    ! [X0,X1] : subset(set_difference(X0,X1),X0),
    inference(cnf_transformation,[],[f79]) ).

fof(f406,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | empty_set != set_difference(X0,X1) ),
    inference(cnf_transformation,[],[f255]) ).

fof(f407,plain,
    ! [X0,X1] :
      ( empty_set = set_difference(X0,X1)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f255]) ).

fof(f413,plain,
    ! [X0,X1] : set_union2(X0,X1) = set_union2(X0,set_difference(X1,X0)),
    inference(cnf_transformation,[],[f83]) ).

fof(f417,plain,
    ! [X0] : set_difference(X0,empty_set) = X0,
    inference(cnf_transformation,[],[f85]) ).

fof(f422,plain,
    ! [X0,X1] : set_difference(X0,X1) = set_difference(set_union2(X0,X1),X1),
    inference(cnf_transformation,[],[f88]) ).

fof(f423,plain,
    element(sK25,powerset(sK24)),
    inference(cnf_transformation,[],[f267]) ).

fof(f424,plain,
    element(sK26,powerset(sK24)),
    inference(cnf_transformation,[],[f267]) ).

fof(f425,plain,
    ( subset(sK25,subset_complement(sK24,sK26))
    | disjoint(sK25,sK26) ),
    inference(cnf_transformation,[],[f267]) ).

fof(f426,plain,
    ( ~ subset(sK25,subset_complement(sK24,sK26))
    | ~ disjoint(sK25,sK26) ),
    inference(cnf_transformation,[],[f267]) ).

fof(f429,plain,
    ! [X0,X1] : set_intersection2(X0,X1) = set_difference(X0,set_difference(X0,X1)),
    inference(cnf_transformation,[],[f93]) ).

fof(f434,plain,
    ! [X2,X0,X1] :
      ( disjoint(X0,X2)
      | ~ disjoint(X1,X2)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f167]) ).

fof(f441,plain,
    ! [X0,X1] : subset(X0,set_union2(X0,X1)),
    inference(cnf_transformation,[],[f103]) ).

fof(f442,plain,
    ! [X0,X1] :
      ( set_difference(X0,X1) = X0
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f271]) ).

fof(f443,plain,
    ! [X0,X1] :
      ( disjoint(X0,X1)
      | set_difference(X0,X1) != X0 ),
    inference(cnf_transformation,[],[f271]) ).

fof(f455,plain,
    ! [X0,X1] : set_difference(X0,set_difference(X0,X1)) = set_difference(X1,set_difference(X1,X0)),
    inference(definition_unfolding,[],[f280,f429,f429]) ).

fof(f518,plain,
    ! [X3,X0] :
      ( subset(X3,X0)
      | ~ in(X3,powerset(X0)) ),
    inference(equality_resolution,[],[f290]) ).

cnf(c_52,plain,
    set_union2(X0,X1) = set_union2(X1,X0),
    inference(cnf_transformation,[],[f279]) ).

cnf(c_53,plain,
    set_difference(X0,set_difference(X0,X1)) = set_difference(X1,set_difference(X1,X0)),
    inference(cnf_transformation,[],[f455]) ).

cnf(c_54,plain,
    ( ~ subset(X0,X1)
    | ~ subset(X1,X0)
    | X0 = X1 ),
    inference(cnf_transformation,[],[f283]) ).

cnf(c_66,plain,
    ( ~ in(X0,powerset(X1))
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f518]) ).

cnf(c_70,plain,
    ( ~ element(X0,X1)
    | in(X0,X1)
    | empty(X1) ),
    inference(cnf_transformation,[],[f294]) ).

cnf(c_112,plain,
    ( ~ element(X0,powerset(X1))
    | set_difference(X1,X0) = subset_complement(X1,X0) ),
    inference(cnf_transformation,[],[f339]) ).

cnf(c_118,plain,
    ~ empty(powerset(X0)),
    inference(cnf_transformation,[],[f346]) ).

cnf(c_151,plain,
    ( ~ disjoint(X0,X1)
    | disjoint(X1,X0) ),
    inference(cnf_transformation,[],[f379]) ).

cnf(c_174,plain,
    ( ~ subset(X0,X1)
    | subset(set_difference(X0,X2),set_difference(X1,X2)) ),
    inference(cnf_transformation,[],[f402]) ).

cnf(c_177,plain,
    subset(set_difference(X0,X1),X0),
    inference(cnf_transformation,[],[f405]) ).

cnf(c_178,plain,
    ( ~ subset(X0,X1)
    | set_difference(X0,X1) = empty_set ),
    inference(cnf_transformation,[],[f407]) ).

cnf(c_179,plain,
    ( set_difference(X0,X1) != empty_set
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f406]) ).

cnf(c_185,plain,
    set_union2(X0,set_difference(X1,X0)) = set_union2(X0,X1),
    inference(cnf_transformation,[],[f413]) ).

cnf(c_189,plain,
    set_difference(X0,empty_set) = X0,
    inference(cnf_transformation,[],[f417]) ).

cnf(c_194,plain,
    set_difference(set_union2(X0,X1),X1) = set_difference(X0,X1),
    inference(cnf_transformation,[],[f422]) ).

cnf(c_195,negated_conjecture,
    ( ~ subset(sK25,subset_complement(sK24,sK26))
    | ~ disjoint(sK25,sK26) ),
    inference(cnf_transformation,[],[f426]) ).

cnf(c_196,negated_conjecture,
    ( subset(sK25,subset_complement(sK24,sK26))
    | disjoint(sK25,sK26) ),
    inference(cnf_transformation,[],[f425]) ).

cnf(c_197,negated_conjecture,
    element(sK26,powerset(sK24)),
    inference(cnf_transformation,[],[f424]) ).

cnf(c_198,negated_conjecture,
    element(sK25,powerset(sK24)),
    inference(cnf_transformation,[],[f423]) ).

cnf(c_205,plain,
    ( ~ subset(X0,X1)
    | ~ disjoint(X1,X2)
    | disjoint(X0,X2) ),
    inference(cnf_transformation,[],[f434]) ).

cnf(c_211,plain,
    subset(X0,set_union2(X0,X1)),
    inference(cnf_transformation,[],[f441]) ).

cnf(c_212,plain,
    ( set_difference(X0,X1) != X0
    | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f443]) ).

cnf(c_213,plain,
    ( ~ disjoint(X0,X1)
    | set_difference(X0,X1) = X0 ),
    inference(cnf_transformation,[],[f442]) ).

cnf(c_6416,plain,
    subset(set_difference(X0,set_difference(X0,X1)),X1),
    inference(superposition,[status(thm)],[c_53,c_177]) ).

cnf(c_6498,plain,
    subset(set_difference(X0,set_difference(X1,set_difference(X1,X0))),set_difference(X0,X1)),
    inference(superposition,[status(thm)],[c_53,c_6416]) ).

cnf(c_6704,plain,
    ( in(sK25,powerset(sK24))
    | empty(powerset(sK24)) ),
    inference(superposition,[status(thm)],[c_198,c_70]) ).

cnf(c_6716,plain,
    in(sK25,powerset(sK24)),
    inference(forward_subsumption_resolution,[status(thm)],[c_6704,c_118]) ).

cnf(c_6758,plain,
    subset(sK25,sK24),
    inference(superposition,[status(thm)],[c_6716,c_66]) ).

cnf(c_6810,plain,
    subset(set_difference(X0,set_difference(set_difference(X0,X1),set_difference(set_difference(X0,X1),X0))),set_difference(X1,set_difference(X1,X0))),
    inference(superposition,[status(thm)],[c_53,c_6498]) ).

cnf(c_7497,plain,
    set_difference(set_difference(X0,X1),X0) = empty_set,
    inference(superposition,[status(thm)],[c_177,c_178]) ).

cnf(c_7498,plain,
    ( set_difference(sK25,subset_complement(sK24,sK26)) = empty_set
    | disjoint(sK25,sK26) ),
    inference(superposition,[status(thm)],[c_196,c_178]) ).

cnf(c_7499,plain,
    set_difference(X0,set_union2(X0,X1)) = empty_set,
    inference(superposition,[status(thm)],[c_211,c_178]) ).

cnf(c_7663,plain,
    subset(set_difference(X0,set_difference(set_difference(X0,X1),empty_set)),set_difference(X1,set_difference(X1,X0))),
    inference(light_normalisation,[status(thm)],[c_6810,c_7497]) ).

cnf(c_7664,plain,
    subset(set_difference(X0,set_difference(X0,X1)),set_difference(X1,set_difference(X1,X0))),
    inference(demodulation,[status(thm)],[c_7663,c_189]) ).

cnf(c_7759,plain,
    set_difference(set_union2(X0,X1),X0) = set_difference(X1,X0),
    inference(superposition,[status(thm)],[c_52,c_194]) ).

cnf(c_7761,plain,
    set_difference(set_union2(X0,X1),set_difference(X1,X0)) = set_difference(X0,set_difference(X1,X0)),
    inference(superposition,[status(thm)],[c_185,c_194]) ).

cnf(c_7850,plain,
    ( set_difference(sK25,subset_complement(sK24,sK26)) = empty_set
    | set_difference(sK25,sK26) = sK25 ),
    inference(superposition,[status(thm)],[c_7498,c_213]) ).

cnf(c_7918,plain,
    ( set_difference(sK25,sK26) = sK25
    | subset(sK25,subset_complement(sK24,sK26)) ),
    inference(superposition,[status(thm)],[c_7850,c_179]) ).

cnf(c_9043,plain,
    ( ~ disjoint(subset_complement(sK24,sK26),X0)
    | disjoint(sK25,X0)
    | disjoint(sK25,sK26) ),
    inference(superposition,[status(thm)],[c_196,c_205]) ).

cnf(c_12709,plain,
    set_difference(sK24,sK26) = subset_complement(sK24,sK26),
    inference(superposition,[status(thm)],[c_197,c_112]) ).

cnf(c_12755,plain,
    ( ~ disjoint(set_difference(sK24,sK26),X0)
    | disjoint(sK25,X0)
    | disjoint(sK25,sK26) ),
    inference(demodulation,[status(thm)],[c_9043,c_12709]) ).

cnf(c_12773,plain,
    ( set_difference(sK25,sK26) = sK25
    | subset(sK25,set_difference(sK24,sK26)) ),
    inference(demodulation,[status(thm)],[c_7918,c_12709]) ).

cnf(c_12780,plain,
    ( ~ subset(sK25,set_difference(sK24,sK26))
    | ~ disjoint(sK25,sK26) ),
    inference(demodulation,[status(thm)],[c_195,c_12709]) ).

cnf(c_25363,plain,
    subset(set_difference(X0,empty_set),set_difference(set_union2(X0,X1),set_difference(set_union2(X0,X1),X0))),
    inference(superposition,[status(thm)],[c_7499,c_7664]) ).

cnf(c_25391,plain,
    subset(X0,set_difference(X0,set_difference(X1,X0))),
    inference(light_normalisation,[status(thm)],[c_25363,c_189,c_7759,c_7761]) ).

cnf(c_26826,plain,
    ( ~ subset(set_difference(X0,set_difference(X1,X0)),X0)
    | set_difference(X0,set_difference(X1,X0)) = X0 ),
    inference(superposition,[status(thm)],[c_25391,c_54]) ).

cnf(c_26852,plain,
    set_difference(X0,set_difference(X1,X0)) = X0,
    inference(forward_subsumption_resolution,[status(thm)],[c_26826,c_177]) ).

cnf(c_43569,plain,
    disjoint(X0,set_difference(X1,X0)),
    inference(superposition,[status(thm)],[c_26852,c_212]) ).

cnf(c_43788,plain,
    disjoint(set_difference(X0,X1),X1),
    inference(superposition,[status(thm)],[c_43569,c_151]) ).

cnf(c_43955,plain,
    disjoint(sK25,sK26),
    inference(superposition,[status(thm)],[c_43788,c_12755]) ).

cnf(c_43958,plain,
    ~ subset(sK25,set_difference(sK24,sK26)),
    inference(backward_subsumption_resolution,[status(thm)],[c_12780,c_43955]) ).

cnf(c_43960,plain,
    set_difference(sK25,sK26) = sK25,
    inference(backward_subsumption_resolution,[status(thm)],[c_12773,c_43958]) ).

cnf(c_44159,plain,
    ( ~ subset(sK25,X0)
    | subset(sK25,set_difference(X0,sK26)) ),
    inference(superposition,[status(thm)],[c_43960,c_174]) ).

cnf(c_60537,plain,
    ~ subset(sK25,sK24),
    inference(superposition,[status(thm)],[c_44159,c_43958]) ).

cnf(c_60538,plain,
    $false,
    inference(forward_subsumption_resolution,[status(thm)],[c_60537,c_6758]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU170+2 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.12  % Command  : run_iprover %s %d THM
% 0.14/0.33  % Computer : n016.cluster.edu
% 0.14/0.33  % Model    : x86_64 x86_64
% 0.14/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.33  % Memory   : 8042.1875MB
% 0.14/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33  % CPULimit : 300
% 0.14/0.33  % WCLimit  : 300
% 0.14/0.33  % DateTime : Wed Aug 23 13:14:37 EDT 2023
% 0.14/0.33  % CPUTime  : 
% 0.18/0.46  Running first-order theorem proving
% 0.18/0.46  Running: /export/starexec/sandbox2/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 14.68/2.68  % SZS status Started for theBenchmark.p
% 14.68/2.68  % SZS status Theorem for theBenchmark.p
% 14.68/2.68  
% 14.68/2.68  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 14.68/2.68  
% 14.68/2.68  ------  iProver source info
% 14.68/2.68  
% 14.68/2.68  git: date: 2023-05-31 18:12:56 +0000
% 14.68/2.68  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 14.68/2.68  git: non_committed_changes: false
% 14.68/2.68  git: last_make_outside_of_git: false
% 14.68/2.68  
% 14.68/2.68  ------ Parsing...
% 14.68/2.68  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 14.68/2.68  
% 14.68/2.68  ------ Preprocessing... sup_sim: 5  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 
% 14.68/2.68  
% 14.68/2.68  ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e 
% 14.68/2.68  
% 14.68/2.68  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 14.68/2.68  ------ Proving...
% 14.68/2.68  ------ Problem Properties 
% 14.68/2.68  
% 14.68/2.68  
% 14.68/2.68  clauses                                 152
% 14.68/2.68  conjectures                             4
% 14.68/2.68  EPR                                     25
% 14.68/2.68  Horn                                    120
% 14.68/2.68  unary                                   33
% 14.68/2.68  binary                                  67
% 14.68/2.68  lits                                    330
% 14.68/2.68  lits eq                                 83
% 14.68/2.68  fd_pure                                 0
% 14.68/2.68  fd_pseudo                               0
% 14.68/2.68  fd_cond                                 3
% 14.68/2.68  fd_pseudo_cond                          35
% 14.68/2.68  AC symbols                              0
% 14.68/2.68  
% 14.68/2.68  ------ Schedule dynamic 5 is on 
% 14.68/2.68  
% 14.68/2.68  ------ Input Options "--resolution_flag false --inst_lit_sel_side none" Time Limit: 10.
% 14.68/2.68  
% 14.68/2.68  
% 14.68/2.68  ------ 
% 14.68/2.68  Current options:
% 14.68/2.68  ------ 
% 14.68/2.68  
% 14.68/2.68  
% 14.68/2.68  
% 14.68/2.68  
% 14.68/2.68  ------ Proving...
% 14.68/2.68  
% 14.68/2.68  
% 14.68/2.68  % SZS status Theorem for theBenchmark.p
% 14.68/2.68  
% 14.68/2.68  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 14.68/2.68  
% 14.68/2.69  
%------------------------------------------------------------------------------