TSTP Solution File: SET662+3 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SET662+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n027.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 : Wed Aug 31 18:25:16 EDT 2022

% Result   : Theorem 0.19s 0.49s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   59 (  11 unt;   0 def)
%            Number of atoms       :  226 (   1 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  277 ( 110   ~;  98   |;  36   &)
%                                         (  10 <=>;  23  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   5 con; 0-2 aty)
%            Number of variables   :  116 ( 104   !;  12   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f260,plain,
    $false,
    inference(subsumption_resolution,[],[f259,f120]) ).

fof(f120,plain,
    ~ ilf_type(empty_set,sF11),
    inference(definition_folding,[],[f81,f119]) ).

fof(f119,plain,
    sF11 = relation_type(sK0,sK1),
    introduced(function_definition,[]) ).

fof(f81,plain,
    ~ ilf_type(empty_set,relation_type(sK0,sK1)),
    inference(cnf_transformation,[],[f52]) ).

fof(f52,plain,
    ( ~ ilf_type(empty_set,relation_type(sK0,sK1))
    & ilf_type(sK1,set_type)
    & ilf_type(sK0,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f38,f51,f50]) ).

fof(f50,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ~ ilf_type(empty_set,relation_type(X0,X1))
            & ilf_type(X1,set_type) )
        & ilf_type(X0,set_type) )
   => ( ? [X1] :
          ( ~ ilf_type(empty_set,relation_type(sK0,X1))
          & ilf_type(X1,set_type) )
      & ilf_type(sK0,set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f51,plain,
    ( ? [X1] :
        ( ~ ilf_type(empty_set,relation_type(sK0,X1))
        & ilf_type(X1,set_type) )
   => ( ~ ilf_type(empty_set,relation_type(sK0,sK1))
      & ilf_type(sK1,set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f38,plain,
    ? [X0] :
      ( ? [X1] :
          ( ~ ilf_type(empty_set,relation_type(X0,X1))
          & ilf_type(X1,set_type) )
      & ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f23]) ).

fof(f23,negated_conjecture,
    ~ ! [X0] :
        ( ilf_type(X0,set_type)
       => ! [X1] :
            ( ilf_type(X1,set_type)
           => ilf_type(empty_set,relation_type(X0,X1)) ) ),
    inference(negated_conjecture,[],[f22]) ).

fof(f22,conjecture,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ilf_type(empty_set,relation_type(X0,X1)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_relset_1_25) ).

fof(f259,plain,
    ilf_type(empty_set,sF11),
    inference(superposition,[],[f246,f119]) ).

fof(f246,plain,
    ! [X6,X5] : ilf_type(empty_set,relation_type(X5,X6)),
    inference(resolution,[],[f157,f218]) ).

fof(f218,plain,
    ! [X0] : ilf_type(empty_set,subset_type(X0)),
    inference(resolution,[],[f185,f182]) ).

fof(f182,plain,
    ! [X0] : member(empty_set,power_set(X0)),
    inference(resolution,[],[f128,f162]) ).

fof(f162,plain,
    ! [X0] : ~ member(X0,empty_set),
    inference(subsumption_resolution,[],[f95,f103]) ).

fof(f103,plain,
    ! [X0] : ilf_type(X0,set_type),
    inference(cnf_transformation,[],[f21]) ).

fof(f21,axiom,
    ! [X0] : ilf_type(X0,set_type),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p20) ).

fof(f95,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ~ member(X0,empty_set) ),
    inference(cnf_transformation,[],[f28]) ).

fof(f28,plain,
    ! [X0] :
      ( ~ member(X0,empty_set)
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f4]) ).

fof(f4,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ~ member(X0,empty_set) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p4) ).

fof(f128,plain,
    ! [X0,X1] :
      ( member(sK6(X0,X1),X0)
      | member(X0,power_set(X1)) ),
    inference(subsumption_resolution,[],[f127,f103]) ).

fof(f127,plain,
    ! [X0,X1] :
      ( member(X0,power_set(X1))
      | ~ ilf_type(X0,set_type)
      | member(sK6(X0,X1),X0) ),
    inference(subsumption_resolution,[],[f107,f103]) ).

fof(f107,plain,
    ! [X0,X1] :
      ( member(sK6(X0,X1),X0)
      | ~ ilf_type(X1,set_type)
      | member(X0,power_set(X1))
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f65]) ).

fof(f65,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( member(X0,power_set(X1))
              | ( member(sK6(X0,X1),X0)
                & ilf_type(sK6(X0,X1),set_type)
                & ~ member(sK6(X0,X1),X1) ) )
            & ( ! [X3] :
                  ( ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type)
                  | member(X3,X1) )
              | ~ member(X0,power_set(X1)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f63,f64]) ).

fof(f64,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( member(X2,X0)
          & ilf_type(X2,set_type)
          & ~ member(X2,X1) )
     => ( member(sK6(X0,X1),X0)
        & ilf_type(sK6(X0,X1),set_type)
        & ~ member(sK6(X0,X1),X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f63,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( member(X0,power_set(X1))
              | ? [X2] :
                  ( member(X2,X0)
                  & ilf_type(X2,set_type)
                  & ~ member(X2,X1) ) )
            & ( ! [X3] :
                  ( ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type)
                  | member(X3,X1) )
              | ~ member(X0,power_set(X1)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(rectify,[],[f62]) ).

fof(f62,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( member(X0,power_set(X1))
              | ? [X2] :
                  ( member(X2,X0)
                  & ilf_type(X2,set_type)
                  & ~ member(X2,X1) ) )
            & ( ! [X2] :
                  ( ~ member(X2,X0)
                  | ~ ilf_type(X2,set_type)
                  | member(X2,X1) )
              | ~ member(X0,power_set(X1)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f34]) ).

fof(f34,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( member(X0,power_set(X1))
          <=> ! [X2] :
                ( ~ member(X2,X0)
                | ~ ilf_type(X2,set_type)
                | member(X2,X1) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f33]) ).

fof(f33,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( member(X0,power_set(X1))
          <=> ! [X2] :
                ( member(X2,X1)
                | ~ member(X2,X0)
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f13]) ).

fof(f13,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( member(X0,power_set(X1))
          <=> ! [X2] :
                ( ilf_type(X2,set_type)
               => ( member(X2,X0)
                 => member(X2,X1) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p12) ).

fof(f185,plain,
    ! [X0,X1] :
      ( ~ member(X0,power_set(X1))
      | ilf_type(X0,subset_type(X1)) ),
    inference(resolution,[],[f132,f167]) ).

fof(f167,plain,
    ! [X0,X1] :
      ( ilf_type(X0,member_type(X1))
      | ~ member(X0,X1) ),
    inference(subsumption_resolution,[],[f166,f159]) ).

fof(f159,plain,
    ! [X0,X1] :
      ( ~ member(X1,X0)
      | ~ empty(X0) ),
    inference(subsumption_resolution,[],[f158,f103]) ).

fof(f158,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ~ member(X1,X0)
      | ~ empty(X0) ),
    inference(subsumption_resolution,[],[f110,f103]) ).

fof(f110,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type)
      | ~ empty(X0)
      | ~ member(X1,X0) ),
    inference(cnf_transformation,[],[f69]) ).

fof(f69,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ( ( ! [X1] :
              ( ~ ilf_type(X1,set_type)
              | ~ member(X1,X0) )
          | ~ empty(X0) )
        & ( empty(X0)
          | ( ilf_type(sK7(X0),set_type)
            & member(sK7(X0),X0) ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7])],[f67,f68]) ).

fof(f68,plain,
    ! [X0] :
      ( ? [X2] :
          ( ilf_type(X2,set_type)
          & member(X2,X0) )
     => ( ilf_type(sK7(X0),set_type)
        & member(sK7(X0),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f67,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ( ( ! [X1] :
              ( ~ ilf_type(X1,set_type)
              | ~ member(X1,X0) )
          | ~ empty(X0) )
        & ( empty(X0)
          | ? [X2] :
              ( ilf_type(X2,set_type)
              & member(X2,X0) ) ) ) ),
    inference(rectify,[],[f66]) ).

fof(f66,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ( ( ! [X1] :
              ( ~ ilf_type(X1,set_type)
              | ~ member(X1,X0) )
          | ~ empty(X0) )
        & ( empty(X0)
          | ? [X1] :
              ( ilf_type(X1,set_type)
              & member(X1,X0) ) ) ) ),
    inference(nnf_transformation,[],[f45]) ).

fof(f45,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ( ! [X1] :
            ( ~ ilf_type(X1,set_type)
            | ~ member(X1,X0) )
      <=> empty(X0) ) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f12,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ( empty(X0)
      <=> ! [X1] :
            ( ilf_type(X1,set_type)
           => ~ member(X1,X0) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p11) ).

fof(f166,plain,
    ! [X0,X1] :
      ( ilf_type(X0,member_type(X1))
      | empty(X1)
      | ~ member(X0,X1) ),
    inference(subsumption_resolution,[],[f165,f103]) ).

fof(f165,plain,
    ! [X0,X1] :
      ( ~ member(X0,X1)
      | ~ ilf_type(X0,set_type)
      | empty(X1)
      | ilf_type(X0,member_type(X1)) ),
    inference(subsumption_resolution,[],[f101,f103]) ).

fof(f101,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X1,set_type)
      | ~ member(X0,X1)
      | ilf_type(X0,member_type(X1))
      | ~ ilf_type(X0,set_type)
      | empty(X1) ),
    inference(cnf_transformation,[],[f61]) ).

fof(f61,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ! [X1] :
          ( ~ ilf_type(X1,set_type)
          | empty(X1)
          | ( ( ilf_type(X0,member_type(X1))
              | ~ member(X0,X1) )
            & ( member(X0,X1)
              | ~ ilf_type(X0,member_type(X1)) ) ) ) ),
    inference(nnf_transformation,[],[f47]) ).

fof(f47,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ! [X1] :
          ( ~ ilf_type(X1,set_type)
          | empty(X1)
          | ( ilf_type(X0,member_type(X1))
          <=> member(X0,X1) ) ) ),
    inference(flattening,[],[f46]) ).

fof(f46,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ilf_type(X0,member_type(X1))
          <=> member(X0,X1) )
          | empty(X1)
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ( ~ empty(X1)
            & ilf_type(X1,set_type) )
         => ( ilf_type(X0,member_type(X1))
          <=> member(X0,X1) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p14) ).

fof(f132,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X1,member_type(power_set(X0)))
      | ilf_type(X1,subset_type(X0)) ),
    inference(subsumption_resolution,[],[f131,f103]) ).

fof(f131,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ilf_type(X1,subset_type(X0))
      | ~ ilf_type(X1,member_type(power_set(X0))) ),
    inference(subsumption_resolution,[],[f111,f103]) ).

fof(f111,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,member_type(power_set(X0)))
      | ilf_type(X1,subset_type(X0)) ),
    inference(cnf_transformation,[],[f70]) ).

fof(f70,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ! [X1] :
          ( ~ ilf_type(X1,set_type)
          | ( ( ilf_type(X1,member_type(power_set(X0)))
              | ~ ilf_type(X1,subset_type(X0)) )
            & ( ilf_type(X1,subset_type(X0))
              | ~ ilf_type(X1,member_type(power_set(X0))) ) ) ) ),
    inference(nnf_transformation,[],[f29]) ).

fof(f29,plain,
    ! [X0] :
      ( ~ ilf_type(X0,set_type)
      | ! [X1] :
          ( ~ ilf_type(X1,set_type)
          | ( ilf_type(X1,member_type(power_set(X0)))
          <=> ilf_type(X1,subset_type(X0)) ) ) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( ilf_type(X1,member_type(power_set(X0)))
          <=> ilf_type(X1,subset_type(X0)) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p7) ).

fof(f157,plain,
    ! [X2,X0,X1] :
      ( ~ ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ilf_type(X2,relation_type(X0,X1)) ),
    inference(subsumption_resolution,[],[f156,f103]) ).

fof(f156,plain,
    ! [X2,X0,X1] :
      ( ~ ilf_type(X0,set_type)
      | ~ ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ilf_type(X2,relation_type(X0,X1)) ),
    inference(subsumption_resolution,[],[f97,f103]) ).

fof(f97,plain,
    ! [X2,X0,X1] :
      ( ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ilf_type(X2,relation_type(X0,X1)) ),
    inference(cnf_transformation,[],[f30]) ).

fof(f30,plain,
    ! [X0] :
      ( ! [X1] :
          ( ~ ilf_type(X1,set_type)
          | ( ! [X2] :
                ( ilf_type(X2,relation_type(X0,X1))
                | ~ ilf_type(X2,subset_type(cross_product(X0,X1))) )
            & ! [X3] :
                ( ilf_type(X3,subset_type(cross_product(X0,X1)))
                | ~ ilf_type(X3,relation_type(X0,X1)) ) ) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f2,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( ! [X2] :
                ( ilf_type(X2,subset_type(cross_product(X0,X1)))
               => ilf_type(X2,relation_type(X0,X1)) )
            & ! [X3] :
                ( ilf_type(X3,relation_type(X0,X1))
               => ilf_type(X3,subset_type(cross_product(X0,X1))) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',p2) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SET662+3 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.12/0.34  % Computer : n027.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   : Tue Aug 30 14:26:01 EDT 2022
% 0.12/0.34  % CPUTime    : 
% 0.19/0.48  % (11541)ott+4_1:1_av=off:bd=off:nwc=5.0:rp=on:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 0.19/0.48  % (11549)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 0.19/0.48  % (11549)First to succeed.
% 0.19/0.49  % (11549)Refutation found. Thanks to Tanya!
% 0.19/0.49  % SZS status Theorem for theBenchmark
% 0.19/0.49  % SZS output start Proof for theBenchmark
% See solution above
% 0.19/0.49  % (11549)------------------------------
% 0.19/0.49  % (11549)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.19/0.49  % (11549)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.19/0.49  % (11549)Termination reason: Refutation
% 0.19/0.49  
% 0.19/0.49  % (11549)Memory used [KB]: 1023
% 0.19/0.49  % (11549)Time elapsed: 0.079 s
% 0.19/0.49  % (11549)Instructions burned: 7 (million)
% 0.19/0.49  % (11549)------------------------------
% 0.19/0.49  % (11549)------------------------------
% 0.19/0.49  % (11521)Success in time 0.147 s
%------------------------------------------------------------------------------