TSTP Solution File: SYN076-1 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : SYN076-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n001.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 : Fri May 19 12:27:13 EDT 2023

% Result   : Unsatisfiable 24.08s 5.13s
% Output   : Refutation 24.08s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :   49
% Syntax   : Number of formulae    :   84 (   3 unt;  15 typ;   0 def)
%            Number of atoms       :  391 ( 262 equ;   0 cnn)
%            Maximal formula atoms :    6 (   5 avg)
%            Number of connectives : 1220 ( 194   ~; 322   |;   0   &; 704   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (  12 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   16 (  16   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   17 (  15 usr;   5 con; 0-2 aty)
%            Number of variables   :  258 (   0   ^; 258   !;   0   ?; 258   :)

% Comments : 
%------------------------------------------------------------------------------
thf(big_f_type,type,
    big_f: $i > $i > $o ).

thf(f1_type,type,
    f1: $i > $i > $i ).

thf(c3_type,type,
    c3: $i ).

thf(f3_type,type,
    f3: $i > $i > $i ).

thf(c4_type,type,
    c4: $i ).

thf(f4_type,type,
    f4: $i > $i ).

thf(f2_type,type,
    f2: $i > $i ).

thf(f7_type,type,
    f7: $i > $i ).

thf(f5_type,type,
    f5: $i > $i ).

thf(f10_type,type,
    f10: $i > $i ).

thf(f8_type,type,
    f8: $i > $i ).

thf(f9_type,type,
    f9: $i > $i > $i ).

thf(f6_type,type,
    f6: $i > $i > $i ).

thf(c2_type,type,
    c2: $i ).

thf(c1_type,type,
    c1: $i ).

thf(25,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
        = B )
      | ( ( f7 @ A )
       != A )
      | ~ ( big_f @ C @ ( f10 @ D ) )
      | ( C
        = ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_27) ).

thf(52,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
        = B )
      | ( ( f7 @ A )
       != A )
      | ~ ( big_f @ C @ ( f10 @ D ) )
      | ( C
        = ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(16,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ B )
      | ( B
       != ( f2 @ A ) )
      | ( A != c3 )
      | ( big_f @ C @ D )
      | ( C
       != ( f4 @ D ) )
      | ( D != c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_18) ).

thf(61,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ B )
      | ( B
       != ( f2 @ A ) )
      | ( A != c3 )
      | ( big_f @ C @ D )
      | ( C
       != ( f4 @ D ) )
      | ( D != c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(27,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
        = B )
      | ( ( f7 @ A )
       != A )
      | ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
        = D )
      | ( ( f10 @ C )
       != C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_29) ).

thf(60,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
        = B )
      | ( ( f7 @ A )
       != A )
      | ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
        = D )
      | ( ( f10 @ C )
       != C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(1,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
        = B )
      | ( A = c3 )
      | ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
        = D )
      | ( C = c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_3) ).

thf(38,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
        = B )
      | ( A = c3 )
      | ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
        = D )
      | ( C = c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(30,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
       != B )
      | ( ( f7 @ A )
       != A )
      | ( big_f @ C @ ( f10 @ D ) )
      | ( C
       != ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_32) ).

thf(65,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
       != B )
      | ( ( f7 @ A )
       != A )
      | ( big_f @ C @ ( f10 @ D ) )
      | ( C
       != ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(20,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ B )
      | ( B
        = ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ~ ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
       != D )
      | ( ( f10 @ C )
       != C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_22) ).

thf(53,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ B )
      | ( B
        = ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ~ ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
       != D )
      | ( ( f10 @ C )
       != C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(13,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ B )
      | ( B
       != ( f2 @ A ) )
      | ( A != c3 )
      | ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
        = D )
      | ( C = c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_15) ).

thf(41,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ B )
      | ( B
       != ( f2 @ A ) )
      | ( A != c3 )
      | ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
        = D )
      | ( C = c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(6,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
       != B )
      | ( A = c3 )
      | ~ ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
       != D )
      | ( C = c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_8) ).

thf(39,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
       != B )
      | ( A = c3 )
      | ~ ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
       != D )
      | ( C = c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(19,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ B )
      | ( B
        = ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
        = D )
      | ( ( f10 @ C )
       != C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_21) ).

thf(66,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ B )
      | ( B
        = ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
        = D )
      | ( ( f10 @ C )
       != C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(5,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
       != B )
      | ( A = c3 )
      | ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
        = D )
      | ( C = c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_7) ).

thf(35,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
       != B )
      | ( A = c3 )
      | ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
        = D )
      | ( C = c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(15,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ B )
      | ( B
       != ( f2 @ A ) )
      | ( A != c3 )
      | ~ ( big_f @ C @ D )
      | ( C
        = ( f4 @ D ) )
      | ( D != c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_17) ).

thf(50,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ B )
      | ( B
       != ( f2 @ A ) )
      | ( A != c3 )
      | ~ ( big_f @ C @ D )
      | ( C
        = ( f4 @ D ) )
      | ( D != c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(12,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ B )
      | ( B
        = ( f2 @ A ) )
      | ( A != c3 )
      | ( big_f @ C @ D )
      | ( C
       != ( f4 @ D ) )
      | ( D != c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_14) ).

thf(43,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ B )
      | ( B
        = ( f2 @ A ) )
      | ( A != c3 )
      | ( big_f @ C @ D )
      | ( C
       != ( f4 @ D ) )
      | ( D != c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(17,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ B )
      | ( B
        = ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ~ ( big_f @ C @ ( f10 @ D ) )
      | ( C
        = ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_19) ).

thf(58,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ B )
      | ( B
        = ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ~ ( big_f @ C @ ( f10 @ D ) )
      | ( C
        = ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(21,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ B )
      | ( B
       != ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ~ ( big_f @ C @ ( f10 @ D ) )
      | ( C
        = ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_23) ).

thf(56,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ B )
      | ( B
       != ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ~ ( big_f @ C @ ( f10 @ D ) )
      | ( C
        = ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(34,axiom,
    ! [A: $i] :
      ( ( A = c2 )
      | ( A = c1 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_2) ).

thf(153,plain,
    ! [A: $i] :
      ( ( A = c2 )
      | ( A = c1 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(2,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
        = B )
      | ( A = c3 )
      | ~ ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
       != D )
      | ( C = c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_4) ).

thf(42,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
        = B )
      | ( A = c3 )
      | ~ ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
       != D )
      | ( C = c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(14,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ B )
      | ( B
       != ( f2 @ A ) )
      | ( A != c3 )
      | ~ ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
       != D )
      | ( C = c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_16) ).

thf(37,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ B )
      | ( B
       != ( f2 @ A ) )
      | ( A != c3 )
      | ~ ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
       != D )
      | ( C = c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(18,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ B )
      | ( B
        = ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ( big_f @ C @ ( f10 @ D ) )
      | ( C
       != ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_20) ).

thf(46,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ B )
      | ( B
        = ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ( big_f @ C @ ( f10 @ D ) )
      | ( C
       != ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(32,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
       != B )
      | ( ( f7 @ A )
       != A )
      | ~ ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
       != D )
      | ( ( f10 @ C )
       != C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_34) ).

thf(57,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
       != B )
      | ( ( f7 @ A )
       != A )
      | ~ ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
       != D )
      | ( ( f10 @ C )
       != C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(3,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
        = B )
      | ( A = c3 )
      | ~ ( big_f @ C @ D )
      | ( C
        = ( f4 @ D ) )
      | ( D != c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_5) ).

thf(45,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
        = B )
      | ( A = c3 )
      | ~ ( big_f @ C @ D )
      | ( C
        = ( f4 @ D ) )
      | ( D != c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(23,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ B )
      | ( B
       != ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
        = D )
      | ( ( f10 @ C )
       != C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_25) ).

thf(64,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ B )
      | ( B
       != ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
        = D )
      | ( ( f10 @ C )
       != C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(7,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
       != B )
      | ( A = c3 )
      | ~ ( big_f @ C @ D )
      | ( C
        = ( f4 @ D ) )
      | ( D != c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_9) ).

thf(44,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
       != B )
      | ( A = c3 )
      | ~ ( big_f @ C @ D )
      | ( C
        = ( f4 @ D ) )
      | ( D != c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(22,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ B )
      | ( B
       != ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ( big_f @ C @ ( f10 @ D ) )
      | ( C
       != ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_24) ).

thf(59,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ B )
      | ( B
       != ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ( big_f @ C @ ( f10 @ D ) )
      | ( C
       != ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(29,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
       != B )
      | ( ( f7 @ A )
       != A )
      | ~ ( big_f @ C @ ( f10 @ D ) )
      | ( C
        = ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_31) ).

thf(54,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
       != B )
      | ( ( f7 @ A )
       != A )
      | ~ ( big_f @ C @ ( f10 @ D ) )
      | ( C
        = ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(4,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
        = B )
      | ( A = c3 )
      | ( big_f @ C @ D )
      | ( C
       != ( f4 @ D ) )
      | ( D != c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_6) ).

thf(49,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
        = B )
      | ( A = c3 )
      | ( big_f @ C @ D )
      | ( C
       != ( f4 @ D ) )
      | ( D != c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(8,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
       != B )
      | ( A = c3 )
      | ( big_f @ C @ D )
      | ( C
       != ( f4 @ D ) )
      | ( D != c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_10) ).

thf(48,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ ( f1 @ A @ B ) )
      | ( ( f1 @ A @ B )
       != B )
      | ( A = c3 )
      | ( big_f @ C @ D )
      | ( C
       != ( f4 @ D ) )
      | ( D != c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(26,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
        = B )
      | ( ( f7 @ A )
       != A )
      | ( big_f @ C @ ( f10 @ D ) )
      | ( C
       != ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_28) ).

thf(63,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
        = B )
      | ( ( f7 @ A )
       != A )
      | ( big_f @ C @ ( f10 @ D ) )
      | ( C
       != ( f8 @ D ) )
      | ( ( f10 @ D )
        = D ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(33,axiom,
    c2 != c1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_1) ).

thf(150,plain,
    c2 != c1,
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(9,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ B )
      | ( B
        = ( f2 @ A ) )
      | ( A != c3 )
      | ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
        = D )
      | ( C = c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_11) ).

thf(40,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ B )
      | ( B
        = ( f2 @ A ) )
      | ( A != c3 )
      | ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
        = D )
      | ( C = c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(28,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
        = B )
      | ( ( f7 @ A )
       != A )
      | ~ ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
       != D )
      | ( ( f10 @ C )
       != C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_30) ).

thf(55,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
        = B )
      | ( ( f7 @ A )
       != A )
      | ~ ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
       != D )
      | ( ( f10 @ C )
       != C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(10,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ B )
      | ( B
        = ( f2 @ A ) )
      | ( A != c3 )
      | ~ ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
       != D )
      | ( C = c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_12) ).

thf(36,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ B )
      | ( B
        = ( f2 @ A ) )
      | ( A != c3 )
      | ~ ( big_f @ ( f3 @ C @ D ) @ C )
      | ( ( f3 @ C @ D )
       != D )
      | ( C = c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(24,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ B )
      | ( B
       != ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ~ ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
       != D )
      | ( ( f10 @ C )
       != C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_26) ).

thf(51,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ( big_f @ ( f7 @ A ) @ B )
      | ( B
       != ( f5 @ A ) )
      | ( ( f7 @ A )
        = A )
      | ~ ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
       != D )
      | ( ( f10 @ C )
       != C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(11,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ B )
      | ( B
        = ( f2 @ A ) )
      | ( A != c3 )
      | ~ ( big_f @ C @ D )
      | ( C
        = ( f4 @ D ) )
      | ( D != c4 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_13) ).

thf(47,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ A @ B )
      | ( B
        = ( f2 @ A ) )
      | ( A != c3 )
      | ~ ( big_f @ C @ D )
      | ( C
        = ( f4 @ D ) )
      | ( D != c4 ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(31,negated_conjecture,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
       != B )
      | ( ( f7 @ A )
       != A )
      | ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
        = D )
      | ( ( f10 @ C )
       != C ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',clause_33) ).

thf(62,plain,
    ! [D: $i,C: $i,B: $i,A: $i] :
      ( ~ ( big_f @ ( f7 @ A ) @ ( f6 @ A @ B ) )
      | ( ( f6 @ A @ B )
       != B )
      | ( ( f7 @ A )
       != A )
      | ( big_f @ ( f9 @ C @ D ) @ ( f10 @ C ) )
      | ( ( f9 @ C @ D )
        = D )
      | ( ( f10 @ C )
       != C ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(8721,plain,
    $false,
    inference(cvc4,[status(thm)],[52,61,60,38,65,53,41,39,66,35,50,43,58,56,153,42,37,46,57,45,64,44,59,54,49,48,63,150,40,55,36,51,47,62]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : SYN076-1 : TPTP v8.1.2. Released v1.0.0.
% 0.10/0.15  % Command  : run_Leo-III %s %d
% 0.15/0.35  % Computer : n001.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit : 300
% 0.15/0.35  % WCLimit  : 300
% 0.15/0.35  % DateTime : Thu May 18 19:53:21 EDT 2023
% 0.15/0.35  % CPUTime  : 
% 1.01/0.89  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 1.29/1.05  % [INFO] 	 Parsing done (152ms). 
% 1.29/1.06  % [INFO] 	 Running in sequential loop mode. 
% 1.86/1.26  % [INFO] 	 eprover registered as external prover. 
% 1.86/1.26  % [INFO] 	 cvc4 registered as external prover. 
% 1.86/1.27  % [INFO] 	 Scanning for conjecture ... 
% 2.09/1.38  % [INFO] 	 Found a conjecture and 2 axioms. Running axiom selection ... 
% 2.33/1.46  % [INFO] 	 Axiom selection finished. Selected 2 axioms (removed 0 axioms). 
% 2.33/1.46  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 2.58/1.47  % [INFO] 	 Type checking passed. 
% 2.58/1.47  % [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 ... 
% 3.49/1.79  % [INFO] 	 [Domain constraints] Detected constraint on $i 
% 3.49/1.80  % [INFO] 	 [Domain constraints] dom($i) ⊆ {c2,c1} 
% 24.08/5.13  % External prover 'cvc4' found a proof!
% 24.08/5.13  % [INFO] 	 Killing All external provers ... 
% 24.08/5.13  % Time passed: 4608ms (effective reasoning time: 4073ms)
% 24.08/5.13  % Solved by 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)>
% 24.08/5.13  % Axioms used in derivation (2): clause_2, clause_1
% 24.08/5.13  % No. of inferences in proof: 69
% 24.08/5.13  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 4608 ms resp. 4073 ms w/o parsing
% 24.08/5.16  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 24.08/5.16  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------