TSTP Solution File: SWC136+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWC136+1 : TPTP v8.1.0. Released v2.4.0.
% 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 18:41:57 EDT 2022

% Result   : Theorem 1.33s 0.55s
% Output   : Refutation 1.33s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   14 (   5 unt;   0 def)
%            Number of atoms       :   97 (  27 equ)
%            Maximal formula atoms :   16 (   6 avg)
%            Number of connectives :  103 (  20   ~;   6   |;  65   &)
%                                         (   0 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   8 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   5 con; 0-0 aty)
%            Number of variables   :   32 (   8   !;  24   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f602,plain,
    $false,
    inference(subsumption_resolution,[],[f529,f556]) ).

fof(f556,plain,
    ~ neq(sK48,nil),
    inference(definition_unfolding,[],[f533,f532]) ).

fof(f532,plain,
    sK50 = sK48,
    inference(cnf_transformation,[],[f334]) ).

fof(f334,plain,
    ( ssList(sK48)
    & ssList(sK49)
    & ~ neq(sK50,nil)
    & sK50 = sK48
    & sK49 = sK47
    & ssList(sK50)
    & neq(sK48,nil)
    & ssList(sK47) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK47,sK48,sK49,sK50])],[f220,f333,f332,f331,f330]) ).

fof(f330,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ssList(X1)
            & ? [X2] :
                ( ssList(X2)
                & ? [X3] :
                    ( ~ neq(X3,nil)
                    & X1 = X3
                    & X0 = X2
                    & ssList(X3)
                    & neq(X1,nil) ) ) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ~ neq(X3,nil)
                  & X1 = X3
                  & sK47 = X2
                  & ssList(X3)
                  & neq(X1,nil) ) ) )
      & ssList(sK47) ) ),
    introduced(choice_axiom,[]) ).

fof(f331,plain,
    ( ? [X1] :
        ( ssList(X1)
        & ? [X2] :
            ( ssList(X2)
            & ? [X3] :
                ( ~ neq(X3,nil)
                & X1 = X3
                & sK47 = X2
                & ssList(X3)
                & neq(X1,nil) ) ) )
   => ( ssList(sK48)
      & ? [X2] :
          ( ssList(X2)
          & ? [X3] :
              ( ~ neq(X3,nil)
              & sK48 = X3
              & sK47 = X2
              & ssList(X3)
              & neq(sK48,nil) ) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f332,plain,
    ( ? [X2] :
        ( ssList(X2)
        & ? [X3] :
            ( ~ neq(X3,nil)
            & sK48 = X3
            & sK47 = X2
            & ssList(X3)
            & neq(sK48,nil) ) )
   => ( ssList(sK49)
      & ? [X3] :
          ( ~ neq(X3,nil)
          & sK48 = X3
          & sK49 = sK47
          & ssList(X3)
          & neq(sK48,nil) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f333,plain,
    ( ? [X3] :
        ( ~ neq(X3,nil)
        & sK48 = X3
        & sK49 = sK47
        & ssList(X3)
        & neq(sK48,nil) )
   => ( ~ neq(sK50,nil)
      & sK50 = sK48
      & sK49 = sK47
      & ssList(sK50)
      & neq(sK48,nil) ) ),
    introduced(choice_axiom,[]) ).

fof(f220,plain,
    ? [X0] :
      ( ? [X1] :
          ( ssList(X1)
          & ? [X2] :
              ( ssList(X2)
              & ? [X3] :
                  ( ~ neq(X3,nil)
                  & X1 = X3
                  & X0 = X2
                  & ssList(X3)
                  & neq(X1,nil) ) ) )
      & ssList(X0) ),
    inference(flattening,[],[f219]) ).

fof(f219,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ~ neq(X3,nil)
                  & neq(X1,nil)
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( neq(X3,nil)
                      | ~ neq(X1,nil)
                      | X0 != X2
                      | X1 != X3 ) ) ) ) ),
    inference(negated_conjecture,[],[f96]) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( neq(X3,nil)
                    | ~ neq(X1,nil)
                    | X0 != X2
                    | X1 != X3 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

fof(f533,plain,
    ~ neq(sK50,nil),
    inference(cnf_transformation,[],[f334]) ).

fof(f529,plain,
    neq(sK48,nil),
    inference(cnf_transformation,[],[f334]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SWC136+1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.14/0.35  % Computer : n015.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   : Tue Aug 30 18:35:06 EDT 2022
% 0.14/0.35  % CPUTime    : 
% 0.20/0.52  % (6950)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.20/0.52  % (6953)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.20/0.52  % (6938)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 0.20/0.52  % (6952)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)
% 0.20/0.53  % (6961)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.20/0.53  % (6954)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.20/0.53  % (6942)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.53  % (6950)First to succeed.
% 0.20/0.53  % (6963)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.20/0.54  % (6960)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)
% 0.20/0.54  % (6939)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)
% 1.33/0.54  % (6964)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)
% 1.33/0.54  % (6940)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)
% 1.33/0.54  % (6943)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 1.33/0.54  % (6945)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 1.33/0.54  % (6946)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 1.33/0.54  % (6967)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 1.33/0.54  % (6946)Instruction limit reached!
% 1.33/0.54  % (6946)------------------------------
% 1.33/0.54  % (6946)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.33/0.54  % (6946)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.33/0.54  % (6946)Termination reason: Unknown
% 1.33/0.54  % (6946)Termination phase: shuffling
% 1.33/0.54  
% 1.33/0.54  % (6946)Memory used [KB]: 1023
% 1.33/0.54  % (6946)Time elapsed: 0.005 s
% 1.33/0.54  % (6946)Instructions burned: 3 (million)
% 1.33/0.54  % (6946)------------------------------
% 1.33/0.54  % (6946)------------------------------
% 1.33/0.54  % (6956)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.33/0.54  % (6941)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.33/0.55  % (6957)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)
% 1.33/0.55  % (6955)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 1.33/0.55  % (6959)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 1.33/0.55  % (6966)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 1.33/0.55  % (6962)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 1.33/0.55  % (6947)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.33/0.55  % (6948)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.33/0.55  % (6949)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.33/0.55  % (6951)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 1.33/0.55  % (6943)Also succeeded, but the first one will report.
% 1.33/0.55  % (6950)Refutation found. Thanks to Tanya!
% 1.33/0.55  % SZS status Theorem for theBenchmark
% 1.33/0.55  % SZS output start Proof for theBenchmark
% See solution above
% 1.33/0.55  % (6950)------------------------------
% 1.33/0.55  % (6950)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.33/0.55  % (6950)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.33/0.55  % (6950)Termination reason: Refutation
% 1.33/0.55  
% 1.33/0.55  % (6950)Memory used [KB]: 5884
% 1.33/0.55  % (6950)Time elapsed: 0.010 s
% 1.33/0.55  % (6950)Instructions burned: 13 (million)
% 1.33/0.55  % (6950)------------------------------
% 1.33/0.55  % (6950)------------------------------
% 1.33/0.55  % (6937)Success in time 0.201 s
%------------------------------------------------------------------------------