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Leo-III---1.8.0.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SYN982-1 : TPTP v9.3.1. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39

% 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 : Sun Sep 27 09:20:33 AM UTC 2026

% Result   : Unsatisfiable 4.36s 2.96s
% Output   : Refutation 4.72s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :   37
% Syntax   : Number of formulae    :   75 (  29 unt;   0 typ;   0 def)
%            Number of atoms       :  159 (   0 equ;   0 cnn)
%            Maximal formula atoms :    5 (   2 avg)
%            Number of connectives :  702 (  88   ~;  84   |;   0   &; 530   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   23 (   9 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   27 (  26 usr;   7 con; 0-4 aty)
%            Number of variables   :  158 (   0   ^; 158   !;   0   ?; 158   :)

% Comments : 
%------------------------------------------------------------------------------
thf(ssIk_decl,type,
    ssIk: $i > $o ).

thf(key_decl,type,
    key: $i > $i > $i ).

thf(b_decl,type,
    b: $i ).

thf(ssBk_decl,type,
    ssBk: $i > $o ).

thf(a_decl,type,
    a: $i ).

thf(ssNonce_decl,type,
    ssNonce: $i > $o ).

thf(nb_decl,type,
    nb: $i > $i ).

thf(kt_decl,type,
    kt: $i > $i ).

thf(ssIm_decl,type,
    ssIm: $i > $o ).

thf(pair_decl,type,
    pair: $i > $i > $i ).

thf(ssP_decl,type,
    ssP: $i > $o ).

thf(ssM_decl,type,
    ssM: $i > $o ).

thf(sent_decl,type,
    sent: $i > $i > $i > $i ).

thf(triple_decl,type,
    triple: $i > $i > $i > $i ).

thf(quadr_decl,type,
    quadr: $i > $i > $i > $i > $i ).

thf(tb_decl,type,
    tb: $i > $i ).

thf(ssBf_decl,type,
    ssBf: $i > $o ).

thf(na_decl,type,
    na: $i ).

thf(t_decl,type,
    t: $i ).

thf(encr_decl,type,
    encr: $i > $i > $i ).

thf(at_decl,type,
    at: $i ).

thf(ssSa_decl,type,
    ssSa: $i > $o ).

thf(bt_decl,type,
    bt: $i ).

thf(ssTk_decl,type,
    ssTk: $i > $o ).

thf(ssSb_decl,type,
    ssSb: $i > $o ).

thf(ssAk_decl,type,
    ssAk: $i > $o ).

thf(29,axiom,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ pair ) @ ssSb )
      | ~ ( B @ ssBf )
      | ~ ( B @ ( A @ pair ) @ ( b @ ( A @ sent ) ) @ ssM ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause30) ).

thf(84,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ pair ) @ ssSb )
      | ~ ( B @ ssBf )
      | ~ ( B @ ( A @ pair ) @ ( b @ ( A @ sent ) ) @ ssM ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(13,axiom,
    na @ ssBf,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause3) ).

thf(60,plain,
    na @ ssBf,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(9,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm )
      | ~ ( D @ ssIm )
      | ~ ( C @ ssIm )
      | ~ ( B @ ssIm )
      | ~ ( A @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause31) ).

thf(53,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm )
      | ~ ( D @ ssIm )
      | ~ ( C @ ssIm )
      | ~ ( B @ ssIm )
      | ~ ( A @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(23,axiom,
    t @ ( bt @ key ) @ ssBk,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause11) ).

thf(77,plain,
    t @ ( bt @ key ) @ ssBk,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(3,axiom,
    ! [A: $i] :
      ~ ( A @ kt @ ssNonce ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause8) ).

thf(41,plain,
    ! [A: $i] :
      ~ ( A @ kt @ ssNonce ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(5,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( C @ ( B @ sent ) ) @ ssM )
      | ~ ( C @ ssP )
      | ~ ( B @ ssP )
      | ~ ( A @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause27) ).

thf(45,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( C @ ( B @ sent ) ) @ ssM )
      | ~ ( C @ ssP )
      | ~ ( B @ ssP )
      | ~ ( A @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(26,axiom,
    na @ ( b @ pair ) @ ssSa,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause12) ).

thf(81,plain,
    na @ ( b @ pair ) @ ssSa,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(17,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( D @ ssIm )
      | ~ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause21) ).

thf(67,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( D @ ssIm )
      | ~ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(31,axiom,
    a @ ( at @ key ) @ ssTk,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause10) ).

thf(87,plain,
    a @ ( at @ key ) @ ssTk,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(8,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ssIm )
      | ~ ( C @ ( B @ ( A @ triple ) ) @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause19) ).

thf(51,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ssIm )
      | ~ ( C @ ( B @ ( A @ triple ) ) @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(25,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( B @ key ) @ ssBk )
      | ~ ( C @ ( A @ pair ) @ ssSb )
      | ~ ( B @ ( C @ nb @ encr ) @ ( bt @ ( C @ tb @ ( B @ ( A @ triple ) ) @ encr ) @ pair ) @ ( b @ ( A @ sent ) ) @ ssM ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause34) ).

thf(79,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( A @ ( B @ key ) @ ssBk )
      | ~ ( C @ ( A @ pair ) @ ssSb )
      | ~ ( B @ ( C @ nb @ encr ) @ ( bt @ ( C @ tb @ ( B @ ( A @ triple ) ) @ encr ) @ pair ) @ ( b @ ( A @ sent ) ) @ ssM ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(6,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ssIm )
      | ~ ( C @ ( B @ ( A @ triple ) ) @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause17) ).

thf(47,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ssIm )
      | ~ ( C @ ( B @ ( A @ triple ) ) @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(18,axiom,
    na @ ssNonce,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause1) ).

thf(69,plain,
    na @ ssNonce,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(32,axiom,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( A @ ( C @ key ) @ ssAk )
      | ~ ( B @ ( A @ pair ) @ ssSa )
      | ~ ( F @ ( E @ ( at @ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ encr ) @ triple ) ) @ ( a @ ( t @ sent ) ) @ ssM ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause32) ).

thf(88,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( A @ ( C @ key ) @ ssAk )
      | ~ ( B @ ( A @ pair ) @ ssSa )
      | ~ ( F @ ( E @ ( at @ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ encr ) @ triple ) ) @ ( a @ ( t @ sent ) ) @ ssM ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(35,axiom,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ key ) @ ssIk )
      | ~ ( B @ ssP )
      | ~ ( A @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause25) ).

thf(93,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ key ) @ ssIk )
      | ~ ( B @ ssP )
      | ~ ( A @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(11,axiom,
    ! [A: $i] : ( A @ tb @ ssNonce ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause7) ).

thf(57,plain,
    ! [A: $i] : ( A @ tb @ ssNonce ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(24,axiom,
    b @ ( bt @ key ) @ ssTk,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause9) ).

thf(78,plain,
    b @ ( bt @ key ) @ ssTk,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(14,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( B @ ssIm )
      | ~ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause23) ).

thf(61,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( B @ ssIm )
      | ~ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(21,axiom,
    t @ ssP,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause2) ).

thf(74,plain,
    t @ ssP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(1,negated_conjecture,
    ! [A: $i] :
      ( ~ ( a @ ( A @ key ) @ ssBk )
      | ~ ( b @ ( A @ key ) @ ssIk ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause37) ).

thf(38,plain,
    ! [A: $i] :
      ( ~ ( a @ ( A @ key ) @ ssBk )
      | ~ ( b @ ( A @ key ) @ ssIk ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(19,axiom,
    ! [B: $i,A: $i] :
      ( ( B @ ssIm )
      | ~ ( B @ ( A @ pair ) @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause14) ).

thf(70,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ssIm )
      | ~ ( B @ ( A @ pair ) @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(34,axiom,
    na @ ( a @ pair ) @ ( b @ ( a @ sent ) ) @ ssM,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause16) ).

thf(92,plain,
    na @ ( a @ pair ) @ ( b @ ( a @ sent ) ) @ ssM,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(16,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ssIm )
      | ~ ( C @ ( B @ ( A @ triple ) ) @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause18) ).

thf(65,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ssIm )
      | ~ ( C @ ( B @ ( A @ triple ) ) @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(37,axiom,
    ! [G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( B @ ( F @ ( E @ ( D @ kt @ ( C @ triple ) ) @ encr ) @ ( G @ ( E @ ( D @ kt @ ( D @ ( A @ quadr ) ) ) @ encr ) @ triple ) ) @ ( C @ ( t @ sent ) ) @ ssM )
      | ~ ( D @ ssNonce )
      | ~ ( C @ ( G @ key ) @ ssTk )
      | ~ ( A @ ( F @ key ) @ ssTk )
      | ~ ( F @ ( E @ ( D @ ( C @ triple ) ) @ encr ) @ ( B @ ( A @ triple ) ) @ ( t @ ( A @ sent ) ) @ ssM ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause36) ).

thf(97,plain,
    ! [G: $i,F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( B @ ( F @ ( E @ ( D @ kt @ ( C @ triple ) ) @ encr ) @ ( G @ ( E @ ( D @ kt @ ( D @ ( A @ quadr ) ) ) @ encr ) @ triple ) ) @ ( C @ ( t @ sent ) ) @ ssM )
      | ~ ( D @ ssNonce )
      | ~ ( C @ ( G @ key ) @ ssTk )
      | ~ ( A @ ( F @ key ) @ ssTk )
      | ~ ( F @ ( E @ ( D @ ( C @ triple ) ) @ encr ) @ ( B @ ( A @ triple ) ) @ ( t @ ( A @ sent ) ) @ ssM ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(7,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ssIm )
      | ~ ( C @ ( B @ ( A @ sent ) ) @ ssM ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause20) ).

thf(49,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ssIm )
      | ~ ( C @ ( B @ ( A @ sent ) ) @ ssM ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(30,axiom,
    b @ ssP,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause4) ).

thf(86,plain,
    b @ ssP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(15,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( C @ ssIm )
      | ~ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause22) ).

thf(63,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( C @ ssIm )
      | ~ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(36,axiom,
    ! [B: $i,A: $i] :
      ( ( bt @ ( B @ tb @ ( B @ ( A @ triple ) ) @ encr ) @ ( B @ nb @ ( b @ triple ) ) @ ( t @ ( b @ sent ) ) @ ssM )
      | ~ ( B @ ssBf )
      | ~ ( B @ ( A @ pair ) @ ( b @ ( A @ sent ) ) @ ssM ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause33) ).

thf(95,plain,
    ! [B: $i,A: $i] :
      ( ( bt @ ( B @ tb @ ( B @ ( A @ triple ) ) @ encr ) @ ( B @ nb @ ( b @ triple ) ) @ ( t @ ( b @ sent ) ) @ ssM )
      | ~ ( B @ ssBf )
      | ~ ( B @ ( A @ pair ) @ ( b @ ( A @ sent ) ) @ ssM ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(20,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ ( A @ triple ) ) @ ssIm )
      | ~ ( C @ ssIm )
      | ~ ( B @ ssIm )
      | ~ ( A @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause28) ).

thf(72,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( C @ ( B @ ( A @ triple ) ) @ ssIm )
      | ~ ( C @ ssIm )
      | ~ ( B @ ssIm )
      | ~ ( A @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(4,axiom,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ pair ) @ ssIm )
      | ~ ( B @ ssIm )
      | ~ ( A @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause26) ).

thf(43,plain,
    ! [B: $i,A: $i] :
      ( ( B @ ( A @ pair ) @ ssIm )
      | ~ ( B @ ssIm )
      | ~ ( A @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(2,axiom,
    ! [A: $i] : ( A @ nb @ ssNonce ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause6) ).

thf(40,plain,
    ! [A: $i] : ( A @ nb @ ssNonce ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(10,axiom,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( A @ ssIm )
      | ~ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause24) ).

thf(55,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( A @ ssIm )
      | ~ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(22,axiom,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( C @ ( F @ encr ) @ ( E @ pair ) @ ( A @ ( a @ sent ) ) @ ssM )
      | ~ ( B @ ( A @ pair ) @ ssSa )
      | ~ ( F @ ( E @ ( at @ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ encr ) @ triple ) ) @ ( a @ ( t @ sent ) ) @ ssM ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause35) ).

thf(75,plain,
    ! [F: $i,E: $i,D: $i,C: $i,B: $i,A: $i] :
      ( ( C @ ( F @ encr ) @ ( E @ pair ) @ ( A @ ( a @ sent ) ) @ ssM )
      | ~ ( B @ ( A @ pair ) @ ssSa )
      | ~ ( F @ ( E @ ( at @ ( D @ ( C @ ( B @ ( A @ quadr ) ) ) @ encr ) @ triple ) ) @ ( a @ ( t @ sent ) ) @ ssM ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(12,axiom,
    ! [B: $i,A: $i] :
      ( ( A @ ssIm )
      | ~ ( B @ ( A @ pair ) @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause15) ).

thf(58,plain,
    ! [B: $i,A: $i] :
      ( ( A @ ssIm )
      | ~ ( B @ ( A @ pair ) @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(27,axiom,
    a @ ssP,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause5) ).

thf(82,plain,
    a @ ssP,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(33,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ encr ) @ ssIm )
      | ~ ( C @ ssP )
      | ~ ( C @ ( B @ key ) @ ssIk )
      | ~ ( A @ ssIm ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause29) ).

thf(90,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( B @ ( A @ encr ) @ ssIm )
      | ~ ( C @ ssP )
      | ~ ( C @ ( B @ key ) @ ssIk )
      | ~ ( A @ ssIm ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(28,axiom,
    t @ ( at @ key ) @ ssAk,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause13) ).

thf(83,plain,
    t @ ( at @ key ) @ ssAk,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(99,plain,
    $false,
    inference(e,[status(thm)],[84,60,53,77,41,45,81,67,87,51,79,47,69,88,93,57,78,61,74,38,70,92,65,97,49,86,63,95,72,43,40,55,75,58,82,90,83]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SYN982-1 : TPTP v9.3.1. Released v3.1.0.
% 0.00/0.07  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.13/0.39  % Computer : n008.cluster.edu
% 0.13/0.39  % Model    : x86_64 x86_64
% 0.13/0.39  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.39  % Memory   : 8046.5625MB
% 0.13/0.39  % OS       : Linux 6.8.0-71-generic
% 0.13/0.40  % CPULimit : 300
% 0.13/0.40  % WCLimit  : 300
% 0.13/0.40  % DateTime : Sat Sep 26 18:53:55 UTC 2026
% 0.13/0.40  % CPUTime  : 
% 0.13/0.40  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.93/1.31  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.16/1.57  % [INFO] 	 Parsing done (262ms). 
% 1.16/1.59  % [INFO] 	 Running in sequential loop mode. 
% 1.94/1.99  % [INFO] 	 eprover registered as external prover. 
% 1.94/2.00  % [INFO] 	 Scanning for conjecture ... 
% 2.20/2.10  % [INFO] 	 Found a conjecture (or negated_conjecture) and 36 axioms. Running axiom selection ... 
% 2.38/2.19  % [INFO] 	 Axiom selection finished. Selected 36 axioms (removed 0 axioms). 
% 2.52/2.25  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 2.52/2.25  % [INFO] 	 Type checking passed. 
% 2.52/2.26  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 4.36/2.95  % External prover 'e' found a proof!
% 4.36/2.95  % [INFO] 	 Killing All external provers ... 
% 4.36/2.95  % Time passed: 2281ms (effective reasoning time: 1359ms)
% 4.36/2.96  % Axioms used in derivation (36): clause17, clause22, clause16, clause28, clause12, clause23, clause6, clause5, clause27, clause20, clause33, clause19, clause36, clause3, clause29, clause32, clause18, clause7, clause25, clause11, clause14, clause13, clause31, clause24, clause2, clause1, clause34, clause35, clause8, clause30, clause4, clause26, clause9, clause10, clause15, clause21
% 4.36/2.96  % No. of inferences in proof: 75
% 4.36/2.96  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p : 2281 ms resp. 1359 ms w/o parsing
% 4.72/3.03  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 4.72/3.03  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------