TSTP Solution File: NUN081+2 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : NUN081+2 : TPTP v8.1.0. Released v7.3.0.
% 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 : n015.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 18:08:08 EDT 2022

% Result   : Theorem 1.46s 0.58s
% Output   : Refutation 1.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   16
% Syntax   : Number of formulae    :   54 (  14 unt;   0 def)
%            Number of atoms       :  182 (  40 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  199 (  71   ~;  44   |;  73   &)
%                                         (   3 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    9 (   7 usr;   1 prp; 0-3 aty)
%            Number of functors    :    8 (   8 usr;   1 con; 0-2 aty)
%            Number of variables   :  151 (  97   !;  54   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f171,plain,
    $false,
    inference(resolution,[],[f148,f100]) ).

fof(f100,plain,
    r1(sK0),
    inference(equality_resolution,[],[f58]) ).

fof(f58,plain,
    ! [X1] :
      ( sK0 != X1
      | r1(X1) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f27,plain,
    ! [X1] :
      ( ( sK0 != X1
        & ~ r1(X1) )
      | ( sK0 = X1
        & r1(X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f1,f26]) ).

fof(f26,plain,
    ( ? [X0] :
      ! [X1] :
        ( ( X0 != X1
          & ~ r1(X1) )
        | ( X0 = X1
          & r1(X1) ) )
   => ! [X1] :
        ( ( sK0 != X1
          & ~ r1(X1) )
        | ( sK0 = X1
          & r1(X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f1,axiom,
    ? [X0] :
    ! [X1] :
      ( ( X0 != X1
        & ~ r1(X1) )
      | ( X0 = X1
        & r1(X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_1) ).

fof(f148,plain,
    ! [X2] : ~ r1(X2),
    inference(resolution,[],[f143,f135]) ).

fof(f135,plain,
    ! [X3,X4] :
      ( sP20(sK19(X3,X4))
      | ~ r1(X3) ),
    inference(resolution,[],[f110,f93]) ).

fof(f93,plain,
    ! [X0,X1] : r2(X0,sK19(X0,X1)),
    inference(cnf_transformation,[],[f55]) ).

fof(f55,plain,
    ! [X0,X1] :
      ( r4(X1,X0,sK17(X0,X1))
      & r3(sK17(X0,X1),X1,sK16(X0,X1))
      & r2(X0,sK19(X0,X1))
      & r4(X1,sK19(X0,X1),sK18(X0,X1))
      & sK18(X0,X1) = sK16(X0,X1) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK16,sK17,sK18,sK19])],[f17,f54,f53,f52,f51]) ).

fof(f51,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ? [X3] :
              ( r4(X1,X0,X3)
              & r3(X3,X1,X2) )
          & ? [X4] :
              ( ? [X5] :
                  ( r2(X0,X5)
                  & r4(X1,X5,X4) )
              & X2 = X4 ) )
     => ( ? [X3] :
            ( r4(X1,X0,X3)
            & r3(X3,X1,sK16(X0,X1)) )
        & ? [X4] :
            ( ? [X5] :
                ( r2(X0,X5)
                & r4(X1,X5,X4) )
            & sK16(X0,X1) = X4 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f52,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( r4(X1,X0,X3)
          & r3(X3,X1,sK16(X0,X1)) )
     => ( r4(X1,X0,sK17(X0,X1))
        & r3(sK17(X0,X1),X1,sK16(X0,X1)) ) ),
    introduced(choice_axiom,[]) ).

fof(f53,plain,
    ! [X0,X1] :
      ( ? [X4] :
          ( ? [X5] :
              ( r2(X0,X5)
              & r4(X1,X5,X4) )
          & sK16(X0,X1) = X4 )
     => ( ? [X5] :
            ( r2(X0,X5)
            & r4(X1,X5,sK18(X0,X1)) )
        & sK18(X0,X1) = sK16(X0,X1) ) ),
    introduced(choice_axiom,[]) ).

fof(f54,plain,
    ! [X0,X1] :
      ( ? [X5] :
          ( r2(X0,X5)
          & r4(X1,X5,sK18(X0,X1)) )
     => ( r2(X0,sK19(X0,X1))
        & r4(X1,sK19(X0,X1),sK18(X0,X1)) ) ),
    introduced(choice_axiom,[]) ).

fof(f17,plain,
    ! [X0,X1] :
    ? [X2] :
      ( ? [X3] :
          ( r4(X1,X0,X3)
          & r3(X3,X1,X2) )
      & ? [X4] :
          ( ? [X5] :
              ( r2(X0,X5)
              & r4(X1,X5,X4) )
          & X2 = X4 ) ),
    inference(rectify,[],[f6]) ).

fof(f6,axiom,
    ! [X20,X19] :
    ? [X21] :
      ( ? [X24] :
          ( r3(X24,X19,X21)
          & r4(X19,X20,X24) )
      & ? [X22] :
          ( ? [X23] :
              ( r2(X20,X23)
              & r4(X19,X23,X22) )
          & X21 = X22 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_2a) ).

fof(f110,plain,
    ! [X6,X5] :
      ( ~ r2(X6,X5)
      | ~ r1(X6)
      | sP20(X5) ),
    inference(cnf_transformation,[],[f110_D]) ).

fof(f110_D,plain,
    ! [X5] :
      ( ! [X6] :
          ( ~ r2(X6,X5)
          | ~ r1(X6) )
    <=> ~ sP20(X5) ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP20])]) ).

fof(f143,plain,
    ! [X0] : ~ sP20(X0),
    inference(resolution,[],[f142,f136]) ).

fof(f136,plain,
    ! [X0] :
      ( sP21(sK15(X0))
      | ~ sP20(X0) ),
    inference(resolution,[],[f112,f109]) ).

fof(f109,plain,
    ! [X0] : r2(X0,sK15(X0)),
    inference(equality_resolution,[],[f87]) ).

fof(f87,plain,
    ! [X2,X0] :
      ( r2(X0,X2)
      | sK15(X0) != X2 ),
    inference(cnf_transformation,[],[f50]) ).

fof(f50,plain,
    ! [X0,X2] :
      ( ( sK15(X0) = X2
        & r2(X0,X2) )
      | ( ~ r2(X0,X2)
        & sK15(X0) != X2 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK15])],[f16,f49]) ).

fof(f49,plain,
    ! [X0] :
      ( ? [X1] :
        ! [X2] :
          ( ( X1 = X2
            & r2(X0,X2) )
          | ( ~ r2(X0,X2)
            & X1 != X2 ) )
     => ! [X2] :
          ( ( sK15(X0) = X2
            & r2(X0,X2) )
          | ( ~ r2(X0,X2)
            & sK15(X0) != X2 ) ) ),
    introduced(choice_axiom,[]) ).

fof(f16,plain,
    ! [X0] :
    ? [X1] :
    ! [X2] :
      ( ( X1 = X2
        & r2(X0,X2) )
      | ( ~ r2(X0,X2)
        & X1 != X2 ) ),
    inference(rectify,[],[f2]) ).

fof(f2,axiom,
    ! [X2] :
    ? [X3] :
    ! [X4] :
      ( ( X3 = X4
        & r2(X2,X4) )
      | ( ~ r2(X2,X4)
        & X3 != X4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_2) ).

fof(f112,plain,
    ! [X4,X5] :
      ( ~ r2(X5,X4)
      | sP21(X4)
      | ~ sP20(X5) ),
    inference(cnf_transformation,[],[f112_D]) ).

fof(f112_D,plain,
    ! [X4] :
      ( ! [X5] :
          ( ~ r2(X5,X4)
          | ~ sP20(X5) )
    <=> ~ sP21(X4) ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP21])]) ).

fof(f142,plain,
    ! [X0] : ~ sP21(X0),
    inference(resolution,[],[f139,f130]) ).

fof(f130,plain,
    ! [X0] : ~ sP22(X0),
    inference(resolution,[],[f115,f121]) ).

fof(f121,plain,
    ! [X0] : r3(X0,sK0,X0),
    inference(backward_demodulation,[],[f116,f118]) ).

fof(f118,plain,
    ! [X0] : sK0 = sK8(X0),
    inference(resolution,[],[f57,f77]) ).

fof(f77,plain,
    ! [X0] : r1(sK8(X0)),
    inference(cnf_transformation,[],[f40]) ).

fof(f40,plain,
    ! [X0] :
      ( r3(X0,sK8(X0),sK7(X0))
      & r1(sK8(X0))
      & sK7(X0) = X0 ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7,sK8])],[f22,f39,f38]) ).

fof(f38,plain,
    ! [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( r3(X0,X2,X1)
              & r1(X2) )
          & X0 = X1 )
     => ( ? [X2] :
            ( r3(X0,X2,sK7(X0))
            & r1(X2) )
        & sK7(X0) = X0 ) ),
    introduced(choice_axiom,[]) ).

fof(f39,plain,
    ! [X0] :
      ( ? [X2] :
          ( r3(X0,X2,sK7(X0))
          & r1(X2) )
     => ( r3(X0,sK8(X0),sK7(X0))
        & r1(sK8(X0)) ) ),
    introduced(choice_axiom,[]) ).

fof(f22,plain,
    ! [X0] :
    ? [X1] :
      ( ? [X2] :
          ( r3(X0,X2,X1)
          & r1(X2) )
      & X0 = X1 ),
    inference(rectify,[],[f8]) ).

fof(f8,axiom,
    ! [X29] :
    ? [X30] :
      ( X29 = X30
      & ? [X31] :
          ( r1(X31)
          & r3(X29,X31,X30) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',axiom_4a) ).

fof(f57,plain,
    ! [X1] :
      ( ~ r1(X1)
      | sK0 = X1 ),
    inference(cnf_transformation,[],[f27]) ).

fof(f116,plain,
    ! [X0] : r3(X0,sK8(X0),X0),
    inference(backward_demodulation,[],[f78,f76]) ).

fof(f76,plain,
    ! [X0] : sK7(X0) = X0,
    inference(cnf_transformation,[],[f40]) ).

fof(f78,plain,
    ! [X0] : r3(X0,sK8(X0),sK7(X0)),
    inference(cnf_transformation,[],[f40]) ).

fof(f115,plain,
    ! [X3,X0,X1] :
      ( ~ r3(X0,X1,X3)
      | ~ sP22(X3) ),
    inference(general_splitting,[],[f113,f114_D]) ).

fof(f114,plain,
    ! [X3,X4] :
      ( ~ r2(X4,X3)
      | ~ sP21(X4)
      | sP22(X3) ),
    inference(cnf_transformation,[],[f114_D]) ).

fof(f114_D,plain,
    ! [X3] :
      ( ! [X4] :
          ( ~ r2(X4,X3)
          | ~ sP21(X4) )
    <=> ~ sP22(X3) ),
    introduced(general_splitting_component_introduction,[new_symbols(naming,[sP22])]) ).

fof(f113,plain,
    ! [X3,X0,X1,X4] :
      ( ~ r3(X0,X1,X3)
      | ~ r2(X4,X3)
      | ~ sP21(X4) ),
    inference(general_splitting,[],[f111,f112_D]) ).

fof(f111,plain,
    ! [X3,X0,X1,X4,X5] :
      ( ~ r3(X0,X1,X3)
      | ~ r2(X4,X3)
      | ~ r2(X5,X4)
      | ~ sP20(X5) ),
    inference(general_splitting,[],[f101,f110_D]) ).

fof(f101,plain,
    ! [X3,X0,X1,X6,X4,X5] :
      ( ~ r3(X0,X1,X3)
      | ~ r2(X4,X3)
      | ~ r2(X5,X4)
      | ~ r2(X6,X5)
      | ~ r1(X6) ),
    inference(equality_resolution,[],[f60]) ).

fof(f60,plain,
    ! [X2,X3,X0,X1,X6,X4,X5] :
      ( ~ r3(X0,X1,X2)
      | X2 != X3
      | ~ r2(X4,X3)
      | ~ r2(X5,X4)
      | ~ r2(X6,X5)
      | ~ r1(X6) ),
    inference(cnf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X0,X1,X2] :
      ( ~ r3(X0,X1,X2)
      | ! [X3] :
          ( X2 != X3
          | ! [X4] :
              ( ~ r2(X4,X3)
              | ! [X5] :
                  ( ~ r2(X5,X4)
                  | ! [X6] :
                      ( ~ r2(X6,X5)
                      | ~ r1(X6) ) ) ) ) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f24,plain,
    ~ ? [X1,X2,X0] :
        ( ? [X3] :
            ( X2 = X3
            & ? [X4] :
                ( r2(X4,X3)
                & ? [X5] :
                    ( r2(X5,X4)
                    & ? [X6] :
                        ( r1(X6)
                        & r2(X6,X5) ) ) ) )
        & r3(X0,X1,X2) ),
    inference(rectify,[],[f13]) ).

fof(f13,negated_conjecture,
    ~ ? [X38,X21,X22] :
        ( r3(X38,X21,X22)
        & ? [X15] :
            ( ? [X16] :
                ( ? [X24] :
                    ( ? [X18] :
                        ( r2(X18,X24)
                        & r1(X18) )
                    & r2(X24,X16) )
                & r2(X16,X15) )
            & X15 = X22 ) ),
    inference(negated_conjecture,[],[f12]) ).

fof(f12,conjecture,
    ? [X38,X21,X22] :
      ( r3(X38,X21,X22)
      & ? [X15] :
          ( ? [X16] :
              ( ? [X24] :
                  ( ? [X18] :
                      ( r2(X18,X24)
                      & r1(X18) )
                  & r2(X24,X16) )
              & r2(X16,X15) )
          & X15 = X22 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',xplusyeqthree) ).

fof(f139,plain,
    ! [X0] :
      ( sP22(sK15(X0))
      | ~ sP21(X0) ),
    inference(resolution,[],[f114,f109]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem    : NUN081+2 : TPTP v8.1.0. Released v7.3.0.
% 0.03/0.14  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.35  % Computer : n015.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Aug 30 10:01:20 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.55  % (1202)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.56  % (1206)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 0.20/0.56  TRYING [1]
% 0.20/0.57  % (1210)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.20/0.57  TRYING [2]
% 0.20/0.57  TRYING [3]
% 1.46/0.57  % (1206)First to succeed.
% 1.46/0.57  % (1197)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.46/0.57  TRYING [4]
% 1.46/0.57  % (1218)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 1.46/0.57  % (1198)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 1.46/0.58  % (1206)Refutation found. Thanks to Tanya!
% 1.46/0.58  % SZS status Theorem for theBenchmark
% 1.46/0.58  % SZS output start Proof for theBenchmark
% See solution above
% 1.46/0.58  % (1206)------------------------------
% 1.46/0.58  % (1206)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.46/0.58  % (1206)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.46/0.58  % (1206)Termination reason: Refutation
% 1.46/0.58  
% 1.46/0.58  % (1206)Memory used [KB]: 5500
% 1.46/0.58  % (1206)Time elapsed: 0.142 s
% 1.46/0.58  % (1206)Instructions burned: 5 (million)
% 1.46/0.58  % (1206)------------------------------
% 1.46/0.58  % (1206)------------------------------
% 1.46/0.58  % (1195)Success in time 0.221 s
%------------------------------------------------------------------------------