TSTP Solution File: KRS104+1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : KRS104+1 : TPTP v8.1.0. Released v3.1.0.
% 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 : 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 : Wed Aug 31 17:30:49 EDT 2022

% Result   : Unsatisfiable 0.21s 0.52s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   31
% Syntax   : Number of formulae    :  142 (   9 unt;   0 def)
%            Number of atoms       :  394 (   0 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  403 ( 151   ~; 149   |;  61   &)
%                                         (  28 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   21 (  20 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   1 con; 0-1 aty)
%            Number of variables   :  236 ( 184   !;  52   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f246,plain,
    $false,
    inference(resolution,[],[f244,f144]) ).

fof(f144,plain,
    cUnsatisfiable(i2003_11_14_17_20_50869),
    inference(cnf_transformation,[],[f24]) ).

fof(f24,axiom,
    cUnsatisfiable(i2003_11_14_17_20_50869),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_23) ).

fof(f244,plain,
    ! [X0] : ~ cUnsatisfiable(X0),
    inference(resolution,[],[f242,f139]) ).

fof(f139,plain,
    ! [X0,X1] :
      ( ~ ra_Px5(X0,X1)
      | ~ cUnsatisfiable(X0) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f36,plain,
    ! [X0] :
      ( ~ cUnsatisfiable(X0)
      | ! [X1] : ~ ra_Px5(X0,X1) ),
    inference(ennf_transformation,[],[f32]) ).

fof(f32,plain,
    ! [X0] :
      ( cUnsatisfiable(X0)
     => ~ ? [X1] : ra_Px5(X0,X1) ),
    inference(unused_predicate_definition_removal,[],[f3]) ).

fof(f3,axiom,
    ! [X0] :
      ( ~ ? [X1] : ra_Px5(X0,X1)
    <=> cUnsatisfiable(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_2) ).

fof(f242,plain,
    ! [X0] : ra_Px5(X0,sK6(X0)),
    inference(resolution,[],[f238,f113]) ).

fof(f113,plain,
    ! [X0] :
      ( ~ cUnsatisfiablexcomp(X0)
      | ra_Px5(X0,sK6(X0)) ),
    inference(cnf_transformation,[],[f70]) ).

fof(f70,plain,
    ! [X0] :
      ( ( cUnsatisfiablexcomp(X0)
        | ! [X1] : ~ ra_Px5(X0,X1) )
      & ( ra_Px5(X0,sK6(X0))
        | ~ cUnsatisfiablexcomp(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f68,f69]) ).

fof(f69,plain,
    ! [X0] :
      ( ? [X2] : ra_Px5(X0,X2)
     => ra_Px5(X0,sK6(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f68,plain,
    ! [X0] :
      ( ( cUnsatisfiablexcomp(X0)
        | ! [X1] : ~ ra_Px5(X0,X1) )
      & ( ? [X2] : ra_Px5(X0,X2)
        | ~ cUnsatisfiablexcomp(X0) ) ),
    inference(rectify,[],[f67]) ).

fof(f67,plain,
    ! [X0] :
      ( ( cUnsatisfiablexcomp(X0)
        | ! [X1] : ~ ra_Px5(X0,X1) )
      & ( ? [X1] : ra_Px5(X0,X1)
        | ~ cUnsatisfiablexcomp(X0) ) ),
    inference(nnf_transformation,[],[f28]) ).

fof(f28,plain,
    ! [X0] :
      ( cUnsatisfiablexcomp(X0)
    <=> ? [X1] : ra_Px5(X0,X1) ),
    inference(rectify,[],[f5]) ).

fof(f5,axiom,
    ! [X0] :
      ( cUnsatisfiablexcomp(X0)
    <=> ? [X2] : ra_Px5(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_4) ).

fof(f238,plain,
    ! [X0] : cUnsatisfiablexcomp(X0),
    inference(subsumption_resolution,[],[f237,f221]) ).

fof(f221,plain,
    ! [X0] : ca_Cx7(X0),
    inference(subsumption_resolution,[],[f220,f161]) ).

fof(f161,plain,
    ! [X2] :
      ( ca(X2)
      | ca_Cx7(X2) ),
    inference(resolution,[],[f153,f126]) ).

fof(f126,plain,
    ! [X0] :
      ( ~ ca_Cx7xcomp(X0)
      | ca(X0) ),
    inference(cnf_transformation,[],[f78]) ).

fof(f78,plain,
    ! [X0] :
      ( ( ca_Cx7xcomp(X0)
        | ~ ca(X0)
        | ~ cc(X0) )
      & ( ( ca(X0)
          & cc(X0) )
        | ~ ca_Cx7xcomp(X0) ) ),
    inference(flattening,[],[f77]) ).

fof(f77,plain,
    ! [X0] :
      ( ( ca_Cx7xcomp(X0)
        | ~ ca(X0)
        | ~ cc(X0) )
      & ( ( ca(X0)
          & cc(X0) )
        | ~ ca_Cx7xcomp(X0) ) ),
    inference(nnf_transformation,[],[f19]) ).

fof(f19,axiom,
    ! [X0] :
      ( ca_Cx7xcomp(X0)
    <=> ( ca(X0)
        & cc(X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_18) ).

fof(f153,plain,
    ! [X0] :
      ( ca_Cx7xcomp(X0)
      | ca_Cx7(X0) ),
    inference(resolution,[],[f111,f142]) ).

fof(f142,plain,
    ! [X2,X0] :
      ( ~ ra_Px7(X0,X2)
      | ca_Cx7(X0) ),
    inference(cnf_transformation,[],[f100]) ).

fof(f100,plain,
    ! [X0] :
      ( ( ra_Px7(X0,sK11(X0))
        | ~ ca_Cx7(X0) )
      & ( ca_Cx7(X0)
        | ! [X2] : ~ ra_Px7(X0,X2) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK11])],[f98,f99]) ).

fof(f99,plain,
    ! [X0] :
      ( ? [X1] : ra_Px7(X0,X1)
     => ra_Px7(X0,sK11(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f98,plain,
    ! [X0] :
      ( ( ? [X1] : ra_Px7(X0,X1)
        | ~ ca_Cx7(X0) )
      & ( ca_Cx7(X0)
        | ! [X2] : ~ ra_Px7(X0,X2) ) ),
    inference(rectify,[],[f97]) ).

fof(f97,plain,
    ! [X0] :
      ( ( ? [X1] : ra_Px7(X0,X1)
        | ~ ca_Cx7(X0) )
      & ( ca_Cx7(X0)
        | ! [X1] : ~ ra_Px7(X0,X1) ) ),
    inference(nnf_transformation,[],[f30]) ).

fof(f30,plain,
    ! [X0] :
      ( ? [X1] : ra_Px7(X0,X1)
    <=> ca_Cx7(X0) ),
    inference(rectify,[],[f18]) ).

fof(f18,axiom,
    ! [X0] :
      ( ca_Cx7(X0)
    <=> ? [X2] : ra_Px7(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_17) ).

fof(f111,plain,
    ! [X0] :
      ( ra_Px7(X0,sK5(X0))
      | ca_Cx7xcomp(X0) ),
    inference(cnf_transformation,[],[f66]) ).

fof(f66,plain,
    ! [X0] :
      ( ( ! [X1] : ~ ra_Px7(X0,X1)
        | ~ ca_Cx7xcomp(X0) )
      & ( ca_Cx7xcomp(X0)
        | ra_Px7(X0,sK5(X0)) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK5])],[f64,f65]) ).

fof(f65,plain,
    ! [X0] :
      ( ? [X2] : ra_Px7(X0,X2)
     => ra_Px7(X0,sK5(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f64,plain,
    ! [X0] :
      ( ( ! [X1] : ~ ra_Px7(X0,X1)
        | ~ ca_Cx7xcomp(X0) )
      & ( ca_Cx7xcomp(X0)
        | ? [X2] : ra_Px7(X0,X2) ) ),
    inference(rectify,[],[f63]) ).

fof(f63,plain,
    ! [X0] :
      ( ( ! [X1] : ~ ra_Px7(X0,X1)
        | ~ ca_Cx7xcomp(X0) )
      & ( ca_Cx7xcomp(X0)
        | ? [X1] : ra_Px7(X0,X1) ) ),
    inference(nnf_transformation,[],[f38]) ).

fof(f38,plain,
    ! [X0] :
      ( ! [X1] : ~ ra_Px7(X0,X1)
    <=> ca_Cx7xcomp(X0) ),
    inference(ennf_transformation,[],[f20]) ).

fof(f20,axiom,
    ! [X0] :
      ( ~ ? [X1] : ra_Px7(X0,X1)
    <=> ca_Cx7xcomp(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_19) ).

fof(f220,plain,
    ! [X0] :
      ( ~ ca(X0)
      | ca_Cx7(X0) ),
    inference(resolution,[],[f209,f131]) ).

fof(f131,plain,
    ! [X0] :
      ( ca_Cx1(X0)
      | ~ ca(X0) ),
    inference(cnf_transformation,[],[f35]) ).

fof(f35,plain,
    ! [X0] :
      ( ca_Cx1(X0)
      | ~ ca(X0) ),
    inference(ennf_transformation,[],[f6]) ).

fof(f6,axiom,
    ! [X0] :
      ( ca(X0)
     => ca_Cx1(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_5) ).

fof(f209,plain,
    ! [X1] :
      ( ~ ca_Cx1(X1)
      | ca_Cx7(X1) ),
    inference(resolution,[],[f206,f124]) ).

fof(f124,plain,
    ! [X0] :
      ( ccxcomp(X0)
      | ~ ca_Cx1(X0) ),
    inference(cnf_transformation,[],[f76]) ).

fof(f76,plain,
    ! [X0] :
      ( ( ( ccxcomp(X0)
          & cbxcomp(X0) )
        | ~ ca_Cx1(X0) )
      & ( ca_Cx1(X0)
        | ~ ccxcomp(X0)
        | ~ cbxcomp(X0) ) ),
    inference(flattening,[],[f75]) ).

fof(f75,plain,
    ! [X0] :
      ( ( ( ccxcomp(X0)
          & cbxcomp(X0) )
        | ~ ca_Cx1(X0) )
      & ( ca_Cx1(X0)
        | ~ ccxcomp(X0)
        | ~ cbxcomp(X0) ) ),
    inference(nnf_transformation,[],[f12]) ).

fof(f12,axiom,
    ! [X0] :
      ( ( ccxcomp(X0)
        & cbxcomp(X0) )
    <=> ca_Cx1(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_11) ).

fof(f206,plain,
    ! [X0] :
      ( ~ ccxcomp(X0)
      | ca_Cx7(X0) ),
    inference(resolution,[],[f178,f108]) ).

fof(f108,plain,
    ! [X0,X1] :
      ( ~ ra_Px2(X0,X1)
      | ~ ccxcomp(X0) ),
    inference(cnf_transformation,[],[f58]) ).

fof(f58,plain,
    ! [X0] :
      ( ( ! [X1] : ~ ra_Px2(X0,X1)
        | ~ ccxcomp(X0) )
      & ( ccxcomp(X0)
        | ra_Px2(X0,sK3(X0)) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3])],[f56,f57]) ).

fof(f57,plain,
    ! [X0] :
      ( ? [X2] : ra_Px2(X0,X2)
     => ra_Px2(X0,sK3(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f56,plain,
    ! [X0] :
      ( ( ! [X1] : ~ ra_Px2(X0,X1)
        | ~ ccxcomp(X0) )
      & ( ccxcomp(X0)
        | ? [X2] : ra_Px2(X0,X2) ) ),
    inference(rectify,[],[f55]) ).

fof(f55,plain,
    ! [X0] :
      ( ( ! [X1] : ~ ra_Px2(X0,X1)
        | ~ ccxcomp(X0) )
      & ( ccxcomp(X0)
        | ? [X1] : ra_Px2(X0,X1) ) ),
    inference(nnf_transformation,[],[f40]) ).

fof(f40,plain,
    ! [X0] :
      ( ! [X1] : ~ ra_Px2(X0,X1)
    <=> ccxcomp(X0) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,axiom,
    ! [X0] :
      ( ~ ? [X1] : ra_Px2(X0,X1)
    <=> ccxcomp(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_10) ).

fof(f178,plain,
    ! [X2] :
      ( ra_Px2(X2,sK2(X2))
      | ca_Cx7(X2) ),
    inference(resolution,[],[f162,f105]) ).

fof(f105,plain,
    ! [X0] :
      ( ~ cc(X0)
      | ra_Px2(X0,sK2(X0)) ),
    inference(cnf_transformation,[],[f54]) ).

fof(f54,plain,
    ! [X0] :
      ( ( cc(X0)
        | ! [X1] : ~ ra_Px2(X0,X1) )
      & ( ra_Px2(X0,sK2(X0))
        | ~ cc(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2])],[f52,f53]) ).

fof(f53,plain,
    ! [X0] :
      ( ? [X2] : ra_Px2(X0,X2)
     => ra_Px2(X0,sK2(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f52,plain,
    ! [X0] :
      ( ( cc(X0)
        | ! [X1] : ~ ra_Px2(X0,X1) )
      & ( ? [X2] : ra_Px2(X0,X2)
        | ~ cc(X0) ) ),
    inference(rectify,[],[f51]) ).

fof(f51,plain,
    ! [X0] :
      ( ( cc(X0)
        | ! [X1] : ~ ra_Px2(X0,X1) )
      & ( ? [X1] : ra_Px2(X0,X1)
        | ~ cc(X0) ) ),
    inference(nnf_transformation,[],[f26]) ).

fof(f26,plain,
    ! [X0] :
      ( cc(X0)
    <=> ? [X1] : ra_Px2(X0,X1) ),
    inference(rectify,[],[f10]) ).

fof(f10,axiom,
    ! [X0] :
      ( ? [X2] : ra_Px2(X0,X2)
    <=> cc(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_9) ).

fof(f162,plain,
    ! [X3] :
      ( cc(X3)
      | ca_Cx7(X3) ),
    inference(resolution,[],[f153,f125]) ).

fof(f125,plain,
    ! [X0] :
      ( ~ ca_Cx7xcomp(X0)
      | cc(X0) ),
    inference(cnf_transformation,[],[f78]) ).

fof(f237,plain,
    ! [X0] :
      ( ~ ca_Cx7(X0)
      | cUnsatisfiablexcomp(X0) ),
    inference(subsumption_resolution,[],[f236,f203]) ).

fof(f203,plain,
    ! [X0] : ca_Cx8(X0),
    inference(subsumption_resolution,[],[f201,f148]) ).

fof(f148,plain,
    ! [X1] :
      ( cb(X1)
      | ca_Cx8(X1) ),
    inference(resolution,[],[f146,f129]) ).

fof(f129,plain,
    ! [X0] :
      ( ~ ca_Cx8xcomp(X0)
      | cb(X0) ),
    inference(cnf_transformation,[],[f80]) ).

fof(f80,plain,
    ! [X0] :
      ( ( ca_Cx8xcomp(X0)
        | ~ cb(X0)
        | ~ cc(X0) )
      & ( ( cb(X0)
          & cc(X0) )
        | ~ ca_Cx8xcomp(X0) ) ),
    inference(flattening,[],[f79]) ).

fof(f79,plain,
    ! [X0] :
      ( ( ca_Cx8xcomp(X0)
        | ~ cb(X0)
        | ~ cc(X0) )
      & ( ( cb(X0)
          & cc(X0) )
        | ~ ca_Cx8xcomp(X0) ) ),
    inference(nnf_transformation,[],[f23]) ).

fof(f23,axiom,
    ! [X0] :
      ( ca_Cx8xcomp(X0)
    <=> ( cb(X0)
        & cc(X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_22) ).

fof(f146,plain,
    ! [X1] :
      ( ca_Cx8xcomp(X1)
      | ca_Cx8(X1) ),
    inference(resolution,[],[f103,f101]) ).

fof(f101,plain,
    ! [X2,X0] :
      ( ~ ra_Px8(X0,X2)
      | ca_Cx8xcomp(X0) ),
    inference(cnf_transformation,[],[f46]) ).

fof(f46,plain,
    ! [X0] :
      ( ( ra_Px8(X0,sK0(X0))
        | ~ ca_Cx8xcomp(X0) )
      & ( ca_Cx8xcomp(X0)
        | ! [X2] : ~ ra_Px8(X0,X2) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f44,f45]) ).

fof(f45,plain,
    ! [X0] :
      ( ? [X1] : ra_Px8(X0,X1)
     => ra_Px8(X0,sK0(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f44,plain,
    ! [X0] :
      ( ( ? [X1] : ra_Px8(X0,X1)
        | ~ ca_Cx8xcomp(X0) )
      & ( ca_Cx8xcomp(X0)
        | ! [X2] : ~ ra_Px8(X0,X2) ) ),
    inference(rectify,[],[f43]) ).

fof(f43,plain,
    ! [X0] :
      ( ( ? [X1] : ra_Px8(X0,X1)
        | ~ ca_Cx8xcomp(X0) )
      & ( ca_Cx8xcomp(X0)
        | ! [X1] : ~ ra_Px8(X0,X1) ) ),
    inference(nnf_transformation,[],[f25]) ).

fof(f25,plain,
    ! [X0] :
      ( ? [X1] : ra_Px8(X0,X1)
    <=> ca_Cx8xcomp(X0) ),
    inference(rectify,[],[f22]) ).

fof(f22,axiom,
    ! [X0] :
      ( ca_Cx8xcomp(X0)
    <=> ? [X2] : ra_Px8(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_21) ).

fof(f103,plain,
    ! [X0] :
      ( ra_Px8(X0,sK1(X0))
      | ca_Cx8(X0) ),
    inference(cnf_transformation,[],[f50]) ).

fof(f50,plain,
    ! [X0] :
      ( ( ! [X1] : ~ ra_Px8(X0,X1)
        | ~ ca_Cx8(X0) )
      & ( ca_Cx8(X0)
        | ra_Px8(X0,sK1(X0)) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f48,f49]) ).

fof(f49,plain,
    ! [X0] :
      ( ? [X2] : ra_Px8(X0,X2)
     => ra_Px8(X0,sK1(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f48,plain,
    ! [X0] :
      ( ( ! [X1] : ~ ra_Px8(X0,X1)
        | ~ ca_Cx8(X0) )
      & ( ca_Cx8(X0)
        | ? [X2] : ra_Px8(X0,X2) ) ),
    inference(rectify,[],[f47]) ).

fof(f47,plain,
    ! [X0] :
      ( ( ! [X1] : ~ ra_Px8(X0,X1)
        | ~ ca_Cx8(X0) )
      & ( ca_Cx8(X0)
        | ? [X1] : ra_Px8(X0,X1) ) ),
    inference(nnf_transformation,[],[f42]) ).

fof(f42,plain,
    ! [X0] :
      ( ! [X1] : ~ ra_Px8(X0,X1)
    <=> ca_Cx8(X0) ),
    inference(ennf_transformation,[],[f21]) ).

fof(f21,axiom,
    ! [X0] :
      ( ca_Cx8(X0)
    <=> ~ ? [X1] : ra_Px8(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_20) ).

fof(f201,plain,
    ! [X0] :
      ( ca_Cx8(X0)
      | ~ cb(X0) ),
    inference(resolution,[],[f197,f132]) ).

fof(f132,plain,
    ! [X0] :
      ( ccxcomp(X0)
      | ~ cb(X0) ),
    inference(cnf_transformation,[],[f39]) ).

fof(f39,plain,
    ! [X0] :
      ( ~ cb(X0)
      | ccxcomp(X0) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,axiom,
    ! [X0] :
      ( cb(X0)
     => ccxcomp(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_7) ).

fof(f197,plain,
    ! [X0] :
      ( ~ ccxcomp(X0)
      | ca_Cx8(X0) ),
    inference(resolution,[],[f175,f108]) ).

fof(f175,plain,
    ! [X2] :
      ( ra_Px2(X2,sK2(X2))
      | ca_Cx8(X2) ),
    inference(resolution,[],[f149,f105]) ).

fof(f149,plain,
    ! [X2] :
      ( cc(X2)
      | ca_Cx8(X2) ),
    inference(resolution,[],[f146,f128]) ).

fof(f128,plain,
    ! [X0] :
      ( ~ ca_Cx8xcomp(X0)
      | cc(X0) ),
    inference(cnf_transformation,[],[f80]) ).

fof(f236,plain,
    ! [X0] :
      ( cUnsatisfiablexcomp(X0)
      | ~ ca_Cx8(X0)
      | ~ ca_Cx7(X0) ),
    inference(resolution,[],[f235,f118]) ).

fof(f118,plain,
    ! [X0] :
      ( ~ ca_Cx6(X0)
      | ~ ca_Cx8(X0)
      | cUnsatisfiablexcomp(X0)
      | ~ ca_Cx7(X0) ),
    inference(cnf_transformation,[],[f74]) ).

fof(f74,plain,
    ! [X0] :
      ( ( ( ca_Cx7(X0)
          & ca_Cx6(X0)
          & ca_Cx8(X0) )
        | ~ cUnsatisfiablexcomp(X0) )
      & ( cUnsatisfiablexcomp(X0)
        | ~ ca_Cx7(X0)
        | ~ ca_Cx6(X0)
        | ~ ca_Cx8(X0) ) ),
    inference(flattening,[],[f73]) ).

fof(f73,plain,
    ! [X0] :
      ( ( ( ca_Cx7(X0)
          & ca_Cx6(X0)
          & ca_Cx8(X0) )
        | ~ cUnsatisfiablexcomp(X0) )
      & ( cUnsatisfiablexcomp(X0)
        | ~ ca_Cx7(X0)
        | ~ ca_Cx6(X0)
        | ~ ca_Cx8(X0) ) ),
    inference(nnf_transformation,[],[f4]) ).

fof(f4,axiom,
    ! [X0] :
      ( ( ca_Cx7(X0)
        & ca_Cx6(X0)
        & ca_Cx8(X0) )
    <=> cUnsatisfiablexcomp(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_3) ).

fof(f235,plain,
    ! [X0] : ca_Cx6(X0),
    inference(subsumption_resolution,[],[f234,f164]) ).

fof(f164,plain,
    ! [X1] :
      ( ca(X1)
      | ca_Cx6(X1) ),
    inference(resolution,[],[f155,f115]) ).

fof(f115,plain,
    ! [X0] :
      ( ~ ca_Cx6xcomp(X0)
      | ca(X0) ),
    inference(cnf_transformation,[],[f72]) ).

fof(f72,plain,
    ! [X0] :
      ( ( ca_Cx6xcomp(X0)
        | ~ cb(X0)
        | ~ ca(X0) )
      & ( ( cb(X0)
          & ca(X0) )
        | ~ ca_Cx6xcomp(X0) ) ),
    inference(flattening,[],[f71]) ).

fof(f71,plain,
    ! [X0] :
      ( ( ca_Cx6xcomp(X0)
        | ~ cb(X0)
        | ~ ca(X0) )
      & ( ( cb(X0)
          & ca(X0) )
        | ~ ca_Cx6xcomp(X0) ) ),
    inference(nnf_transformation,[],[f16]) ).

fof(f16,axiom,
    ! [X0] :
      ( ca_Cx6xcomp(X0)
    <=> ( cb(X0)
        & ca(X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_15) ).

fof(f155,plain,
    ! [X0] :
      ( ca_Cx6xcomp(X0)
      | ca_Cx6(X0) ),
    inference(resolution,[],[f134,f141]) ).

fof(f141,plain,
    ! [X0,X1] :
      ( ~ ra_Px6(X0,X1)
      | ca_Cx6xcomp(X0) ),
    inference(cnf_transformation,[],[f96]) ).

fof(f96,plain,
    ! [X0] :
      ( ( ca_Cx6xcomp(X0)
        | ! [X1] : ~ ra_Px6(X0,X1) )
      & ( ra_Px6(X0,sK10(X0))
        | ~ ca_Cx6xcomp(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK10])],[f94,f95]) ).

fof(f95,plain,
    ! [X0] :
      ( ? [X2] : ra_Px6(X0,X2)
     => ra_Px6(X0,sK10(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f94,plain,
    ! [X0] :
      ( ( ca_Cx6xcomp(X0)
        | ! [X1] : ~ ra_Px6(X0,X1) )
      & ( ? [X2] : ra_Px6(X0,X2)
        | ~ ca_Cx6xcomp(X0) ) ),
    inference(rectify,[],[f93]) ).

fof(f93,plain,
    ! [X0] :
      ( ( ca_Cx6xcomp(X0)
        | ! [X1] : ~ ra_Px6(X0,X1) )
      & ( ? [X1] : ra_Px6(X0,X1)
        | ~ ca_Cx6xcomp(X0) ) ),
    inference(nnf_transformation,[],[f27]) ).

fof(f27,plain,
    ! [X0] :
      ( ca_Cx6xcomp(X0)
    <=> ? [X1] : ra_Px6(X0,X1) ),
    inference(rectify,[],[f17]) ).

fof(f17,axiom,
    ! [X0] :
      ( ? [X2] : ra_Px6(X0,X2)
    <=> ca_Cx6xcomp(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_16) ).

fof(f134,plain,
    ! [X0] :
      ( ra_Px6(X0,sK7(X0))
      | ca_Cx6(X0) ),
    inference(cnf_transformation,[],[f84]) ).

fof(f84,plain,
    ! [X0] :
      ( ( ca_Cx6(X0)
        | ra_Px6(X0,sK7(X0)) )
      & ( ! [X2] : ~ ra_Px6(X0,X2)
        | ~ ca_Cx6(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7])],[f82,f83]) ).

fof(f83,plain,
    ! [X0] :
      ( ? [X1] : ra_Px6(X0,X1)
     => ra_Px6(X0,sK7(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f82,plain,
    ! [X0] :
      ( ( ca_Cx6(X0)
        | ? [X1] : ra_Px6(X0,X1) )
      & ( ! [X2] : ~ ra_Px6(X0,X2)
        | ~ ca_Cx6(X0) ) ),
    inference(rectify,[],[f81]) ).

fof(f81,plain,
    ! [X0] :
      ( ( ca_Cx6(X0)
        | ? [X1] : ra_Px6(X0,X1) )
      & ( ! [X1] : ~ ra_Px6(X0,X1)
        | ~ ca_Cx6(X0) ) ),
    inference(nnf_transformation,[],[f41]) ).

fof(f41,plain,
    ! [X0] :
      ( ca_Cx6(X0)
    <=> ! [X1] : ~ ra_Px6(X0,X1) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,axiom,
    ! [X0] :
      ( ca_Cx6(X0)
    <=> ~ ? [X1] : ra_Px6(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_14) ).

fof(f234,plain,
    ! [X0] :
      ( ~ ca(X0)
      | ca_Cx6(X0) ),
    inference(resolution,[],[f213,f131]) ).

fof(f213,plain,
    ! [X1] :
      ( ~ ca_Cx1(X1)
      | ca_Cx6(X1) ),
    inference(resolution,[],[f210,f123]) ).

fof(f123,plain,
    ! [X0] :
      ( cbxcomp(X0)
      | ~ ca_Cx1(X0) ),
    inference(cnf_transformation,[],[f76]) ).

fof(f210,plain,
    ! [X0] :
      ( ~ cbxcomp(X0)
      | ca_Cx6(X0) ),
    inference(resolution,[],[f179,f137]) ).

fof(f137,plain,
    ! [X2,X0] :
      ( ~ ra_Px3(X0,X2)
      | ~ cbxcomp(X0) ),
    inference(cnf_transformation,[],[f92]) ).

fof(f92,plain,
    ! [X0] :
      ( ( cbxcomp(X0)
        | ra_Px3(X0,sK9(X0)) )
      & ( ! [X2] : ~ ra_Px3(X0,X2)
        | ~ cbxcomp(X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK9])],[f90,f91]) ).

fof(f91,plain,
    ! [X0] :
      ( ? [X1] : ra_Px3(X0,X1)
     => ra_Px3(X0,sK9(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f90,plain,
    ! [X0] :
      ( ( cbxcomp(X0)
        | ? [X1] : ra_Px3(X0,X1) )
      & ( ! [X2] : ~ ra_Px3(X0,X2)
        | ~ cbxcomp(X0) ) ),
    inference(rectify,[],[f89]) ).

fof(f89,plain,
    ! [X0] :
      ( ( cbxcomp(X0)
        | ? [X1] : ra_Px3(X0,X1) )
      & ( ! [X1] : ~ ra_Px3(X0,X1)
        | ~ cbxcomp(X0) ) ),
    inference(nnf_transformation,[],[f37]) ).

fof(f37,plain,
    ! [X0] :
      ( cbxcomp(X0)
    <=> ! [X1] : ~ ra_Px3(X0,X1) ),
    inference(ennf_transformation,[],[f9]) ).

fof(f9,axiom,
    ! [X0] :
      ( ~ ? [X1] : ra_Px3(X0,X1)
    <=> cbxcomp(X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_8) ).

fof(f179,plain,
    ! [X0] :
      ( ra_Px3(X0,sK8(X0))
      | ca_Cx6(X0) ),
    inference(resolution,[],[f163,f136]) ).

fof(f136,plain,
    ! [X0] :
      ( ~ cb(X0)
      | ra_Px3(X0,sK8(X0)) ),
    inference(cnf_transformation,[],[f88]) ).

fof(f88,plain,
    ! [X0] :
      ( ( ra_Px3(X0,sK8(X0))
        | ~ cb(X0) )
      & ( cb(X0)
        | ! [X2] : ~ ra_Px3(X0,X2) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK8])],[f86,f87]) ).

fof(f87,plain,
    ! [X0] :
      ( ? [X1] : ra_Px3(X0,X1)
     => ra_Px3(X0,sK8(X0)) ),
    introduced(choice_axiom,[]) ).

fof(f86,plain,
    ! [X0] :
      ( ( ? [X1] : ra_Px3(X0,X1)
        | ~ cb(X0) )
      & ( cb(X0)
        | ! [X2] : ~ ra_Px3(X0,X2) ) ),
    inference(rectify,[],[f85]) ).

fof(f85,plain,
    ! [X0] :
      ( ( ? [X1] : ra_Px3(X0,X1)
        | ~ cb(X0) )
      & ( cb(X0)
        | ! [X1] : ~ ra_Px3(X0,X1) ) ),
    inference(nnf_transformation,[],[f31]) ).

fof(f31,plain,
    ! [X0] :
      ( ? [X1] : ra_Px3(X0,X1)
    <=> cb(X0) ),
    inference(rectify,[],[f7]) ).

fof(f7,axiom,
    ! [X0] :
      ( cb(X0)
    <=> ? [X2] : ra_Px3(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_6) ).

fof(f163,plain,
    ! [X0] :
      ( cb(X0)
      | ca_Cx6(X0) ),
    inference(resolution,[],[f155,f116]) ).

fof(f116,plain,
    ! [X0] :
      ( ~ ca_Cx6xcomp(X0)
      | cb(X0) ),
    inference(cnf_transformation,[],[f72]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : KRS104+1 : TPTP v8.1.0. Released v3.1.0.
% 0.14/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.14/0.34  % Computer : n003.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit   : 300
% 0.14/0.34  % WCLimit    : 300
% 0.14/0.34  % DateTime   : Tue Aug 30 00:33:52 EDT 2022
% 0.14/0.34  % CPUTime    : 
% 0.21/0.51  % (16223)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)
% 0.21/0.51  % (16231)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)
% 0.21/0.52  % (16207)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)
% 0.21/0.52  % (16215)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.21/0.52  % (16231)First to succeed.
% 0.21/0.52  % (16212)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.21/0.52  % (16223)Also succeeded, but the first one will report.
% 0.21/0.52  % (16231)Refutation found. Thanks to Tanya!
% 0.21/0.52  % SZS status Unsatisfiable for theBenchmark
% 0.21/0.52  % SZS output start Proof for theBenchmark
% See solution above
% 0.21/0.53  % (16231)------------------------------
% 0.21/0.53  % (16231)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.21/0.53  % (16231)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.21/0.53  % (16231)Termination reason: Refutation
% 0.21/0.53  
% 0.21/0.53  % (16231)Memory used [KB]: 5500
% 0.21/0.53  % (16231)Time elapsed: 0.066 s
% 0.21/0.53  % (16231)Instructions burned: 5 (million)
% 0.21/0.53  % (16231)------------------------------
% 0.21/0.53  % (16231)------------------------------
% 0.21/0.53  % (16206)Success in time 0.173 s
%------------------------------------------------------------------------------