TSTP Solution File: SWC415+1 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SWC415+1 : TPTP v8.1.2. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n009.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 : Tue Apr 30 16:22:53 EDT 2024

% Result   : Theorem 0.21s 0.48s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   66 (  13 unt;   0 def)
%            Number of atoms       :  336 ( 102 equ)
%            Maximal formula atoms :   18 (   5 avg)
%            Number of connectives :  416 ( 146   ~; 144   |; 104   &)
%                                         (   2 <=>;  20  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   19 (   6 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-4 aty)
%            Number of functors    :    6 (   6 usr;   5 con; 0-1 aty)
%            Number of variables   :  111 (  77   !;  34   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2723,plain,
    $false,
    inference(resolution,[],[f2722,f398]) ).

fof(f398,plain,
    ssList(nil),
    inference(cnf_transformation,[],[f17]) ).

fof(f17,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax17) ).

fof(f2722,plain,
    ~ ssList(nil),
    inference(resolution,[],[f2341,f638]) ).

fof(f638,plain,
    ! [X1] :
      ( ~ neq(X1,X1)
      | ~ ssList(X1) ),
    inference(duplicate_literal_removal,[],[f631]) ).

fof(f631,plain,
    ! [X1] :
      ( ~ neq(X1,X1)
      | ~ ssList(X1)
      | ~ ssList(X1) ),
    inference(equality_resolution,[],[f577]) ).

fof(f577,plain,
    ! [X0,X1] :
      ( X0 != X1
      | ~ neq(X0,X1)
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f360]) ).

fof(f360,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( neq(X0,X1)
              | X0 = X1 )
            & ( X0 != X1
              | ~ neq(X0,X1) ) )
          | ~ ssList(X1) )
      | ~ ssList(X0) ),
    inference(nnf_transformation,[],[f199]) ).

fof(f199,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( neq(X0,X1)
          <=> X0 != X1 )
          | ~ ssList(X1) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,axiom,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ( neq(X0,X1)
          <=> X0 != X1 ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax15) ).

fof(f2341,plain,
    neq(nil,nil),
    inference(backward_demodulation,[],[f699,f2335]) ).

fof(f2335,plain,
    nil = sK20,
    inference(resolution,[],[f2304,f398]) ).

fof(f2304,plain,
    ( ~ ssList(nil)
    | nil = sK20 ),
    inference(resolution,[],[f2303,f649]) ).

fof(f649,plain,
    ssList(sK20),
    inference(forward_demodulation,[],[f385,f386]) ).

fof(f386,plain,
    sK20 = sK22,
    inference(cnf_transformation,[],[f259]) ).

fof(f259,plain,
    ( ( ( ~ neq(sK22,nil)
        & neq(sK20,nil) )
      | sP0(sK20,sK19,sK22,sK21) )
    & sK19 = sK21
    & sK20 = sK22
    & ssList(sK22)
    & ssList(sK21)
    & ssList(sK20)
    & ssList(sK19) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK19,sK20,sK21,sK22])],[f225,f258,f257,f256,f255]) ).

fof(f255,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ? [X2] :
                ( ? [X3] :
                    ( ( ( ~ neq(X3,nil)
                        & neq(X1,nil) )
                      | sP0(X1,X0,X3,X2) )
                    & X0 = X2
                    & X1 = X3
                    & ssList(X3) )
                & ssList(X2) )
            & ssList(X1) )
        & ssList(X0) )
   => ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( ~ neq(X3,nil)
                      & neq(X1,nil) )
                    | sP0(X1,sK19,X3,X2) )
                  & sK19 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(sK19) ) ),
    introduced(choice_axiom,[]) ).

fof(f256,plain,
    ( ? [X1] :
        ( ? [X2] :
            ( ? [X3] :
                ( ( ( ~ neq(X3,nil)
                    & neq(X1,nil) )
                  | sP0(X1,sK19,X3,X2) )
                & sK19 = X2
                & X1 = X3
                & ssList(X3) )
            & ssList(X2) )
        & ssList(X1) )
   => ( ? [X2] :
          ( ? [X3] :
              ( ( ( ~ neq(X3,nil)
                  & neq(sK20,nil) )
                | sP0(sK20,sK19,X3,X2) )
              & sK19 = X2
              & sK20 = X3
              & ssList(X3) )
          & ssList(X2) )
      & ssList(sK20) ) ),
    introduced(choice_axiom,[]) ).

fof(f257,plain,
    ( ? [X2] :
        ( ? [X3] :
            ( ( ( ~ neq(X3,nil)
                & neq(sK20,nil) )
              | sP0(sK20,sK19,X3,X2) )
            & sK19 = X2
            & sK20 = X3
            & ssList(X3) )
        & ssList(X2) )
   => ( ? [X3] :
          ( ( ( ~ neq(X3,nil)
              & neq(sK20,nil) )
            | sP0(sK20,sK19,X3,sK21) )
          & sK19 = sK21
          & sK20 = X3
          & ssList(X3) )
      & ssList(sK21) ) ),
    introduced(choice_axiom,[]) ).

fof(f258,plain,
    ( ? [X3] :
        ( ( ( ~ neq(X3,nil)
            & neq(sK20,nil) )
          | sP0(sK20,sK19,X3,sK21) )
        & sK19 = sK21
        & sK20 = X3
        & ssList(X3) )
   => ( ( ( ~ neq(sK22,nil)
          & neq(sK20,nil) )
        | sP0(sK20,sK19,sK22,sK21) )
      & sK19 = sK21
      & sK20 = sK22
      & ssList(sK22) ) ),
    introduced(choice_axiom,[]) ).

fof(f225,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( ~ neq(X3,nil)
                      & neq(X1,nil) )
                    | sP0(X1,X0,X3,X2) )
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(definition_folding,[],[f100,f224]) ).

fof(f224,plain,
    ! [X1,X0,X3,X2] :
      ( ( ! [X4] :
            ( ~ neq(nil,X1)
            | X0 != X4
            | tl(X1) != X4
            | ~ ssList(X4) )
        & ! [X5] :
            ( ~ neq(nil,X3)
            | tl(X3) != X5
            | X2 = X5
            | ~ ssList(X5) )
        & neq(X1,nil) )
      | ~ sP0(X1,X0,X3,X2) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f100,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( ~ neq(X3,nil)
                      & neq(X1,nil) )
                    | ( ! [X4] :
                          ( ~ neq(nil,X1)
                          | X0 != X4
                          | tl(X1) != X4
                          | ~ ssList(X4) )
                      & ! [X5] :
                          ( ~ neq(nil,X3)
                          | tl(X3) != X5
                          | X2 = X5
                          | ~ ssList(X5) )
                      & neq(X1,nil) ) )
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f99]) ).

fof(f99,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( ( ( ~ neq(X3,nil)
                      & neq(X1,nil) )
                    | ( ! [X4] :
                          ( ~ neq(nil,X1)
                          | X0 != X4
                          | tl(X1) != X4
                          | ~ ssList(X4) )
                      & ! [X5] :
                          ( ~ neq(nil,X3)
                          | tl(X3) != X5
                          | X2 = X5
                          | ~ ssList(X5) )
                      & neq(X1,nil) ) )
                  & X0 = X2
                  & X1 = X3
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f98]) ).

fof(f98,plain,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( ( ( neq(X3,nil)
                          | ~ neq(X1,nil) )
                        & ( ? [X4] :
                              ( neq(nil,X1)
                              & X0 = X4
                              & tl(X1) = X4
                              & ssList(X4) )
                          | ? [X5] :
                              ( neq(nil,X3)
                              & tl(X3) = X5
                              & X2 != X5
                              & ssList(X5) )
                          | ~ neq(X1,nil) ) )
                      | X0 != X2
                      | X1 != X3 ) ) ) ) ),
    inference(rectify,[],[f97]) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( ( ( neq(X3,nil)
                          | ~ neq(X1,nil) )
                        & ( ? [X5] :
                              ( neq(nil,X1)
                              & X0 = X5
                              & tl(X1) = X5
                              & ssList(X5) )
                          | ? [X4] :
                              ( neq(nil,X3)
                              & tl(X3) = X4
                              & X2 != X4
                              & ssList(X4) )
                          | ~ 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) )
                      & ( ? [X5] :
                            ( neq(nil,X1)
                            & X0 = X5
                            & tl(X1) = X5
                            & ssList(X5) )
                        | ? [X4] :
                            ( neq(nil,X3)
                            & tl(X3) = X4
                            & X2 != X4
                            & ssList(X4) )
                        | ~ neq(X1,nil) ) )
                    | X0 != X2
                    | X1 != X3 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

fof(f385,plain,
    ssList(sK22),
    inference(cnf_transformation,[],[f259]) ).

fof(f2303,plain,
    ( ~ ssList(sK20)
    | nil = sK20
    | ~ ssList(nil) ),
    inference(resolution,[],[f2302,f650]) ).

fof(f650,plain,
    ssList(sK19),
    inference(forward_demodulation,[],[f384,f387]) ).

fof(f387,plain,
    sK19 = sK21,
    inference(cnf_transformation,[],[f259]) ).

fof(f384,plain,
    ssList(sK21),
    inference(cnf_transformation,[],[f259]) ).

fof(f2302,plain,
    ( ~ ssList(sK19)
    | nil = sK20
    | ~ ssList(sK20)
    | ~ ssList(nil) ),
    inference(duplicate_literal_removal,[],[f2299]) ).

fof(f2299,plain,
    ( nil = sK20
    | ~ ssList(sK19)
    | nil = sK20
    | ~ ssList(sK20)
    | ~ ssList(nil) ),
    inference(resolution,[],[f2294,f578]) ).

fof(f578,plain,
    ! [X0,X1] :
      ( neq(X0,X1)
      | X0 = X1
      | ~ ssList(X1)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f360]) ).

fof(f2294,plain,
    ( ~ neq(nil,sK20)
    | nil = sK20
    | ~ ssList(sK19) ),
    inference(resolution,[],[f2293,f699]) ).

fof(f2293,plain,
    ( ~ neq(sK20,nil)
    | ~ neq(nil,sK20)
    | nil = sK20
    | ~ ssList(sK19) ),
    inference(resolution,[],[f2194,f646]) ).

fof(f646,plain,
    ( sP0(sK20,sK19,sK20,sK19)
    | ~ neq(sK20,nil) ),
    inference(forward_demodulation,[],[f645,f386]) ).

fof(f645,plain,
    ( sP0(sK20,sK19,sK22,sK19)
    | ~ neq(sK20,nil) ),
    inference(forward_demodulation,[],[f644,f387]) ).

fof(f644,plain,
    ( ~ neq(sK20,nil)
    | sP0(sK20,sK19,sK22,sK21) ),
    inference(forward_demodulation,[],[f389,f386]) ).

fof(f389,plain,
    ( ~ neq(sK22,nil)
    | sP0(sK20,sK19,sK22,sK21) ),
    inference(cnf_transformation,[],[f259]) ).

fof(f2194,plain,
    ! [X0,X1] :
      ( ~ sP0(sK20,sK19,X0,X1)
      | ~ ssList(sK19)
      | ~ neq(nil,sK20)
      | nil = sK20 ),
    inference(superposition,[],[f608,f2186]) ).

fof(f2186,plain,
    ( sK19 = tl(sK20)
    | nil = sK20 ),
    inference(resolution,[],[f2185,f398]) ).

fof(f2185,plain,
    ( ~ ssList(nil)
    | sK19 = tl(sK20)
    | nil = sK20 ),
    inference(resolution,[],[f2184,f649]) ).

fof(f2184,plain,
    ( ~ ssList(sK20)
    | nil = sK20
    | sK19 = tl(sK20)
    | ~ ssList(nil) ),
    inference(duplicate_literal_removal,[],[f2183]) ).

fof(f2183,plain,
    ( sK19 = tl(sK20)
    | nil = sK20
    | ~ ssList(sK20)
    | ~ ssList(nil)
    | nil = sK20
    | ~ ssList(sK20) ),
    inference(resolution,[],[f2181,f466]) ).

fof(f466,plain,
    ! [X0] :
      ( ssList(tl(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f154]) ).

fof(f154,plain,
    ! [X0] :
      ( ssList(tl(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(flattening,[],[f153]) ).

fof(f153,plain,
    ! [X0] :
      ( ssList(tl(X0))
      | nil = X0
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f24,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( nil != X0
       => ssList(tl(X0)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax24) ).

fof(f2181,plain,
    ( ~ ssList(tl(sK20))
    | sK19 = tl(sK20)
    | nil = sK20
    | ~ ssList(sK20)
    | ~ ssList(nil) ),
    inference(resolution,[],[f2178,f578]) ).

fof(f2178,plain,
    ( ~ neq(nil,sK20)
    | ~ ssList(tl(sK20))
    | sK19 = tl(sK20) ),
    inference(resolution,[],[f2165,f699]) ).

fof(f2165,plain,
    ( ~ neq(sK20,nil)
    | ~ ssList(tl(sK20))
    | ~ neq(nil,sK20)
    | sK19 = tl(sK20) ),
    inference(resolution,[],[f609,f646]) ).

fof(f609,plain,
    ! [X2,X3,X0,X1] :
      ( ~ sP0(X0,X1,X2,X3)
      | tl(X2) = X3
      | ~ ssList(tl(X2))
      | ~ neq(nil,X2) ),
    inference(equality_resolution,[],[f380]) ).

fof(f380,plain,
    ! [X2,X3,X0,X1,X5] :
      ( ~ neq(nil,X2)
      | tl(X2) != X5
      | X3 = X5
      | ~ ssList(X5)
      | ~ sP0(X0,X1,X2,X3) ),
    inference(cnf_transformation,[],[f254]) ).

fof(f254,plain,
    ! [X0,X1,X2,X3] :
      ( ( ! [X4] :
            ( ~ neq(nil,X0)
            | X1 != X4
            | tl(X0) != X4
            | ~ ssList(X4) )
        & ! [X5] :
            ( ~ neq(nil,X2)
            | tl(X2) != X5
            | X3 = X5
            | ~ ssList(X5) )
        & neq(X0,nil) )
      | ~ sP0(X0,X1,X2,X3) ),
    inference(rectify,[],[f253]) ).

fof(f253,plain,
    ! [X1,X0,X3,X2] :
      ( ( ! [X4] :
            ( ~ neq(nil,X1)
            | X0 != X4
            | tl(X1) != X4
            | ~ ssList(X4) )
        & ! [X5] :
            ( ~ neq(nil,X3)
            | tl(X3) != X5
            | X2 = X5
            | ~ ssList(X5) )
        & neq(X1,nil) )
      | ~ sP0(X1,X0,X3,X2) ),
    inference(nnf_transformation,[],[f224]) ).

fof(f608,plain,
    ! [X2,X3,X0] :
      ( ~ sP0(X0,tl(X0),X2,X3)
      | ~ ssList(tl(X0))
      | ~ neq(nil,X0) ),
    inference(equality_resolution,[],[f607]) ).

fof(f607,plain,
    ! [X2,X3,X0,X4] :
      ( ~ neq(nil,X0)
      | tl(X0) != X4
      | ~ ssList(X4)
      | ~ sP0(X0,X4,X2,X3) ),
    inference(equality_resolution,[],[f381]) ).

fof(f381,plain,
    ! [X2,X3,X0,X1,X4] :
      ( ~ neq(nil,X0)
      | X1 != X4
      | tl(X0) != X4
      | ~ ssList(X4)
      | ~ sP0(X0,X1,X2,X3) ),
    inference(cnf_transformation,[],[f254]) ).

fof(f699,plain,
    neq(sK20,nil),
    inference(duplicate_literal_removal,[],[f697]) ).

fof(f697,plain,
    ( neq(sK20,nil)
    | neq(sK20,nil) ),
    inference(resolution,[],[f379,f648]) ).

fof(f648,plain,
    ( sP0(sK20,sK19,sK20,sK19)
    | neq(sK20,nil) ),
    inference(forward_demodulation,[],[f647,f386]) ).

fof(f647,plain,
    ( sP0(sK20,sK19,sK22,sK19)
    | neq(sK20,nil) ),
    inference(forward_demodulation,[],[f388,f387]) ).

fof(f388,plain,
    ( neq(sK20,nil)
    | sP0(sK20,sK19,sK22,sK21) ),
    inference(cnf_transformation,[],[f259]) ).

fof(f379,plain,
    ! [X2,X3,X0,X1] :
      ( ~ sP0(X0,X1,X2,X3)
      | neq(X0,nil) ),
    inference(cnf_transformation,[],[f254]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : SWC415+1 : TPTP v8.1.2. Released v2.4.0.
% 0.07/0.14  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.14/0.35  % Computer : n009.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 Apr 30 04:05:11 EDT 2024
% 0.14/0.35  % CPUTime    : 
% 0.14/0.36  % (23700)Running in auto input_syntax mode. Trying TPTP
% 0.14/0.37  % (23703)WARNING: value z3 for option sas not known
% 0.14/0.38  % (23704)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.14/0.38  % (23702)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.14/0.38  % (23707)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)
% 0.14/0.38  % (23703)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)
% 0.14/0.38  % (23706)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)
% 0.14/0.38  % (23705)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)
% 0.14/0.38  % (23701)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.14/0.39  TRYING [1]
% 0.14/0.39  TRYING [1]
% 0.14/0.39  TRYING [2]
% 0.14/0.39  TRYING [2]
% 0.21/0.40  TRYING [3]
% 0.21/0.41  TRYING [3]
% 0.21/0.41  TRYING [1]
% 0.21/0.41  TRYING [2]
% 0.21/0.42  TRYING [3]
% 0.21/0.46  TRYING [4]
% 0.21/0.46  TRYING [4]
% 0.21/0.47  % (23706)First to succeed.
% 0.21/0.48  TRYING [4]
% 0.21/0.48  % (23706)Refutation found. Thanks to Tanya!
% 0.21/0.48  % SZS status Theorem for theBenchmark
% 0.21/0.48  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.48  % (23706)------------------------------
% 0.21/0.48  % (23706)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.21/0.48  % (23706)Termination reason: Refutation
% 0.21/0.48  
% 0.21/0.48  % (23706)Memory used [KB]: 2965
% 0.21/0.48  % (23706)Time elapsed: 0.101 s
% 0.21/0.48  % (23706)Instructions burned: 189 (million)
% 0.21/0.48  % (23706)------------------------------
% 0.21/0.48  % (23706)------------------------------
% 0.21/0.48  % (23700)Success in time 0.12 s
%------------------------------------------------------------------------------