TSTP Solution File: GRP775+1 by Drodi---3.6.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.6.0
% Problem  : GRP775+1 : TPTP v8.1.2. Released v4.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n023.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 20:21:35 EDT 2024

% Result   : Theorem 4.17s 0.88s
% Output   : CNFRefutation 4.34s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   95 (  19 unt;   0 def)
%            Number of atoms       :  244 ( 112 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  259 ( 110   ~; 114   |;  24   &)
%                                         (  10 <=>;   0  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :   10 (   8 usr;   6 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :  126 ( 119   !;   7   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [C,B,A] : product(product(A,B),C) = product(A,product(B,C)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [A] : product(A,A) = A,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [X0,X1] :
      ( l(X0,X1)
    <=> ( product(X0,X1) = X0
        & product(X1,X0) = X1 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [X2,X3] :
      ( r(X2,X3)
    <=> ( product(X2,X3) = X3
        & product(X3,X2) = X2 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [X4,X5] :
      ( d(X4,X5)
    <=> ? [X6] :
          ( r(X4,X6)
          & l(X6,X5) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f6,conjecture,
    ! [X7,X8] :
      ( d(X7,X8)
    <=> ( product(X7,product(X8,X7)) = X7
        & product(X8,product(X7,X8)) = X8 ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f7,negated_conjecture,
    ~ ! [X7,X8] :
        ( d(X7,X8)
      <=> ( product(X7,product(X8,X7)) = X7
          & product(X8,product(X7,X8)) = X8 ) ),
    inference(negated_conjecture,[status(cth)],[f6]) ).

fof(f8,plain,
    ! [X0,X1,X2] : product(product(X0,X1),X2) = product(X0,product(X1,X2)),
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f9,plain,
    ! [X0] : product(X0,X0) = X0,
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f10,plain,
    ! [X0,X1] :
      ( ( ~ l(X0,X1)
        | ( product(X0,X1) = X0
          & product(X1,X0) = X1 ) )
      & ( l(X0,X1)
        | product(X0,X1) != X0
        | product(X1,X0) != X1 ) ),
    inference(NNF_transformation,[status(esa)],[f3]) ).

fof(f11,plain,
    ( ! [X0,X1] :
        ( ~ l(X0,X1)
        | ( product(X0,X1) = X0
          & product(X1,X0) = X1 ) )
    & ! [X0,X1] :
        ( l(X0,X1)
        | product(X0,X1) != X0
        | product(X1,X0) != X1 ) ),
    inference(miniscoping,[status(esa)],[f10]) ).

fof(f12,plain,
    ! [X0,X1] :
      ( ~ l(X0,X1)
      | product(X0,X1) = X0 ),
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f13,plain,
    ! [X0,X1] :
      ( ~ l(X0,X1)
      | product(X1,X0) = X1 ),
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f14,plain,
    ! [X0,X1] :
      ( l(X0,X1)
      | product(X0,X1) != X0
      | product(X1,X0) != X1 ),
    inference(cnf_transformation,[status(esa)],[f11]) ).

fof(f15,plain,
    ! [X2,X3] :
      ( ( ~ r(X2,X3)
        | ( product(X2,X3) = X3
          & product(X3,X2) = X2 ) )
      & ( r(X2,X3)
        | product(X2,X3) != X3
        | product(X3,X2) != X2 ) ),
    inference(NNF_transformation,[status(esa)],[f4]) ).

fof(f16,plain,
    ( ! [X2,X3] :
        ( ~ r(X2,X3)
        | ( product(X2,X3) = X3
          & product(X3,X2) = X2 ) )
    & ! [X2,X3] :
        ( r(X2,X3)
        | product(X2,X3) != X3
        | product(X3,X2) != X2 ) ),
    inference(miniscoping,[status(esa)],[f15]) ).

fof(f17,plain,
    ! [X0,X1] :
      ( ~ r(X0,X1)
      | product(X0,X1) = X1 ),
    inference(cnf_transformation,[status(esa)],[f16]) ).

fof(f18,plain,
    ! [X0,X1] :
      ( ~ r(X0,X1)
      | product(X1,X0) = X0 ),
    inference(cnf_transformation,[status(esa)],[f16]) ).

fof(f19,plain,
    ! [X0,X1] :
      ( r(X0,X1)
      | product(X0,X1) != X1
      | product(X1,X0) != X0 ),
    inference(cnf_transformation,[status(esa)],[f16]) ).

fof(f20,plain,
    ! [X4,X5] :
      ( ( ~ d(X4,X5)
        | ? [X6] :
            ( r(X4,X6)
            & l(X6,X5) ) )
      & ( d(X4,X5)
        | ! [X6] :
            ( ~ r(X4,X6)
            | ~ l(X6,X5) ) ) ),
    inference(NNF_transformation,[status(esa)],[f5]) ).

fof(f21,plain,
    ( ! [X4,X5] :
        ( ~ d(X4,X5)
        | ? [X6] :
            ( r(X4,X6)
            & l(X6,X5) ) )
    & ! [X4,X5] :
        ( d(X4,X5)
        | ! [X6] :
            ( ~ r(X4,X6)
            | ~ l(X6,X5) ) ) ),
    inference(miniscoping,[status(esa)],[f20]) ).

fof(f22,plain,
    ( ! [X4,X5] :
        ( ~ d(X4,X5)
        | ( r(X4,sk0_0(X5,X4))
          & l(sk0_0(X5,X4),X5) ) )
    & ! [X4,X5] :
        ( d(X4,X5)
        | ! [X6] :
            ( ~ r(X4,X6)
            | ~ l(X6,X5) ) ) ),
    inference(skolemization,[status(esa)],[f21]) ).

fof(f23,plain,
    ! [X0,X1] :
      ( ~ d(X0,X1)
      | r(X0,sk0_0(X1,X0)) ),
    inference(cnf_transformation,[status(esa)],[f22]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ~ d(X0,X1)
      | l(sk0_0(X1,X0),X1) ),
    inference(cnf_transformation,[status(esa)],[f22]) ).

fof(f25,plain,
    ! [X0,X1,X2] :
      ( d(X0,X1)
      | ~ r(X0,X2)
      | ~ l(X2,X1) ),
    inference(cnf_transformation,[status(esa)],[f22]) ).

fof(f26,plain,
    ? [X7,X8] :
      ( d(X7,X8)
    <~> ( product(X7,product(X8,X7)) = X7
        & product(X8,product(X7,X8)) = X8 ) ),
    inference(pre_NNF_transformation,[status(esa)],[f7]) ).

fof(f27,plain,
    ? [X7,X8] :
      ( ( d(X7,X8)
        | ( product(X7,product(X8,X7)) = X7
          & product(X8,product(X7,X8)) = X8 ) )
      & ( ~ d(X7,X8)
        | product(X7,product(X8,X7)) != X7
        | product(X8,product(X7,X8)) != X8 ) ),
    inference(NNF_transformation,[status(esa)],[f26]) ).

fof(f28,plain,
    ( ( d(sk0_1,sk0_2)
      | ( product(sk0_1,product(sk0_2,sk0_1)) = sk0_1
        & product(sk0_2,product(sk0_1,sk0_2)) = sk0_2 ) )
    & ( ~ d(sk0_1,sk0_2)
      | product(sk0_1,product(sk0_2,sk0_1)) != sk0_1
      | product(sk0_2,product(sk0_1,sk0_2)) != sk0_2 ) ),
    inference(skolemization,[status(esa)],[f27]) ).

fof(f29,plain,
    ( d(sk0_1,sk0_2)
    | product(sk0_1,product(sk0_2,sk0_1)) = sk0_1 ),
    inference(cnf_transformation,[status(esa)],[f28]) ).

fof(f30,plain,
    ( d(sk0_1,sk0_2)
    | product(sk0_2,product(sk0_1,sk0_2)) = sk0_2 ),
    inference(cnf_transformation,[status(esa)],[f28]) ).

fof(f31,plain,
    ( ~ d(sk0_1,sk0_2)
    | product(sk0_1,product(sk0_2,sk0_1)) != sk0_1
    | product(sk0_2,product(sk0_1,sk0_2)) != sk0_2 ),
    inference(cnf_transformation,[status(esa)],[f28]) ).

fof(f32,plain,
    ( spl0_0
  <=> d(sk0_1,sk0_2) ),
    introduced(split_symbol_definition) ).

fof(f33,plain,
    ( d(sk0_1,sk0_2)
    | ~ spl0_0 ),
    inference(component_clause,[status(thm)],[f32]) ).

fof(f34,plain,
    ( ~ d(sk0_1,sk0_2)
    | spl0_0 ),
    inference(component_clause,[status(thm)],[f32]) ).

fof(f35,plain,
    ( spl0_1
  <=> product(sk0_1,product(sk0_2,sk0_1)) = sk0_1 ),
    introduced(split_symbol_definition) ).

fof(f36,plain,
    ( product(sk0_1,product(sk0_2,sk0_1)) = sk0_1
    | ~ spl0_1 ),
    inference(component_clause,[status(thm)],[f35]) ).

fof(f37,plain,
    ( product(sk0_1,product(sk0_2,sk0_1)) != sk0_1
    | spl0_1 ),
    inference(component_clause,[status(thm)],[f35]) ).

fof(f38,plain,
    ( spl0_0
    | spl0_1 ),
    inference(split_clause,[status(thm)],[f29,f32,f35]) ).

fof(f39,plain,
    ( spl0_2
  <=> product(sk0_2,product(sk0_1,sk0_2)) = sk0_2 ),
    introduced(split_symbol_definition) ).

fof(f42,plain,
    ( spl0_0
    | spl0_2 ),
    inference(split_clause,[status(thm)],[f30,f32,f39]) ).

fof(f43,plain,
    ( ~ spl0_0
    | ~ spl0_1
    | ~ spl0_2 ),
    inference(split_clause,[status(thm)],[f31,f32,f35,f39]) ).

fof(f44,plain,
    ! [X0,X1] : product(X0,X1) = product(X0,product(X1,product(X0,X1))),
    inference(paramodulation,[status(thm)],[f9,f8]) ).

fof(f48,plain,
    ! [X0,X1] : product(X0,X1) = product(X0,product(X0,X1)),
    inference(paramodulation,[status(thm)],[f9,f8]) ).

fof(f50,plain,
    ! [X0,X1,X2] : product(product(X0,X1),X2) = product(X0,product(X1,product(product(X0,X1),X2))),
    inference(paramodulation,[status(thm)],[f8,f48]) ).

fof(f51,plain,
    ! [X0,X1,X2] : product(X0,product(X1,X2)) = product(X0,product(X1,product(product(X0,X1),X2))),
    inference(forward_demodulation,[status(thm)],[f8,f50]) ).

fof(f52,plain,
    ! [X0,X1,X2] : product(X0,product(X1,X2)) = product(X0,product(X1,product(X0,product(X1,X2)))),
    inference(forward_demodulation,[status(thm)],[f8,f51]) ).

fof(f97,plain,
    ! [X0,X1,X2,X3] : product(product(X0,X1),product(X2,X3)) = product(X0,product(X1,product(X2,product(product(X0,X1),product(X2,X3))))),
    inference(paramodulation,[status(thm)],[f8,f52]) ).

fof(f98,plain,
    ! [X0,X1,X2,X3] : product(X0,product(X1,product(X2,X3))) = product(X0,product(X1,product(X2,product(product(X0,X1),product(X2,X3))))),
    inference(forward_demodulation,[status(thm)],[f8,f97]) ).

fof(f99,plain,
    ! [X0,X1,X2,X3] : product(X0,product(X1,product(X2,X3))) = product(X0,product(X1,product(X2,product(X0,product(X1,product(X2,X3)))))),
    inference(forward_demodulation,[status(thm)],[f8,f98]) ).

fof(f330,plain,
    ! [X0,X1,X2] : product(X0,product(product(X1,X2),product(X1,X2))) = product(X0,product(product(X1,X2),product(X1,product(X0,product(X1,X2))))),
    inference(paramodulation,[status(thm)],[f9,f99]) ).

fof(f331,plain,
    ! [X0,X1,X2] : product(X0,product(X1,product(X2,product(X1,X2)))) = product(X0,product(product(X1,X2),product(X1,product(X0,product(X1,X2))))),
    inference(forward_demodulation,[status(thm)],[f8,f330]) ).

fof(f332,plain,
    ! [X0,X1,X2] : product(X0,product(X1,X2)) = product(X0,product(product(X1,X2),product(X1,product(X0,product(X1,X2))))),
    inference(forward_demodulation,[status(thm)],[f44,f331]) ).

fof(f333,plain,
    ! [X0,X1,X2] : product(X0,product(X1,X2)) = product(X0,product(X1,product(X2,product(X1,product(X0,product(X1,X2)))))),
    inference(forward_demodulation,[status(thm)],[f8,f332]) ).

fof(f586,plain,
    ! [X0,X1,X2] :
      ( product(X0,X1) != X1
      | product(X1,X0) != X0
      | d(X0,X2)
      | ~ l(X1,X2) ),
    inference(resolution,[status(thm)],[f19,f25]) ).

fof(f587,plain,
    ! [X0,X1,X2] :
      ( product(X0,X1) != X1
      | product(X1,X0) != X0
      | d(X0,X2)
      | product(X1,X2) != X1
      | product(X2,X1) != X2 ),
    inference(resolution,[status(thm)],[f586,f14]) ).

fof(f893,plain,
    ( l(sk0_0(sk0_2,sk0_1),sk0_2)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f33,f24]) ).

fof(f894,plain,
    ( r(sk0_1,sk0_0(sk0_2,sk0_1))
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f33,f23]) ).

fof(f896,plain,
    ( product(sk0_2,sk0_0(sk0_2,sk0_1)) = sk0_2
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f893,f13]) ).

fof(f897,plain,
    ( product(sk0_0(sk0_2,sk0_1),sk0_2) = sk0_0(sk0_2,sk0_1)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f893,f12]) ).

fof(f899,plain,
    ( product(sk0_0(sk0_2,sk0_1),sk0_1) = sk0_1
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f894,f18]) ).

fof(f900,plain,
    ( product(sk0_1,sk0_0(sk0_2,sk0_1)) = sk0_0(sk0_2,sk0_1)
    | ~ spl0_0 ),
    inference(resolution,[status(thm)],[f894,f17]) ).

fof(f923,plain,
    ! [X0] :
      ( product(sk0_2,X0) = product(sk0_2,product(sk0_0(sk0_2,sk0_1),X0))
      | ~ spl0_0 ),
    inference(paramodulation,[status(thm)],[f896,f8]) ).

fof(f944,plain,
    ! [X0] :
      ( product(sk0_1,X0) = product(sk0_0(sk0_2,sk0_1),product(sk0_1,X0))
      | ~ spl0_0 ),
    inference(paramodulation,[status(thm)],[f899,f8]) ).

fof(f960,plain,
    ! [X0] :
      ( product(sk0_0(sk0_2,sk0_1),X0) = product(sk0_0(sk0_2,sk0_1),product(sk0_2,X0))
      | ~ spl0_0 ),
    inference(paramodulation,[status(thm)],[f897,f8]) ).

fof(f1227,plain,
    ! [X0] :
      ( product(sk0_0(sk0_2,sk0_1),product(X0,product(sk0_2,product(sk0_0(sk0_2,sk0_1),product(sk0_2,X0))))) = product(sk0_0(sk0_2,sk0_1),product(sk0_2,X0))
      | ~ spl0_0 ),
    inference(paramodulation,[status(thm)],[f333,f960]) ).

fof(f1228,plain,
    ! [X0] :
      ( product(sk0_0(sk0_2,sk0_1),product(X0,product(sk0_2,product(sk0_2,X0)))) = product(sk0_0(sk0_2,sk0_1),product(sk0_2,X0))
      | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f923,f1227]) ).

fof(f1229,plain,
    ! [X0] :
      ( product(sk0_0(sk0_2,sk0_1),product(X0,product(sk0_2,X0))) = product(sk0_0(sk0_2,sk0_1),product(sk0_2,X0))
      | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f48,f1228]) ).

fof(f1230,plain,
    ! [X0] :
      ( product(sk0_0(sk0_2,sk0_1),product(X0,product(sk0_2,X0))) = product(sk0_0(sk0_2,sk0_1),X0)
      | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f960,f1229]) ).

fof(f1494,plain,
    ( product(sk0_1,product(sk0_2,sk0_1)) = product(sk0_0(sk0_2,sk0_1),sk0_1)
    | ~ spl0_0 ),
    inference(paramodulation,[status(thm)],[f944,f1230]) ).

fof(f1495,plain,
    ( product(sk0_1,product(sk0_2,sk0_1)) = sk0_1
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f899,f1494]) ).

fof(f1496,plain,
    ( $false
    | spl0_1
    | ~ spl0_0 ),
    inference(forward_subsumption_resolution,[status(thm)],[f1495,f37]) ).

fof(f1497,plain,
    ( spl0_1
    | ~ spl0_0 ),
    inference(contradiction_clause,[status(thm)],[f1496]) ).

fof(f1498,plain,
    ! [X0] :
      ( product(sk0_1,X0) != X0
      | product(X0,sk0_1) != sk0_1
      | product(X0,sk0_2) != X0
      | product(sk0_2,X0) != sk0_2
      | spl0_0 ),
    inference(resolution,[status(thm)],[f34,f587]) ).

fof(f1529,plain,
    ! [X0] :
      ( product(sk0_1,X0) = product(sk0_1,product(product(sk0_2,sk0_1),X0))
      | ~ spl0_1 ),
    inference(paramodulation,[status(thm)],[f36,f8]) ).

fof(f1530,plain,
    ! [X0] :
      ( product(sk0_1,X0) = product(sk0_1,product(sk0_2,product(sk0_1,X0)))
      | ~ spl0_1 ),
    inference(forward_demodulation,[status(thm)],[f8,f1529]) ).

fof(f1575,plain,
    ! [X0,X1] :
      ( product(sk0_1,product(X0,X1)) != product(X0,X1)
      | product(X0,product(X1,sk0_1)) != sk0_1
      | product(product(X0,X1),sk0_2) != product(X0,X1)
      | product(sk0_2,product(X0,X1)) != sk0_2
      | spl0_0 ),
    inference(paramodulation,[status(thm)],[f8,f1498]) ).

fof(f1576,plain,
    ! [X0,X1] :
      ( product(sk0_1,product(X0,X1)) != product(X0,X1)
      | product(X0,product(X1,sk0_1)) != sk0_1
      | product(X0,product(X1,sk0_2)) != product(X0,X1)
      | product(sk0_2,product(X0,X1)) != sk0_2
      | spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f8,f1575]) ).

fof(f1754,plain,
    ( product(sk0_1,sk0_0(sk0_2,sk0_1)) = product(sk0_1,product(sk0_2,sk0_0(sk0_2,sk0_1)))
    | ~ spl0_1
    | ~ spl0_0 ),
    inference(paramodulation,[status(thm)],[f900,f1530]) ).

fof(f1755,plain,
    ( sk0_0(sk0_2,sk0_1) = product(sk0_1,product(sk0_2,sk0_0(sk0_2,sk0_1)))
    | ~ spl0_1
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f900,f1754]) ).

fof(f1756,plain,
    ( sk0_0(sk0_2,sk0_1) = product(sk0_1,sk0_2)
    | ~ spl0_1
    | ~ spl0_0 ),
    inference(forward_demodulation,[status(thm)],[f896,f1755]) ).

fof(f5389,plain,
    ( product(sk0_2,product(sk0_1,sk0_2)) = sk0_2
    | ~ spl0_1
    | ~ spl0_0 ),
    inference(backward_demodulation,[status(thm)],[f1756,f896]) ).

fof(f5390,plain,
    ( spl0_2
    | ~ spl0_1
    | ~ spl0_0 ),
    inference(split_clause,[status(thm)],[f5389,f39,f35,f32]) ).

fof(f5814,plain,
    ( spl0_20
  <=> product(sk0_1,product(sk0_1,sk0_2)) = product(sk0_1,sk0_2) ),
    introduced(split_symbol_definition) ).

fof(f5816,plain,
    ( product(sk0_1,product(sk0_1,sk0_2)) != product(sk0_1,sk0_2)
    | spl0_20 ),
    inference(component_clause,[status(thm)],[f5814]) ).

fof(f5817,plain,
    ( spl0_21
  <=> product(sk0_1,product(sk0_2,sk0_2)) = product(sk0_1,sk0_2) ),
    introduced(split_symbol_definition) ).

fof(f5819,plain,
    ( product(sk0_1,product(sk0_2,sk0_2)) != product(sk0_1,sk0_2)
    | spl0_21 ),
    inference(component_clause,[status(thm)],[f5817]) ).

fof(f5820,plain,
    ( product(sk0_1,product(sk0_1,sk0_2)) != product(sk0_1,sk0_2)
    | product(sk0_1,product(sk0_2,sk0_2)) != product(sk0_1,sk0_2)
    | product(sk0_2,product(sk0_1,sk0_2)) != sk0_2
    | spl0_0
    | ~ spl0_1 ),
    inference(resolution,[status(thm)],[f1576,f36]) ).

fof(f5821,plain,
    ( ~ spl0_20
    | ~ spl0_21
    | ~ spl0_2
    | spl0_0
    | ~ spl0_1 ),
    inference(split_clause,[status(thm)],[f5820,f5814,f5817,f39,f32,f35]) ).

fof(f5846,plain,
    ( product(sk0_1,sk0_2) != product(sk0_1,sk0_2)
    | spl0_20 ),
    inference(forward_demodulation,[status(thm)],[f48,f5816]) ).

fof(f5847,plain,
    ( $false
    | spl0_20 ),
    inference(trivial_equality_resolution,[status(esa)],[f5846]) ).

fof(f5848,plain,
    spl0_20,
    inference(contradiction_clause,[status(thm)],[f5847]) ).

fof(f5849,plain,
    ( product(sk0_1,sk0_2) != product(sk0_1,sk0_2)
    | spl0_21 ),
    inference(forward_demodulation,[status(thm)],[f9,f5819]) ).

fof(f5850,plain,
    ( $false
    | spl0_21 ),
    inference(trivial_equality_resolution,[status(esa)],[f5849]) ).

fof(f5851,plain,
    spl0_21,
    inference(contradiction_clause,[status(thm)],[f5850]) ).

fof(f5852,plain,
    $false,
    inference(sat_refutation,[status(thm)],[f38,f42,f43,f1497,f5390,f5821,f5848,f5851]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : GRP775+1 : TPTP v8.1.2. Released v4.1.0.
% 0.07/0.12  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.14/0.33  % Computer : n023.cluster.edu
% 0.14/0.33  % Model    : x86_64 x86_64
% 0.14/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.33  % Memory   : 8042.1875MB
% 0.14/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33  % CPULimit : 300
% 0.14/0.33  % WCLimit  : 300
% 0.14/0.33  % DateTime : Tue Apr 30 00:49:25 EDT 2024
% 0.14/0.33  % CPUTime  : 
% 0.14/0.34  % Drodi V3.6.0
% 4.17/0.88  % Refutation found
% 4.17/0.88  % SZS status Theorem for theBenchmark: Theorem is valid
% 4.17/0.88  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 4.34/0.92  % Elapsed time: 0.568704 seconds
% 4.34/0.92  % CPU time: 4.409633 seconds
% 4.34/0.92  % Total memory used: 129.789 MB
% 4.34/0.92  % Net memory used: 127.680 MB
%------------------------------------------------------------------------------