TSTP Solution File: DAT028_1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : DAT028_1 : TPTP v8.2.0. Released v5.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n003.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 : Mon May 20 19:51:04 EDT 2024

% Result   : Theorem 0.22s 0.39s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :   30
% Syntax   : Number of formulae    :  149 (  44 unt;   9 typ;   0 def)
%            Number of atoms       :  342 (  48 equ)
%            Maximal formula atoms :   14 (   2 avg)
%            Number of connectives :  327 ( 125   ~; 133   |;  46   &)
%                                         (   4 <=>;  19  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number arithmetic     :  626 ( 198 atm;  60 fun; 180 num; 188 var)
%            Number of types       :    3 (   1 usr;   1 ari)
%            Number of type conns  :    7 (   4   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :    5 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (   7 usr;   7 con; 0-2 aty)
%            Number of variables   :  226 ( 202   !;  24   ?; 226   :)

% Comments : 
%------------------------------------------------------------------------------
tff(type_def_5,type,
    collection: $tType ).

tff(func_def_0,type,
    empty: collection ).

tff(func_def_1,type,
    add: ( $int * collection ) > collection ).

tff(func_def_2,type,
    remove: ( $int * collection ) > collection ).

tff(func_def_7,type,
    sK0: collection ).

tff(func_def_8,type,
    sK1: collection ).

tff(func_def_9,type,
    sK2: $int ).

tff(func_def_10,type,
    sK3: $int > $int ).

tff(pred_def_1,type,
    in: ( $int * collection ) > $o ).

tff(f218,plain,
    $false,
    inference(global_subsumption,[],[f17,f12,f10,f51,f45,f50,f52,f40,f41,f14,f42,f37,f11,f19,f43,f44,f38,f39,f13,f54,f53,f56,f55,f9,f18,f70,f68,f74,f73,f72,f20,f87,f46,f89,f48,f69,f97,f98,f106,f86,f111,f112,f113,f120,f123,f118,f85,f127,f128,f91,f132,f133,f15,f135,f136,f137,f138,f139,f140,f142,f143,f145,f144,f149,f148,f146,f150,f151,f154,f158,f153,f159,f161,f163,f162,f141,f168,f169,f172,f16,f174,f175,f176,f177,f178,f180,f201,f184,f185,f187,f188,f189,f190,f191,f202,f193,f203,f197,f198,f200,f204,f206,f207,f208]) ).

tff(f208,plain,
    ~ $less(sK3(1),1),
    inference(superposition,[],[f118,f200]) ).

tff(f207,plain,
    $less(0,sK3(1)),
    inference(superposition,[],[f56,f200]) ).

tff(f206,plain,
    $less(sK3(1),1),
    inference(superposition,[],[f54,f200]) ).

tff(f204,plain,
    in(1,sK0),
    inference(superposition,[],[f40,f200]) ).

tff(f200,plain,
    1 = sK2,
    inference(subsumption_resolution,[],[f179,f150]) ).

tff(f179,plain,
    ( $less(sK2,1)
    | ( 1 = sK2 ) ),
    inference(resolution,[],[f16,f41]) ).

tff(f198,plain,
    ! [X0: $int] :
      ( $less(X0,-1)
      | ( -1 = X0 )
      | ~ $less(X0,0) ),
    inference(resolution,[],[f16,f89]) ).

tff(f197,plain,
    ( $less(1,sK3(sK2))
    | ( 1 = sK3(sK2) ) ),
    inference(resolution,[],[f16,f118]) ).

tff(f203,plain,
    1 = sK2,
    inference(subsumption_resolution,[],[f194,f41]) ).

tff(f194,plain,
    ( $less(1,sK2)
    | ( 1 = sK2 ) ),
    inference(resolution,[],[f16,f150]) ).

tff(f193,plain,
    ! [X0: $int] :
      ( $less(0,$sum(X0,1))
      | ( 0 = $sum(X0,1) )
      | $less(X0,-1) ),
    inference(resolution,[],[f16,f91]) ).

tff(f202,plain,
    1 = sK2,
    inference(subsumption_resolution,[],[f192,f150]) ).

tff(f192,plain,
    ( $less(sK2,1)
    | ( 1 = sK2 ) ),
    inference(resolution,[],[f16,f41]) ).

tff(f191,plain,
    ! [X0: $int] :
      ( $less(X0,0)
      | ( 0 = X0 )
      | ~ $less(X0,1) ),
    inference(resolution,[],[f16,f113]) ).

tff(f190,plain,
    ! [X0: $int] :
      ( $less(sK3(sK2),X0)
      | ( sK3(sK2) = X0 )
      | $less(X0,sK2) ),
    inference(resolution,[],[f16,f144]) ).

tff(f189,plain,
    ! [X0: $int,X1: $int] :
      ( $less($sum(1,X0),X1)
      | ( $sum(1,X0) = X1 )
      | ~ $less(X0,X1) ),
    inference(resolution,[],[f16,f86]) ).

tff(f188,plain,
    ! [X0: $int,X1: $int] :
      ( $less($sum(X0,1),X1)
      | ( $sum(X0,1) = X1 )
      | ~ $less(X0,X1) ),
    inference(resolution,[],[f16,f20]) ).

tff(f187,plain,
    ! [X2: $int,X0: $int,X1: $int] :
      ( $less(X0,X1)
      | ( X0 = X1 )
      | ~ $less(X2,X1)
      | $less(X2,X0) ),
    inference(resolution,[],[f16,f15]) ).

tff(f185,plain,
    ! [X0: $int] :
      ( $less(X0,-1)
      | ( -1 = X0 )
      | ~ $less(X0,0) ),
    inference(resolution,[],[f16,f89]) ).

tff(f184,plain,
    ( $less(1,sK3(sK2))
    | ( 1 = sK3(sK2) ) ),
    inference(resolution,[],[f16,f118]) ).

tff(f201,plain,
    1 = sK2,
    inference(subsumption_resolution,[],[f181,f41]) ).

tff(f181,plain,
    ( $less(1,sK2)
    | ( 1 = sK2 ) ),
    inference(resolution,[],[f16,f150]) ).

tff(f180,plain,
    ! [X0: $int] :
      ( $less(0,$sum(X0,1))
      | ( 0 = $sum(X0,1) )
      | $less(X0,-1) ),
    inference(resolution,[],[f16,f91]) ).

tff(f178,plain,
    ! [X0: $int] :
      ( $less(X0,0)
      | ( 0 = X0 )
      | ~ $less(X0,1) ),
    inference(resolution,[],[f16,f113]) ).

tff(f177,plain,
    ! [X0: $int] :
      ( $less(sK3(sK2),X0)
      | ( sK3(sK2) = X0 )
      | $less(X0,sK2) ),
    inference(resolution,[],[f16,f144]) ).

tff(f176,plain,
    ! [X0: $int,X1: $int] :
      ( $less($sum(1,X0),X1)
      | ( $sum(1,X0) = X1 )
      | ~ $less(X0,X1) ),
    inference(resolution,[],[f16,f86]) ).

tff(f175,plain,
    ! [X0: $int,X1: $int] :
      ( $less($sum(X0,1),X1)
      | ( $sum(X0,1) = X1 )
      | ~ $less(X0,X1) ),
    inference(resolution,[],[f16,f20]) ).

tff(f174,plain,
    ! [X2: $int,X0: $int,X1: $int] :
      ( $less(X0,X1)
      | ( X0 = X1 )
      | ~ $less(X2,X1)
      | $less(X2,X0) ),
    inference(resolution,[],[f16,f15]) ).

tff(f16,plain,
    ! [X0: $int,X1: $int] :
      ( $less(X1,X0)
      | $less(X0,X1)
      | ( X0 = X1 ) ),
    introduced(theory_axiom_144,[]) ).

tff(f172,plain,
    ~ $less(sK3(sK2),0),
    inference(evaluation,[],[f171]) ).

tff(f171,plain,
    ( ~ $less(-1,0)
    | ~ $less(sK3(sK2),0) ),
    inference(resolution,[],[f141,f89]) ).

tff(f169,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,0)
      | ~ $less(X1,X0)
      | $less(X1,sK3(sK2)) ),
    inference(resolution,[],[f141,f15]) ).

tff(f168,plain,
    ~ $less(sK3(sK2),0),
    inference(resolution,[],[f141,f14]) ).

tff(f141,plain,
    ! [X0: $int] :
      ( $less(X0,sK3(sK2))
      | ~ $less(X0,0) ),
    inference(resolution,[],[f15,f56]) ).

tff(f162,plain,
    ~ $less(sK2,-1),
    inference(resolution,[],[f161,f14]) ).

tff(f163,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,-1)
      | ~ $less(X1,X0)
      | $less(X1,sK2) ),
    inference(resolution,[],[f161,f15]) ).

tff(f161,plain,
    ! [X0: $int] :
      ( $less(X0,sK2)
      | ~ $less(X0,-1) ),
    inference(resolution,[],[f159,f15]) ).

tff(f159,plain,
    $less(-1,sK2),
    inference(resolution,[],[f153,f72]) ).

tff(f153,plain,
    ~ $less(sK2,0),
    inference(resolution,[],[f151,f14]) ).

tff(f158,plain,
    ~ $less(sK2,0),
    inference(evaluation,[],[f157]) ).

tff(f157,plain,
    ( ~ $less(-1,0)
    | ~ $less(sK2,0) ),
    inference(resolution,[],[f151,f89]) ).

tff(f154,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,0)
      | ~ $less(X1,X0)
      | $less(X1,sK2) ),
    inference(resolution,[],[f151,f15]) ).

tff(f151,plain,
    ! [X0: $int] :
      ( $less(X0,sK2)
      | ~ $less(X0,0) ),
    inference(resolution,[],[f146,f15]) ).

tff(f150,plain,
    ~ $less(sK2,1),
    inference(resolution,[],[f146,f113]) ).

tff(f146,plain,
    $less(0,sK2),
    inference(resolution,[],[f144,f56]) ).

tff(f148,plain,
    ( $less(-1,sK2)
    | $less(sK3(sK2),0) ),
    inference(resolution,[],[f144,f72]) ).

tff(f149,plain,
    $less(0,sK2),
    inference(subsumption_resolution,[],[f147,f118]) ).

tff(f147,plain,
    ( $less(0,sK2)
    | $less(sK3(sK2),1) ),
    inference(resolution,[],[f144,f98]) ).

tff(f144,plain,
    ! [X0: $int] :
      ( ~ $less(X0,sK3(sK2))
      | $less(X0,sK2) ),
    inference(resolution,[],[f15,f54]) ).

tff(f145,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,-1)
      | $less(X0,X1)
      | $less(X1,0) ),
    inference(resolution,[],[f15,f72]) ).

tff(f143,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,$sum(X1,1))
      | $less(X0,0)
      | ~ $less(X1,-1) ),
    inference(resolution,[],[f15,f85]) ).

tff(f142,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,0)
      | $less(X0,X1)
      | $less(X1,1) ),
    inference(resolution,[],[f15,f98]) ).

tff(f140,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,X1)
      | $less(X0,1)
      | $less(0,X1) ),
    inference(resolution,[],[f15,f98]) ).

tff(f139,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,X1)
      | $less(X0,0)
      | $less(-1,X1) ),
    inference(resolution,[],[f15,f72]) ).

tff(f138,plain,
    ! [X2: $int,X0: $int,X1: $int] :
      ( ~ $less(X0,X1)
      | $less(X0,$sum(1,X2))
      | $less(X2,X1) ),
    inference(resolution,[],[f15,f69]) ).

tff(f137,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,X1)
      | $less(X0,$sum(1,X1)) ),
    inference(resolution,[],[f15,f73]) ).

tff(f136,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X0,X1)
      | $less(X0,$sum(X1,1)) ),
    inference(resolution,[],[f15,f68]) ).

tff(f135,plain,
    ! [X2: $int,X0: $int,X1: $int] :
      ( ~ $less(X0,X1)
      | $less(X0,$sum(X2,1))
      | $less(X2,X1) ),
    inference(resolution,[],[f15,f18]) ).

tff(f15,plain,
    ! [X2: $int,X0: $int,X1: $int] :
      ( ~ $less(X1,X2)
      | ~ $less(X0,X1)
      | $less(X0,X2) ),
    introduced(theory_axiom_143,[]) ).

tff(f133,plain,
    ! [X0: $int] :
      ( ~ $less($sum(1,X0),0)
      | $less(X0,-1) ),
    inference(superposition,[],[f91,f9]) ).

tff(f132,plain,
    ! [X0: $int] :
      ( ~ $less($sum(1,X0),0)
      | $less(X0,-1) ),
    inference(superposition,[],[f91,f9]) ).

tff(f91,plain,
    ! [X0: $int] :
      ( ~ $less($sum(X0,1),0)
      | $less(X0,-1) ),
    inference(resolution,[],[f89,f18]) ).

tff(f128,plain,
    ! [X0: $int] :
      ( $less($sum(1,X0),0)
      | ~ $less(X0,-1) ),
    inference(superposition,[],[f85,f9]) ).

tff(f127,plain,
    ! [X0: $int] :
      ( $less($sum(1,X0),0)
      | ~ $less(X0,-1) ),
    inference(superposition,[],[f85,f9]) ).

tff(f85,plain,
    ! [X0: $int] :
      ( $less($sum(X0,1),0)
      | ~ $less(X0,-1) ),
    inference(resolution,[],[f20,f72]) ).

tff(f118,plain,
    ~ $less(sK3(sK2),1),
    inference(resolution,[],[f113,f56]) ).

tff(f123,plain,
    ! [X0: $int] :
      ( ~ $less($sum(1,X0),1)
      | $less(X0,0) ),
    inference(resolution,[],[f113,f69]) ).

tff(f120,plain,
    ! [X0: $int] :
      ( ~ $less($sum(X0,1),1)
      | $less(X0,0) ),
    inference(resolution,[],[f113,f18]) ).

tff(f113,plain,
    ! [X0: $int] :
      ( ~ $less(0,X0)
      | ~ $less(X0,1) ),
    inference(superposition,[],[f86,f11]) ).

tff(f112,plain,
    ! [X0: $int] :
      ( ~ $less(X0,-1)
      | $less($sum(1,X0),0) ),
    inference(resolution,[],[f86,f72]) ).

tff(f111,plain,
    ! [X0: $int] :
      ( ~ $less(X0,0)
      | $less($sum(1,X0),1) ),
    inference(resolution,[],[f86,f98]) ).

tff(f86,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X1,$sum(1,X0))
      | ~ $less(X0,X1) ),
    inference(superposition,[],[f20,f9]) ).

tff(f106,plain,
    ! [X0: $int] :
      ( $less($sum(X0,1),1)
      | ~ $less(X0,0) ),
    inference(resolution,[],[f98,f20]) ).

tff(f98,plain,
    ! [X0: $int] :
      ( $less(X0,1)
      | $less(0,X0) ),
    inference(superposition,[],[f69,f11]) ).

tff(f97,plain,
    ! [X0: $int] :
      ( $less(X0,-1)
      | ~ $less($sum(1,X0),0) ),
    inference(resolution,[],[f69,f89]) ).

tff(f69,plain,
    ! [X0: $int,X1: $int] :
      ( $less(X1,$sum(1,X0))
      | $less(X0,X1) ),
    inference(superposition,[],[f18,f9]) ).

tff(f48,plain,
    ! [X2: $int,X0: $int,X1: collection] :
      ( in(X0,add(X2,X1))
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f36]) ).

tff(f36,plain,
    ! [X0: $int,X1: collection,X2: $int] :
      ( ( ( X0 = X2 )
        | in(X0,X1)
        | ~ in(X0,add(X2,X1)) )
      & ( in(X0,add(X2,X1))
        | ( ( X0 != X2 )
          & ~ in(X0,X1) ) ) ),
    inference(flattening,[],[f35]) ).

tff(f35,plain,
    ! [X0: $int,X1: collection,X2: $int] :
      ( ( ( X0 = X2 )
        | in(X0,X1)
        | ~ in(X0,add(X2,X1)) )
      & ( in(X0,add(X2,X1))
        | ( ( X0 != X2 )
          & ~ in(X0,X1) ) ) ),
    inference(nnf_transformation,[],[f25]) ).

tff(f25,plain,
    ! [X0: $int,X1: collection,X2: $int] :
      ( ( ( X0 = X2 )
        | in(X0,X1) )
    <=> in(X0,add(X2,X1)) ),
    inference(rectify,[],[f4]) ).

tff(f4,axiom,
    ! [X5: $int,X6: collection,X7: $int] :
      ( ( ( X5 = X7 )
        | in(X5,X6) )
    <=> in(X5,add(X7,X6)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax4) ).

tff(f89,plain,
    ! [X0: $int] :
      ( ~ $less(-1,X0)
      | ~ $less(X0,0) ),
    inference(evaluation,[],[f88]) ).

tff(f88,plain,
    ! [X0: $int] :
      ( ~ $less(X0,0)
      | ~ $less($uminus(1),X0) ),
    inference(superposition,[],[f20,f55]) ).

tff(f46,plain,
    ! [X2: $int,X0: $int,X1: collection] :
      ( ~ in(X0,remove(X2,X1))
      | in(X0,X1) ),
    inference(cnf_transformation,[],[f34]) ).

tff(f34,plain,
    ! [X0: $int,X1: collection,X2: $int] :
      ( ( ( ( X0 != X2 )
          & in(X0,X1) )
        | ~ in(X0,remove(X2,X1)) )
      & ( in(X0,remove(X2,X1))
        | ( X0 = X2 )
        | ~ in(X0,X1) ) ),
    inference(flattening,[],[f33]) ).

tff(f33,plain,
    ! [X0: $int,X1: collection,X2: $int] :
      ( ( ( ( X0 != X2 )
          & in(X0,X1) )
        | ~ in(X0,remove(X2,X1)) )
      & ( in(X0,remove(X2,X1))
        | ( X0 = X2 )
        | ~ in(X0,X1) ) ),
    inference(nnf_transformation,[],[f24]) ).

tff(f24,plain,
    ! [X0: $int,X1: collection,X2: $int] :
      ( ( ( X0 != X2 )
        & in(X0,X1) )
    <=> in(X0,remove(X2,X1)) ),
    inference(rectify,[],[f5]) ).

tff(f5,axiom,
    ! [X8: $int,X9: collection,X10: $int] :
      ( ( ( X8 != X10 )
        & in(X8,X9) )
    <=> in(X8,remove(X10,X9)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax5) ).

tff(f87,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X1,$sum(1,X0))
      | ~ $less(X0,X1) ),
    inference(superposition,[],[f20,f9]) ).

tff(f20,plain,
    ! [X0: $int,X1: $int] :
      ( ~ $less(X1,$sum(X0,1))
      | ~ $less(X0,X1) ),
    introduced(theory_axiom_161,[]) ).

tff(f72,plain,
    ! [X0: $int] :
      ( $less(X0,0)
      | $less(-1,X0) ),
    inference(evaluation,[],[f71]) ).

tff(f71,plain,
    ! [X0: $int] :
      ( $less(X0,0)
      | $less($uminus(1),X0) ),
    inference(superposition,[],[f18,f55]) ).

tff(f73,plain,
    ! [X0: $int] : $less(X0,$sum(1,X0)),
    inference(superposition,[],[f68,f9]) ).

tff(f74,plain,
    ! [X0: $int] : $less(X0,$sum(1,X0)),
    inference(superposition,[],[f68,f9]) ).

tff(f68,plain,
    ! [X0: $int] : $less(X0,$sum(X0,1)),
    inference(resolution,[],[f18,f14]) ).

tff(f70,plain,
    ! [X0: $int,X1: $int] :
      ( $less(X1,$sum(1,X0))
      | $less(X0,X1) ),
    inference(superposition,[],[f18,f9]) ).

tff(f18,plain,
    ! [X0: $int,X1: $int] :
      ( $less(X1,$sum(X0,1))
      | $less(X0,X1) ),
    introduced(theory_axiom_147,[]) ).

tff(f9,plain,
    ! [X0: $int,X1: $int] : ( $sum(X0,X1) = $sum(X1,X0) ),
    introduced(theory_axiom_135,[]) ).

tff(f55,plain,
    ! [X0: $int] : ( 0 = $sum($uminus(X0),X0) ),
    inference(superposition,[],[f13,f19]) ).

tff(f56,plain,
    $less(0,sK3(sK2)),
    inference(resolution,[],[f53,f40]) ).

tff(f53,plain,
    ! [X0: $int] :
      ( ~ in(X0,sK0)
      | $less(0,sK3(X0)) ),
    inference(resolution,[],[f38,f37]) ).

tff(f54,plain,
    $less(sK3(sK2),sK2),
    inference(resolution,[],[f39,f40]) ).

tff(f13,plain,
    ! [X0: $int] : ( 0 = $sum(X0,$uminus(X0)) ),
    introduced(theory_axiom_140,[]) ).

tff(f39,plain,
    ! [X3: $int] :
      ( ~ in(X3,sK0)
      | $less(sK3(X3),X3) ),
    inference(cnf_transformation,[],[f32]) ).

tff(f32,plain,
    ( ~ $less(1,sK2)
    & in(sK2,sK0)
    & ! [X3: $int] :
        ( ( $less(sK3(X3),X3)
          & in(sK3(X3),sK1) )
        | ~ in(X3,sK0) )
    & ! [X5: $int] :
        ( $less(0,X5)
        | ~ in(X5,sK1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3])],[f28,f31,f30,f29]) ).

tff(f29,plain,
    ( ? [X0: collection,X1: collection] :
        ( ? [X2: $int] :
            ( ~ $less(1,X2)
            & in(X2,X0) )
        & ! [X3: $int] :
            ( ? [X4: $int] :
                ( $less(X4,X3)
                & in(X4,X1) )
            | ~ in(X3,X0) )
        & ! [X5: $int] :
            ( $less(0,X5)
            | ~ in(X5,X1) ) )
   => ( ? [X2: $int] :
          ( ~ $less(1,X2)
          & in(X2,sK0) )
      & ! [X3: $int] :
          ( ? [X4: $int] :
              ( $less(X4,X3)
              & in(X4,sK1) )
          | ~ in(X3,sK0) )
      & ! [X5: $int] :
          ( $less(0,X5)
          | ~ in(X5,sK1) ) ) ),
    introduced(choice_axiom,[]) ).

tff(f30,plain,
    ( ? [X2: $int] :
        ( ~ $less(1,X2)
        & in(X2,sK0) )
   => ( ~ $less(1,sK2)
      & in(sK2,sK0) ) ),
    introduced(choice_axiom,[]) ).

tff(f31,plain,
    ! [X3: $int] :
      ( ? [X4: $int] :
          ( $less(X4,X3)
          & in(X4,sK1) )
     => ( $less(sK3(X3),X3)
        & in(sK3(X3),sK1) ) ),
    introduced(choice_axiom,[]) ).

tff(f28,plain,
    ? [X0: collection,X1: collection] :
      ( ? [X2: $int] :
          ( ~ $less(1,X2)
          & in(X2,X0) )
      & ! [X3: $int] :
          ( ? [X4: $int] :
              ( $less(X4,X3)
              & in(X4,X1) )
          | ~ in(X3,X0) )
      & ! [X5: $int] :
          ( $less(0,X5)
          | ~ in(X5,X1) ) ),
    inference(rectify,[],[f27]) ).

tff(f27,plain,
    ? [X0: collection,X1: collection] :
      ( ? [X5: $int] :
          ( ~ $less(1,X5)
          & in(X5,X0) )
      & ! [X2: $int] :
          ( ? [X3: $int] :
              ( $less(X3,X2)
              & in(X3,X1) )
          | ~ in(X2,X0) )
      & ! [X4: $int] :
          ( $less(0,X4)
          | ~ in(X4,X1) ) ),
    inference(flattening,[],[f26]) ).

tff(f26,plain,
    ? [X0: collection,X1: collection] :
      ( ? [X5: $int] :
          ( ~ $less(1,X5)
          & in(X5,X0) )
      & ! [X2: $int] :
          ( ? [X3: $int] :
              ( $less(X3,X2)
              & in(X3,X1) )
          | ~ in(X2,X0) )
      & ! [X4: $int] :
          ( $less(0,X4)
          | ~ in(X4,X1) ) ),
    inference(ennf_transformation,[],[f21]) ).

tff(f21,plain,
    ~ ! [X0: collection,X1: collection] :
        ( ( ! [X2: $int] :
              ( in(X2,X0)
             => ? [X3: $int] :
                  ( $less(X3,X2)
                  & in(X3,X1) ) )
          & ! [X4: $int] :
              ( in(X4,X1)
             => $less(0,X4) ) )
       => ! [X5: $int] :
            ( in(X5,X0)
           => $less(1,X5) ) ),
    inference(rectify,[],[f8]) ).

tff(f8,plain,
    ~ ! [X0: collection,X1: collection] :
        ( ( ! [X3: $int] :
              ( in(X3,X0)
             => ? [X4: $int] :
                  ( $less(X4,X3)
                  & in(X4,X1) ) )
          & ! [X2: $int] :
              ( in(X2,X1)
             => $less(0,X2) ) )
       => ! [X5: $int] :
            ( in(X5,X0)
           => $less(1,X5) ) ),
    inference(theory_normalization,[],[f7]) ).

tff(f7,negated_conjecture,
    ~ ! [X0: collection,X1: collection] :
        ( ( ! [X3: $int] :
              ( in(X3,X0)
             => ? [X4: $int] :
                  ( $greater(X3,X4)
                  & in(X4,X1) ) )
          & ! [X2: $int] :
              ( in(X2,X1)
             => $greater(X2,0) ) )
       => ! [X5: $int] :
            ( in(X5,X0)
           => $greater(X5,1) ) ),
    inference(negated_conjecture,[],[f6]) ).

tff(f6,conjecture,
    ! [X0: collection,X1: collection] :
      ( ( ! [X3: $int] :
            ( in(X3,X0)
           => ? [X4: $int] :
                ( $greater(X3,X4)
                & in(X4,X1) ) )
        & ! [X2: $int] :
            ( in(X2,X1)
           => $greater(X2,0) ) )
     => ! [X5: $int] :
          ( in(X5,X0)
         => $greater(X5,1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

tff(f38,plain,
    ! [X3: $int] :
      ( in(sK3(X3),sK1)
      | ~ in(X3,sK0) ),
    inference(cnf_transformation,[],[f32]) ).

tff(f44,plain,
    ! [X0: $int,X1: collection] : in(X0,add(X0,X1)),
    inference(cnf_transformation,[],[f23]) ).

tff(f23,plain,
    ! [X0: $int,X1: collection] : in(X0,add(X0,X1)),
    inference(rectify,[],[f2]) ).

tff(f2,axiom,
    ! [X1: $int,X2: collection] : in(X1,add(X1,X2)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax2) ).

tff(f43,plain,
    ! [X0: $int,X1: collection] : ~ in(X0,remove(X0,X1)),
    inference(cnf_transformation,[],[f22]) ).

tff(f22,plain,
    ! [X0: $int,X1: collection] : ~ in(X0,remove(X0,X1)),
    inference(rectify,[],[f3]) ).

tff(f3,axiom,
    ! [X3: $int,X4: collection] : ~ in(X3,remove(X3,X4)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax3) ).

tff(f19,plain,
    ! [X0: $int] : ( $uminus($uminus(X0)) = X0 ),
    introduced(theory_axiom_148,[]) ).

tff(f11,plain,
    ! [X0: $int] : ( $sum(X0,0) = X0 ),
    introduced(theory_axiom_137,[]) ).

tff(f37,plain,
    ! [X5: $int] :
      ( ~ in(X5,sK1)
      | $less(0,X5) ),
    inference(cnf_transformation,[],[f32]) ).

tff(f42,plain,
    ! [X0: $int] : ~ in(X0,empty),
    inference(cnf_transformation,[],[f1]) ).

tff(f1,axiom,
    ! [X0: $int] : ~ in(X0,empty),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax1) ).

tff(f14,plain,
    ! [X0: $int] : ~ $less(X0,X0),
    introduced(theory_axiom_142,[]) ).

tff(f41,plain,
    ~ $less(1,sK2),
    inference(cnf_transformation,[],[f32]) ).

tff(f40,plain,
    in(sK2,sK0),
    inference(cnf_transformation,[],[f32]) ).

tff(f52,plain,
    ! [X2: $int,X1: collection] : in(X2,add(X2,X1)),
    inference(equality_resolution,[],[f49]) ).

tff(f49,plain,
    ! [X2: $int,X0: $int,X1: collection] :
      ( in(X0,add(X2,X1))
      | ( X0 != X2 ) ),
    inference(cnf_transformation,[],[f36]) ).

tff(f50,plain,
    ! [X2: $int,X0: $int,X1: collection] :
      ( ( X0 = X2 )
      | in(X0,X1)
      | ~ in(X0,add(X2,X1)) ),
    inference(cnf_transformation,[],[f36]) ).

tff(f45,plain,
    ! [X2: $int,X0: $int,X1: collection] :
      ( in(X0,remove(X2,X1))
      | ( X0 = X2 )
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f34]) ).

tff(f51,plain,
    ! [X2: $int,X1: collection] : ~ in(X2,remove(X2,X1)),
    inference(equality_resolution,[],[f47]) ).

tff(f47,plain,
    ! [X2: $int,X0: $int,X1: collection] :
      ( ( X0 != X2 )
      | ~ in(X0,remove(X2,X1)) ),
    inference(cnf_transformation,[],[f34]) ).

tff(f10,plain,
    ! [X2: $int,X0: $int,X1: $int] : ( $sum(X0,$sum(X1,X2)) = $sum($sum(X0,X1),X2) ),
    introduced(theory_axiom_136,[]) ).

tff(f12,plain,
    ! [X0: $int,X1: $int] : ( $uminus($sum(X0,X1)) = $sum($uminus(X1),$uminus(X0)) ),
    introduced(theory_axiom_139,[]) ).

tff(f17,plain,
    ! [X2: $int,X0: $int,X1: $int] :
      ( ~ $less(X0,X1)
      | $less($sum(X0,X2),$sum(X1,X2)) ),
    introduced(theory_axiom_145,[]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem    : DAT028_1 : TPTP v8.2.0. Released v5.0.0.
% 0.15/0.15  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.15/0.36  % Computer : n003.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit   : 300
% 0.15/0.36  % WCLimit    : 300
% 0.15/0.36  % DateTime   : Sun May 19 23:43:53 EDT 2024
% 0.15/0.36  % CPUTime    : 
% 0.15/0.37  % (19453)Running in auto input_syntax mode. Trying TPTP
% 0.22/0.37  % (19454)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.22/0.38  % (19454)WARNING: trying to run FMB on interpreted or otherwise provably infinite-domain problem!
% 0.22/0.38  % (19454)Terminated due to inappropriate strategy.
% 0.22/0.38  % (19454)------------------------------
% 0.22/0.38  % (19454)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.22/0.38  % (19454)Termination reason: Inappropriate
% 0.22/0.38  
% 0.22/0.38  % (19454)Memory used [KB]: 746
% 0.22/0.38  % (19454)Time elapsed: 0.002 s
% 0.22/0.38  % (19454)Instructions burned: 2 (million)
% 0.22/0.38  % (19454)------------------------------
% 0.22/0.38  % (19454)------------------------------
% 0.22/0.38  % (19456)WARNING: value z3 for option sas not known
% 0.22/0.38  % (19457)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.22/0.38  % (19456)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.22/0.38  % (19460)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.22/0.38  % (19459)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.22/0.38  % (19457)WARNING: trying to run FMB on interpreted or otherwise provably infinite-domain problem!
% 0.22/0.38  % (19457)Terminated due to inappropriate strategy.
% 0.22/0.38  % (19457)------------------------------
% 0.22/0.38  % (19457)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.22/0.38  % (19457)Termination reason: Inappropriate
% 0.22/0.38  
% 0.22/0.38  % (19457)Memory used [KB]: 746
% 0.22/0.38  % (19457)Time elapsed: 0.002 s
% 0.22/0.38  % (19457)Instructions burned: 2 (million)
% 0.22/0.38  % (19457)------------------------------
% 0.22/0.38  % (19457)------------------------------
% 0.22/0.38  % (19455)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.22/0.38  % (19455)WARNING: trying to run FMB on interpreted or otherwise provably infinite-domain problem!
% 0.22/0.38  % (19455)Terminated due to inappropriate strategy.
% 0.22/0.38  % (19455)------------------------------
% 0.22/0.38  % (19455)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.22/0.38  % (19455)Termination reason: Inappropriate
% 0.22/0.38  
% 0.22/0.38  % (19455)Memory used [KB]: 747
% 0.22/0.38  % (19455)Time elapsed: 0.002 s
% 0.22/0.38  % (19455)Instructions burned: 2 (million)
% 0.22/0.38  % (19455)------------------------------
% 0.22/0.38  % (19455)------------------------------
% 0.22/0.38  % (19461)fmb+10_1_fmbas=expand:fmbsr=1.1:gsp=on:nm=4_411 on theBenchmark for (411ds/0Mi)
% 0.22/0.38  % (19461)WARNING: trying to run FMB on interpreted or otherwise provably infinite-domain problem!
% 0.22/0.38  % (19461)Terminated due to inappropriate strategy.
% 0.22/0.38  % (19461)------------------------------
% 0.22/0.38  % (19461)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.22/0.38  % (19461)Termination reason: Inappropriate
% 0.22/0.38  
% 0.22/0.38  % (19461)Memory used [KB]: 746
% 0.22/0.38  % (19461)Time elapsed: 0.001 s
% 0.22/0.38  % (19461)Instructions burned: 2 (million)
% 0.22/0.38  % (19458)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.22/0.39  % (19461)------------------------------
% 0.22/0.39  % (19461)------------------------------
% 0.22/0.39  % (19456)First to succeed.
% 0.22/0.39  % (19459)Also succeeded, but the first one will report.
% 0.22/0.39  % (19456)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-19453"
% 0.22/0.39  % (19456)Refutation found. Thanks to Tanya!
% 0.22/0.39  % SZS status Theorem for theBenchmark
% 0.22/0.39  % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.39  % (19456)------------------------------
% 0.22/0.39  % (19456)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.22/0.39  % (19456)Termination reason: Refutation
% 0.22/0.39  
% 0.22/0.39  % (19456)Memory used [KB]: 897
% 0.22/0.39  % (19456)Time elapsed: 0.009 s
% 0.22/0.39  % (19456)Instructions burned: 13 (million)
% 0.22/0.39  % (19453)Success in time 0.021 s
%------------------------------------------------------------------------------