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Vampire---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SWC271+1 : TPTP v9.3.1. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM

% Computer : n008.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Sep 29 01:03:13 PM UTC 2026

% Result   : Theorem 0.85s 0.96s
% Output   : Refutation 2.68s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   50 (   7 unt;   0 def)
%            Number of atoms       :  367 (  37 equ)
%            Maximal formula atoms :   17 (   7 avg)
%            Number of connectives :  522 ( 205   ~; 202   |;  83   &)
%                                         (   8 <=>;  24  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (  10 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :   11 (   9 usr;   1 prp; 0-2 aty)
%            Number of functors    :   16 (  16 usr;   4 con; 0-2 aty)
%            Number of variables   :  152 ( 122   !;  30   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f11,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( totalorderedP(X0)
      <=> ! [X1] :
            ( ssItem(X1)
           => ! [X2] :
                ( ssItem(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ! [X4] :
                        ( ssList(X4)
                       => ! [X5] :
                            ( ssList(X5)
                           => ( app(app(X3,cons(X1,X4)),cons(X2,X5)) = X0
                             => leq(X1,X2) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax11) ).

fof(f12,axiom,
    ! [X0] :
      ( ssList(X0)
     => ( strictorderedP(X0)
      <=> ! [X1] :
            ( ssItem(X1)
           => ! [X2] :
                ( ssItem(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ! [X4] :
                        ( ssList(X4)
                       => ! [X5] :
                            ( ssList(X5)
                           => ( app(app(X3,cons(X1,X4)),cons(X2,X5)) = X0
                             => lt(X1,X2) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax12) ).

fof(f93,axiom,
    ! [X0] :
      ( ssItem(X0)
     => ! [X1] :
          ( ssItem(X1)
         => ( lt(X0,X1)
          <=> ( X0 != X1
              & leq(X0,X1) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ax93) ).

fof(f96,conjecture,
    ! [X0] :
      ( ssList(X0)
     => ! [X1] :
          ( ssList(X1)
         => ! [X2] :
              ( ssList(X2)
             => ! [X3] :
                  ( ssList(X3)
                 => ( X1 != X3
                    | X0 != X2
                    | ~ frontsegP(X3,X2)
                    | ~ strictorderedP(X2)
                    | ? [X4] :
                        ( ssList(X4)
                        & neq(X2,X4)
                        & frontsegP(X3,X4)
                        & segmentP(X4,X2)
                        & strictorderedP(X4) )
                    | totalorderedP(X0) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1) ).

fof(f97,negated_conjecture,
    ~ ! [X0] :
        ( ssList(X0)
       => ! [X1] :
            ( ssList(X1)
           => ! [X2] :
                ( ssList(X2)
               => ! [X3] :
                    ( ssList(X3)
                   => ( X1 != X3
                      | X0 != X2
                      | ~ frontsegP(X3,X2)
                      | ~ strictorderedP(X2)
                      | ? [X4] :
                          ( ssList(X4)
                          & neq(X2,X4)
                          & frontsegP(X3,X4)
                          & segmentP(X4,X2)
                          & strictorderedP(X4) )
                      | totalorderedP(X0) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f96]) ).

fof(f98,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( X1 = X3
                  & X0 = X2
                  & frontsegP(X3,X2)
                  & strictorderedP(X2)
                  & ! [X4] :
                      ( ~ ssList(X4)
                      | ~ neq(X2,X4)
                      | ~ frontsegP(X3,X4)
                      | ~ segmentP(X4,X2)
                      | ~ strictorderedP(X4) )
                  & ~ totalorderedP(X0)
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(ennf_transformation,[],[f97]) ).

fof(f99,plain,
    ? [X0] :
      ( ? [X1] :
          ( ? [X2] :
              ( ? [X3] :
                  ( X1 = X3
                  & X0 = X2
                  & frontsegP(X3,X2)
                  & strictorderedP(X2)
                  & ! [X4] :
                      ( ~ ssList(X4)
                      | ~ neq(X2,X4)
                      | ~ frontsegP(X3,X4)
                      | ~ segmentP(X4,X2)
                      | ~ strictorderedP(X4) )
                  & ~ totalorderedP(X0)
                  & ssList(X3) )
              & ssList(X2) )
          & ssList(X1) )
      & ssList(X0) ),
    inference(flattening,[],[f98]) ).

fof(f125,plain,
    ! [X0] :
      ( ( totalorderedP(X0)
      <=> ! [X1] :
            ( ! [X2] :
                ( ! [X3] :
                    ( ! [X4] :
                        ( ! [X5] :
                            ( leq(X1,X2)
                            | app(app(X3,cons(X1,X4)),cons(X2,X5)) != X0
                            | ~ ssList(X5) )
                        | ~ ssList(X4) )
                    | ~ ssList(X3) )
                | ~ ssItem(X2) )
            | ~ ssItem(X1) ) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f126,plain,
    ! [X0] :
      ( ( totalorderedP(X0)
      <=> ! [X1] :
            ( ! [X2] :
                ( ! [X3] :
                    ( ! [X4] :
                        ( ! [X5] :
                            ( leq(X1,X2)
                            | app(app(X3,cons(X1,X4)),cons(X2,X5)) != X0
                            | ~ ssList(X5) )
                        | ~ ssList(X4) )
                    | ~ ssList(X3) )
                | ~ ssItem(X2) )
            | ~ ssItem(X1) ) )
      | ~ ssList(X0) ),
    inference(flattening,[],[f125]) ).

fof(f129,plain,
    ! [X0] :
      ( ( strictorderedP(X0)
      <=> ! [X1] :
            ( ! [X2] :
                ( ! [X3] :
                    ( ! [X4] :
                        ( ! [X5] :
                            ( lt(X1,X2)
                            | app(app(X3,cons(X1,X4)),cons(X2,X5)) != X0
                            | ~ ssList(X5) )
                        | ~ ssList(X4) )
                    | ~ ssList(X3) )
                | ~ ssItem(X2) )
            | ~ ssItem(X1) ) )
      | ~ ssList(X0) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f130,plain,
    ! [X0] :
      ( ( strictorderedP(X0)
      <=> ! [X1] :
            ( ! [X2] :
                ( ! [X3] :
                    ( ! [X4] :
                        ( ! [X5] :
                            ( lt(X1,X2)
                            | app(app(X3,cons(X1,X4)),cons(X2,X5)) != X0
                            | ~ ssList(X5) )
                        | ~ ssList(X4) )
                    | ~ ssList(X3) )
                | ~ ssItem(X2) )
            | ~ ssItem(X1) ) )
      | ~ ssList(X0) ),
    inference(flattening,[],[f129]) ).

fof(f161,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( lt(X0,X1)
          <=> ( X0 != X1
              & leq(X0,X1) ) )
          | ~ ssItem(X1) )
      | ~ ssItem(X0) ),
    inference(ennf_transformation,[],[f93]) ).

fof(f171,plain,
    ( sK1 = sK3
    & sK0 = sK2
    & frontsegP(sK3,sK2)
    & strictorderedP(sK2)
    & ! [X4] :
        ( ~ ssList(X4)
        | ~ neq(sK2,X4)
        | ~ frontsegP(sK3,X4)
        | ~ segmentP(X4,sK2)
        | ~ strictorderedP(X4) )
    & ~ totalorderedP(sK0)
    & ssList(sK3)
    & ssList(sK2)
    & ssList(sK1)
    & ssList(sK0) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3)],[f99]) ).

fof(f186,plain,
    ! [X0] :
      ( ( ( totalorderedP(X0)
          | ? [X1] :
              ( ? [X2] :
                  ( ? [X3] :
                      ( ? [X4] :
                          ( ? [X5] :
                              ( ~ leq(X1,X2)
                              & app(app(X3,cons(X1,X4)),cons(X2,X5)) = X0
                              & ssList(X5) )
                          & ssList(X4) )
                      & ssList(X3) )
                  & ssItem(X2) )
              & ssItem(X1) ) )
        & ( ! [X1] :
              ( ! [X2] :
                  ( ! [X3] :
                      ( ! [X4] :
                          ( ! [X5] :
                              ( leq(X1,X2)
                              | app(app(X3,cons(X1,X4)),cons(X2,X5)) != X0
                              | ~ ssList(X5) )
                          | ~ ssList(X4) )
                      | ~ ssList(X3) )
                  | ~ ssItem(X2) )
              | ~ ssItem(X1) )
          | ~ totalorderedP(X0) ) )
      | ~ ssList(X0) ),
    inference(nnf_transformation,[],[f126]) ).

fof(f187,plain,
    ! [X0] :
      ( ( ( totalorderedP(X0)
          | ? [X1] :
              ( ? [X2] :
                  ( ? [X3] :
                      ( ? [X4] :
                          ( ? [X5] :
                              ( ~ leq(X1,X2)
                              & app(app(X3,cons(X1,X4)),cons(X2,X5)) = X0
                              & ssList(X5) )
                          & ssList(X4) )
                      & ssList(X3) )
                  & ssItem(X2) )
              & ssItem(X1) ) )
        & ( ! [X6] :
              ( ! [X7] :
                  ( ! [X8] :
                      ( ! [X9] :
                          ( ! [X10] :
                              ( leq(X6,X7)
                              | app(app(X8,cons(X6,X9)),cons(X7,X10)) != X0
                              | ~ ssList(X10) )
                          | ~ ssList(X9) )
                      | ~ ssList(X8) )
                  | ~ ssItem(X7) )
              | ~ ssItem(X6) )
          | ~ totalorderedP(X0) ) )
      | ~ ssList(X0) ),
    inference(rectify,[],[f186]) ).

fof(f188,plain,
    ! [X0] :
      ( ( ( totalorderedP(X0)
          | ( ~ leq(sK7(X0),sK8(X0))
            & app(app(sK9(X0),cons(sK7(X0),sK10(X0))),cons(sK8(X0),sK11(X0))) = X0
            & ssList(sK11(X0))
            & ssList(sK10(X0))
            & ssList(sK9(X0))
            & ssItem(sK8(X0))
            & ssItem(sK7(X0)) ) )
        & ( ! [X6] :
              ( ! [X7] :
                  ( ! [X8] :
                      ( ! [X9] :
                          ( ! [X10] :
                              ( leq(X6,X7)
                              | app(app(X8,cons(X6,X9)),cons(X7,X10)) != X0
                              | ~ ssList(X10) )
                          | ~ ssList(X9) )
                      | ~ ssList(X8) )
                  | ~ ssItem(X7) )
              | ~ ssItem(X6) )
          | ~ totalorderedP(X0) ) )
      | ~ ssList(X0) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK7,sK8,sK9,sK10,sK11]),skolemize(X1,sK7(X0)),skolemize(X2,sK8(X0)),skolemize(X3,sK9(X0)),skolemize(X4,sK10(X0)),skolemize(X5,sK11(X0))],[f187]) ).

fof(f191,plain,
    ! [X0] :
      ( ( ( strictorderedP(X0)
          | ? [X1] :
              ( ? [X2] :
                  ( ? [X3] :
                      ( ? [X4] :
                          ( ? [X5] :
                              ( ~ lt(X1,X2)
                              & app(app(X3,cons(X1,X4)),cons(X2,X5)) = X0
                              & ssList(X5) )
                          & ssList(X4) )
                      & ssList(X3) )
                  & ssItem(X2) )
              & ssItem(X1) ) )
        & ( ! [X1] :
              ( ! [X2] :
                  ( ! [X3] :
                      ( ! [X4] :
                          ( ! [X5] :
                              ( lt(X1,X2)
                              | app(app(X3,cons(X1,X4)),cons(X2,X5)) != X0
                              | ~ ssList(X5) )
                          | ~ ssList(X4) )
                      | ~ ssList(X3) )
                  | ~ ssItem(X2) )
              | ~ ssItem(X1) )
          | ~ strictorderedP(X0) ) )
      | ~ ssList(X0) ),
    inference(nnf_transformation,[],[f130]) ).

fof(f192,plain,
    ! [X0] :
      ( ( ( strictorderedP(X0)
          | ? [X1] :
              ( ? [X2] :
                  ( ? [X3] :
                      ( ? [X4] :
                          ( ? [X5] :
                              ( ~ lt(X1,X2)
                              & app(app(X3,cons(X1,X4)),cons(X2,X5)) = X0
                              & ssList(X5) )
                          & ssList(X4) )
                      & ssList(X3) )
                  & ssItem(X2) )
              & ssItem(X1) ) )
        & ( ! [X6] :
              ( ! [X7] :
                  ( ! [X8] :
                      ( ! [X9] :
                          ( ! [X10] :
                              ( lt(X6,X7)
                              | app(app(X8,cons(X6,X9)),cons(X7,X10)) != X0
                              | ~ ssList(X10) )
                          | ~ ssList(X9) )
                      | ~ ssList(X8) )
                  | ~ ssItem(X7) )
              | ~ ssItem(X6) )
          | ~ strictorderedP(X0) ) )
      | ~ ssList(X0) ),
    inference(rectify,[],[f191]) ).

fof(f193,plain,
    ! [X0] :
      ( ( ( strictorderedP(X0)
          | ( ~ lt(sK12(X0),sK13(X0))
            & app(app(sK14(X0),cons(sK12(X0),sK15(X0))),cons(sK13(X0),sK16(X0))) = X0
            & ssList(sK16(X0))
            & ssList(sK15(X0))
            & ssList(sK14(X0))
            & ssItem(sK13(X0))
            & ssItem(sK12(X0)) ) )
        & ( ! [X6] :
              ( ! [X7] :
                  ( ! [X8] :
                      ( ! [X9] :
                          ( ! [X10] :
                              ( lt(X6,X7)
                              | app(app(X8,cons(X6,X9)),cons(X7,X10)) != X0
                              | ~ ssList(X10) )
                          | ~ ssList(X9) )
                      | ~ ssList(X8) )
                  | ~ ssItem(X7) )
              | ~ ssItem(X6) )
          | ~ strictorderedP(X0) ) )
      | ~ ssList(X0) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK12,sK13,sK14,sK15,sK16]),skolemize(X1,sK12(X0)),skolemize(X2,sK13(X0)),skolemize(X3,sK14(X0)),skolemize(X4,sK15(X0)),skolemize(X5,sK16(X0))],[f192]) ).

fof(f199,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( lt(X0,X1)
              | X0 = X1
              | ~ leq(X0,X1) )
            & ( ( X0 != X1
                & leq(X0,X1) )
              | ~ lt(X0,X1) ) )
          | ~ ssItem(X1) )
      | ~ ssItem(X0) ),
    inference(nnf_transformation,[],[f161]) ).

fof(f200,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( lt(X0,X1)
              | X0 = X1
              | ~ leq(X0,X1) )
            & ( ( X0 != X1
                & leq(X0,X1) )
              | ~ lt(X0,X1) ) )
          | ~ ssItem(X1) )
      | ~ ssItem(X0) ),
    inference(flattening,[],[f199]) ).

fof(f203,plain,
    ssList(sK2),
    inference(cnf_transformation,[],[f171]) ).

fof(f205,plain,
    ~ totalorderedP(sK0),
    inference(cnf_transformation,[],[f171]) ).

fof(f207,plain,
    strictorderedP(sK2),
    inference(cnf_transformation,[],[f171]) ).

fof(f209,plain,
    sK0 = sK2,
    inference(cnf_transformation,[],[f171]) ).

fof(f247,plain,
    ! [X0] :
      ( ssItem(sK7(X0))
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f188]) ).

fof(f248,plain,
    ! [X0] :
      ( ssItem(sK8(X0))
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f188]) ).

fof(f249,plain,
    ! [X0] :
      ( ssList(sK9(X0))
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f188]) ).

fof(f250,plain,
    ! [X0] :
      ( ssList(sK10(X0))
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f188]) ).

fof(f251,plain,
    ! [X0] :
      ( ssList(sK11(X0))
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f188]) ).

fof(f252,plain,
    ! [X0] :
      ( app(app(sK9(X0),cons(sK7(X0),sK10(X0))),cons(sK8(X0),sK11(X0))) = X0
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f188]) ).

fof(f253,plain,
    ! [X0] :
      ( ~ leq(sK7(X0),sK8(X0))
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f188]) ).

fof(f261,plain,
    ! [X10,X0,X8,X6,X9,X7] :
      ( lt(X6,X7)
      | app(app(X8,cons(X6,X9)),cons(X7,X10)) != X0
      | ~ ssList(X10)
      | ~ ssList(X9)
      | ~ ssList(X8)
      | ~ ssItem(X7)
      | ~ ssItem(X6)
      | ~ strictorderedP(X0)
      | ~ ssList(X0) ),
    inference(cnf_transformation,[],[f193]) ).

fof(f300,plain,
    ! [X0,X1] :
      ( leq(X0,X1)
      | ~ lt(X0,X1)
      | ~ ssItem(X1)
      | ~ ssItem(X0) ),
    inference(cnf_transformation,[],[f200]) ).

fof(f308,plain,
    ~ totalorderedP(sK2),
    inference(definition_unfolding,[],[f205,f209]) ).

fof(f323,plain,
    ! [X10,X8,X6,X9,X7] :
      ( ~ strictorderedP(app(app(X8,cons(X6,X9)),cons(X7,X10)))
      | ~ ssList(X10)
      | ~ ssList(X9)
      | ~ ssList(X8)
      | ~ ssItem(X7)
      | ~ ssItem(X6)
      | lt(X6,X7)
      | ~ ssList(app(app(X8,cons(X6,X9)),cons(X7,X10))) ),
    inference(equality_resolution,[],[f261]) ).

fof(f370,plain,
    ! [X0] :
      ( ~ lt(sK7(X0),sK8(X0))
      | ~ ssItem(sK8(X0))
      | ~ ssItem(sK7(X0))
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(resolution,[],[f300,f253]) ).

fof(f371,plain,
    ! [X0] :
      ( ~ lt(sK7(X0),sK8(X0))
      | ~ ssItem(sK7(X0))
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[],[f370,f248]) ).

fof(f372,plain,
    ! [X0] :
      ( ~ lt(sK7(X0),sK8(X0))
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(forward_subsumption_resolution,[],[f371,f247]) ).

fof(f1507,plain,
    ! [X0] :
      ( ~ strictorderedP(X0)
      | ~ ssList(sK11(X0))
      | ~ ssList(sK10(X0))
      | ~ ssList(sK9(X0))
      | ~ ssItem(sK8(X0))
      | ~ ssItem(sK7(X0))
      | lt(sK7(X0),sK8(X0))
      | ~ ssList(X0)
      | totalorderedP(X0)
      | ~ ssList(X0) ),
    inference(superposition,[],[f323,f252]) ).

fof(f1512,plain,
    ! [X0] :
      ( ~ strictorderedP(X0)
      | ~ ssList(sK11(X0))
      | ~ ssList(sK10(X0))
      | ~ ssList(sK9(X0))
      | ~ ssItem(sK8(X0))
      | ~ ssItem(sK7(X0))
      | lt(sK7(X0),sK8(X0))
      | ~ ssList(X0)
      | totalorderedP(X0) ),
    inference(duplicate_literal_removal,[],[f1507]) ).

fof(f1516,plain,
    ! [X0] :
      ( ~ strictorderedP(X0)
      | ~ ssList(sK11(X0))
      | ~ ssList(sK10(X0))
      | ~ ssList(sK9(X0))
      | ~ ssItem(sK8(X0))
      | ~ ssItem(sK7(X0))
      | ~ ssList(X0)
      | totalorderedP(X0) ),
    inference(forward_subsumption_resolution,[],[f1512,f372]) ).

fof(f1527,plain,
    ! [X0] :
      ( ~ strictorderedP(X0)
      | ~ ssList(sK10(X0))
      | ~ ssList(sK9(X0))
      | ~ ssItem(sK8(X0))
      | ~ ssItem(sK7(X0))
      | ~ ssList(X0)
      | totalorderedP(X0) ),
    inference(forward_subsumption_resolution,[],[f1516,f251]) ).

fof(f1534,plain,
    ! [X0] :
      ( ~ strictorderedP(X0)
      | ~ ssList(sK9(X0))
      | ~ ssItem(sK8(X0))
      | ~ ssItem(sK7(X0))
      | ~ ssList(X0)
      | totalorderedP(X0) ),
    inference(forward_subsumption_resolution,[],[f1527,f250]) ).

fof(f1535,plain,
    ! [X0] :
      ( ~ strictorderedP(X0)
      | ~ ssItem(sK8(X0))
      | ~ ssItem(sK7(X0))
      | ~ ssList(X0)
      | totalorderedP(X0) ),
    inference(forward_subsumption_resolution,[],[f1534,f249]) ).

fof(f1536,plain,
    ! [X0] :
      ( ~ strictorderedP(X0)
      | ~ ssItem(sK7(X0))
      | ~ ssList(X0)
      | totalorderedP(X0) ),
    inference(forward_subsumption_resolution,[],[f1535,f248]) ).

fof(f1537,plain,
    ! [X0] :
      ( totalorderedP(X0)
      | ~ ssList(X0)
      | ~ strictorderedP(X0) ),
    inference(forward_subsumption_resolution,[],[f1536,f247]) ).

fof(f1665,plain,
    ( ~ ssList(sK2)
    | ~ strictorderedP(sK2) ),
    inference(resolution,[],[f1537,f308]) ).

fof(f1670,plain,
    ~ strictorderedP(sK2),
    inference(forward_subsumption_resolution,[],[f1665,f203]) ).

fof(f1671,plain,
    $false,
    inference(forward_subsumption_resolution,[],[f1670,f207]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SWC271+1 : TPTP v9.3.1. Released v2.4.0.
% 0.00/0.06  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.20  % Computer : n008.cluster.edu
% 0.08/0.20  % Model    : x86_64 x86_64
% 0.08/0.20  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.20  % Memory   : 8046.5625MB
% 0.08/0.20  % OS       : Linux 6.8.0-71-generic
% 0.08/0.20  % CPULimit : 300
% 0.08/0.20  % WCLimit  : 300
% 0.08/0.20  % DateTime : Mon Sep 28 08:49:10 UTC 2026
% 0.08/0.20  % CPUTime  : 
% 0.08/0.20  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.24  Running first-order theorem proving
% 0.08/0.24  Running: /export/starexec/sandbox/solver/bin/vampire --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.85/0.96  % (2106750)Detected formulas, will run a generic FOF schedule.
% 0.85/0.96  % (2106759)dis-1010_2:3_sil=16000:sp=reverse_frequency:random_seed=1429668560:i=119:av=off:ss=axioms_2999 on theBenchmark for (2999ds/119Mi)
% 0.85/0.96  % (2106759)First to succeed.
% 0.85/0.96  % (2106759)Solution written to "/export/starexec/sandbox/tmp/vampire-proof-2106750"
% 0.85/0.96  % (2106760)dis-1011_1_sil=16000:fde=unused:s2agt=70:random_seed=3375986382:s2a=on:i=139:gtg=position_2999 on theBenchmark for (2999ds/139Mi)
% 0.85/0.96  % (2106755)lrs+10_1_ncem=casc2026/models/loop8.pt:sil=128000:tgt=full:npcc=on:drc=off:sp=weighted_frequency:spb=goal:fd=preordered:foolp=on:random_seed=1240729152:i=141193_2999 on theBenchmark for (2999ds/141193Mi)
% 0.85/0.96  % (2106756)lrs+11_1_ncem=casc2026/models/loop8.pt:sil=128000:npcc=on:lma=off:spb=units:urr=ec_only:bce=on:s2agt=64:updr=off:random_seed=1984261190:i=134677:sd=20:aac=none:nm=16:ss=included:sgt=10_2999 on theBenchmark for (2999ds/134677Mi)
% 0.85/0.96  % (2106757)lrs+1010_1_anc=all:sfv=off:to=kbo:ncem=casc2026/models/loop7.pt:sil=128000:npcc=on:prc=on:sos=all:bsr=unit_only:sac=on:random_seed=3880975908:i=141695:sd=1:nm=32:gsp=on:ss=included_2999 on theBenchmark for (2999ds/141695Mi)
% 0.85/0.96  % (2106758)lrs+1010_1_to=lpo:sil=32000:sos=on:spb=goal_then_units:bce=on:random_seed=2099308857:i=109:sd=1:ins=1:gsp=on:ss=axioms_2999 on theBenchmark for (2999ds/109Mi)
% 0.85/0.96  % (2106761)dis-21_1_sil=8000:lcm=predicate:random_seed=1633336616:st=5:avsq=on:i=129:avsqr=1,16:sd=3:aac=none:ep=RS:fsr=off:ss=included_2999 on theBenchmark for (2999ds/129Mi)
% 0.85/0.96  % (2106758)Instruction limit reached! 
% 0.85/0.96  % (2106758)------------------------------
% 0.85/0.96  % (2106758)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 0.85/0.96  % (2106758)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.85/0.96  % (2106758)CaDiCaL version: 2.1.3
% 0.85/0.96  % (2106758)Termination reason: Instruction limit
% 0.85/0.96  % (2106758)Termination phase: Saturation
% 0.85/0.96  % (2106758)Time elapsed: 0.065 s
% 0.85/0.96  % (2106758)Peak memory usage: 89 MB
% 0.85/0.96  % (2106758)Instructions burned: 109 (million)
% 0.85/0.96  % (2106761)Instruction limit reached! 
% 0.85/0.96  % (2106761)------------------------------
% 0.85/0.96  % (2106761)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 0.85/0.96  % (2106761)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.85/0.96  % (2106761)CaDiCaL version: 2.1.3
% 0.85/0.96  % (2106761)Termination reason: Instruction limit
% 0.85/0.96  % (2106761)Termination phase: Saturation
% 0.85/0.96  % (2106761)Time elapsed: 0.074 s
% 0.85/0.96  % (2106761)Peak memory usage: 90 MB
% 0.85/0.96  % (2106761)Instructions burned: 130 (million)
% 0.85/0.96  % (2106760)Instruction limit reached! 
% 0.85/0.96  % (2106760)------------------------------
% 0.85/0.96  % (2106760)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 0.85/0.96  % (2106760)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.85/0.96  % (2106760)CaDiCaL version: 2.1.3
% 0.85/0.96  % (2106760)Termination reason: Instruction limit
% 0.85/0.96  % (2106760)Termination phase: Saturation
% 0.85/0.96  % (2106760)Time elapsed: 0.094 s
% 0.85/0.96  % (2106760)Peak memory usage: 90 MB
% 0.85/0.96  % (2106760)Instructions burned: 140 (million)
% 0.85/0.96  % (2106759)Refutation found. Thanks to Tanya!
% 0.85/0.96  % SZS status Theorem for theBenchmark
% 0.85/0.96  % SZS output start Proof for theBenchmark
% See solution above
% 2.68/1.15  % (2106759)------------------------------
% 2.68/1.15  % (2106759)Version: Vampire 5.0.1 (Release build, commit ea8961452 on 2026-07-16 15:14:34 +0200)
% 2.68/1.15  % (2106759)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 2.68/1.15  % (2106759)CaDiCaL version: 2.1.3
% 2.68/1.15  % (2106759)Termination reason: Refutation
% 2.68/1.15  % (2106759)Time elapsed: 0.019 s
% 2.68/1.15  % (2106759)Peak memory usage: 89 MB
% 2.68/1.15  % (2106759)Instructions burned: 60 (million)
% 2.68/1.15  % (2106759)------------------------------
% 2.68/1.15  % (2106759)------------------------------
% 2.68/1.15  % (2106750)Success in time 0.284 s
% 2.68/1.15  % Vampire exiting
%------------------------------------------------------------------------------