TSTP Solution File: SYN716-1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYN716-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n015.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 Jul 27 13:25:10 EDT 2022

% Result   : Unsatisfiable 2.06s 2.25s
% Output   : Refutation 2.06s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   14 (  10 unt;   0 nHn;  10 RR)
%            Number of literals    :   21 (   0 equ;   8 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :   10 (   2 avg)
%            Number of predicates  :    6 (   5 usr;   1 prp; 0-2 aty)
%            Number of functors    :   34 (  34 usr;  12 con; 0-2 aty)
%            Number of variables   :   31 (   6 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ p62(c67,c72),
    file('SYN716-1.p',unknown),
    [] ).

cnf(35,axiom,
    ( p62(A,B)
    | ~ p4(C,A)
    | ~ p62(C,D)
    | ~ p32(D,B) ),
    file('SYN716-1.p',unknown),
    [] ).

cnf(53,axiom,
    ( p4(f5(A,B),f5(C,D))
    | ~ p2(A,C)
    | ~ p3(B,D) ),
    file('SYN716-1.p',unknown),
    [] ).

cnf(64,axiom,
    ( p62(A,B)
    | ~ p62(f5(c64,f16(f19(f21(c66,A),C),D)),B) ),
    file('SYN716-1.p',unknown),
    [] ).

cnf(66,axiom,
    ( p62(A,B)
    | ~ p62(f23(f25(f27(f29(f31(c74,A),C),D),E),F),B) ),
    file('SYN716-1.p',unknown),
    [] ).

cnf(90,axiom,
    p32(A,A),
    file('SYN716-1.p',unknown),
    [] ).

cnf(98,axiom,
    p2(A,A),
    file('SYN716-1.p',unknown),
    [] ).

cnf(104,axiom,
    p62(f5(c64,f8(f11(f13(c65,f16(f19(f21(c66,c67),c68),c69)),c70),c71)),c72),
    file('SYN716-1.p',unknown),
    [] ).

cnf(105,axiom,
    p3(f8(f11(f13(c65,f16(f19(f21(c66,A),B),C)),D),E),f16(f19(f21(c66,f23(f25(f27(f29(f31(c74,A),B),C),D),E)),f43(f45(f47(f49(f51(c75,A),B),C),D),E)),f53(f55(f57(f59(f61(c76,A),B),C),D),E))),
    file('SYN716-1.p',unknown),
    [] ).

cnf(108,plain,
    p4(f5(A,f8(f11(f13(c65,f16(f19(f21(c66,B),C),D)),E),F)),f5(A,f16(f19(f21(c66,f23(f25(f27(f29(f31(c74,B),C),D),E),F)),f43(f45(f47(f49(f51(c75,B),C),D),E),F)),f53(f55(f57(f59(f61(c76,B),C),D),E),F)))),
    inference(hyper,[status(thm)],[105,53,98]),
    [iquote('hyper,105,53,98')] ).

cnf(120,plain,
    p62(f5(c64,f16(f19(f21(c66,f23(f25(f27(f29(f31(c74,c67),c68),c69),c70),c71)),f43(f45(f47(f49(f51(c75,c67),c68),c69),c70),c71)),f53(f55(f57(f59(f61(c76,c67),c68),c69),c70),c71))),c72),
    inference(hyper,[status(thm)],[108,35,104,90]),
    [iquote('hyper,108,35,104,90')] ).

cnf(122,plain,
    p62(f23(f25(f27(f29(f31(c74,c67),c68),c69),c70),c71),c72),
    inference(hyper,[status(thm)],[120,64]),
    [iquote('hyper,120,64')] ).

cnf(125,plain,
    p62(c67,c72),
    inference(hyper,[status(thm)],[122,66]),
    [iquote('hyper,122,66')] ).

cnf(126,plain,
    $false,
    inference(binary,[status(thm)],[125,1]),
    [iquote('binary,125.1,1.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : SYN716-1 : TPTP v8.1.0. Released v2.5.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n015.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 11:19:57 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.06/2.25  ----- Otter 3.3f, August 2004 -----
% 2.06/2.25  The process was started by sandbox on n015.cluster.edu,
% 2.06/2.25  Wed Jul 27 11:19:57 2022
% 2.06/2.25  The command was "./otter".  The process ID is 22161.
% 2.06/2.25  
% 2.06/2.25  set(prolog_style_variables).
% 2.06/2.25  set(auto).
% 2.06/2.25     dependent: set(auto1).
% 2.06/2.25     dependent: set(process_input).
% 2.06/2.25     dependent: clear(print_kept).
% 2.06/2.25     dependent: clear(print_new_demod).
% 2.06/2.25     dependent: clear(print_back_demod).
% 2.06/2.25     dependent: clear(print_back_sub).
% 2.06/2.25     dependent: set(control_memory).
% 2.06/2.25     dependent: assign(max_mem, 12000).
% 2.06/2.25     dependent: assign(pick_given_ratio, 4).
% 2.06/2.25     dependent: assign(stats_level, 1).
% 2.06/2.25     dependent: assign(max_seconds, 10800).
% 2.06/2.25  clear(print_given).
% 2.06/2.25  
% 2.06/2.25  list(usable).
% 2.06/2.25  0 [] p10(X0,X0).
% 2.06/2.25  0 [] p9(X222,X222).
% 2.06/2.25  0 [] p7(X215,X215).
% 2.06/2.25  0 [] p60(X196,X196).
% 2.06/2.25  0 [] p6(X189,X189).
% 2.06/2.25  0 [] p58(X182,X182).
% 2.06/2.25  0 [] p56(X175,X175).
% 2.06/2.25  0 [] p54(X168,X168).
% 2.06/2.25  0 [] p52(X161,X161).
% 2.06/2.25  0 [] p50(X158,X158).
% 2.06/2.25  0 [] p48(X151,X151).
% 2.06/2.25  0 [] p46(X144,X144).
% 2.06/2.25  0 [] p44(X137,X137).
% 2.06/2.25  0 [] p42(X130,X130).
% 2.06/2.25  0 [] p40(X127,X127).
% 2.06/2.25  0 [] p4(X116,X116).
% 2.06/2.25  0 [] p38(X109,X109).
% 2.06/2.25  0 [] p35(X102,X102).
% 2.06/2.25  0 [] p34(X95,X95).
% 2.06/2.25  0 [] p32(X92,X92).
% 2.06/2.25  0 [] p30(X89,X89).
% 2.06/2.25  0 [] p3(X78,X78).
% 2.06/2.25  0 [] p28(X71,X71).
% 2.06/2.25  0 [] p26(X64,X64).
% 2.06/2.25  0 [] p24(X57,X57).
% 2.06/2.25  0 [] p22(X50,X50).
% 2.06/2.25  0 [] p20(X47,X47).
% 2.06/2.25  0 [] p2(X44,X44).
% 2.06/2.25  0 [] p18(X37,X37).
% 2.06/2.25  0 [] p17(X30,X30).
% 2.06/2.25  0 [] p15(X23,X23).
% 2.06/2.25  0 [] p14(X16,X16).
% 2.06/2.25  0 [] p12(X13,X13).
% 2.06/2.25  0 [] -p62(c67,c72).
% 2.06/2.25  0 [] p10(X1,X2)| -p10(X0,X1)| -p10(X0,X2).
% 2.06/2.25  0 [] p9(X223,X224)| -p9(X222,X223)| -p9(X222,X224).
% 2.06/2.25  0 [] p7(X216,X217)| -p7(X215,X216)| -p7(X215,X217).
% 2.06/2.25  0 [] p60(X197,X198)| -p60(X196,X197)| -p60(X196,X198).
% 2.06/2.25  0 [] p6(X190,X191)| -p6(X189,X190)| -p6(X189,X191).
% 2.06/2.25  0 [] p58(X183,X184)| -p58(X182,X183)| -p58(X182,X184).
% 2.06/2.25  0 [] p56(X176,X177)| -p56(X175,X176)| -p56(X175,X177).
% 2.06/2.25  0 [] p54(X169,X170)| -p54(X168,X169)| -p54(X168,X170).
% 2.06/2.25  0 [] p52(X162,X163)| -p52(X161,X162)| -p52(X161,X163).
% 2.06/2.25  0 [] p50(X159,X160)| -p50(X158,X159)| -p50(X158,X160).
% 2.06/2.25  0 [] p48(X152,X153)| -p48(X151,X152)| -p48(X151,X153).
% 2.06/2.25  0 [] p46(X145,X146)| -p46(X144,X145)| -p46(X144,X146).
% 2.06/2.25  0 [] p44(X138,X139)| -p44(X137,X138)| -p44(X137,X139).
% 2.06/2.25  0 [] p42(X131,X132)| -p42(X130,X131)| -p42(X130,X132).
% 2.06/2.25  0 [] p40(X128,X129)| -p40(X127,X128)| -p40(X127,X129).
% 2.06/2.25  0 [] p4(X117,X118)| -p4(X116,X117)| -p4(X116,X118).
% 2.06/2.25  0 [] p38(X110,X111)| -p38(X109,X110)| -p38(X109,X111).
% 2.06/2.25  0 [] p35(X103,X104)| -p35(X102,X103)| -p35(X102,X104).
% 2.06/2.25  0 [] p34(X96,X97)| -p34(X95,X96)| -p34(X95,X97).
% 2.06/2.25  0 [] p32(X93,X94)| -p32(X92,X93)| -p32(X92,X94).
% 2.06/2.25  0 [] p30(X90,X91)| -p30(X89,X90)| -p30(X89,X91).
% 2.06/2.25  0 [] p3(X79,X80)| -p3(X78,X79)| -p3(X78,X80).
% 2.06/2.25  0 [] p28(X72,X73)| -p28(X71,X72)| -p28(X71,X73).
% 2.06/2.25  0 [] p26(X65,X66)| -p26(X64,X65)| -p26(X64,X66).
% 2.06/2.25  0 [] p24(X58,X59)| -p24(X57,X58)| -p24(X57,X59).
% 2.06/2.25  0 [] p22(X51,X52)| -p22(X50,X51)| -p22(X50,X52).
% 2.06/2.25  0 [] p20(X48,X49)| -p20(X47,X48)| -p20(X47,X49).
% 2.06/2.25  0 [] p2(X45,X46)| -p2(X44,X45)| -p2(X44,X46).
% 2.06/2.25  0 [] p18(X38,X39)| -p18(X37,X38)| -p18(X37,X39).
% 2.06/2.25  0 [] p17(X31,X32)| -p17(X30,X31)| -p17(X30,X32).
% 2.06/2.25  0 [] p15(X24,X25)| -p15(X23,X24)| -p15(X23,X25).
% 2.06/2.25  0 [] p14(X17,X18)| -p14(X16,X17)| -p14(X16,X18).
% 2.06/2.25  0 [] p12(X14,X15)| -p12(X13,X14)| -p12(X13,X15).
% 2.06/2.25  0 [] p62(X199,X200)| -p4(X202,X199)| -p62(X202,X201)| -p32(X201,X200).
% 2.06/2.25  0 [] p63(X207,X208)| -p63(X209,X210)| -p7(X210,X208)| -p35(X209,X207).
% 2.06/2.25  0 [] p9(f13(X225,X226),f13(X227,X228))| -p12(X225,X227)| -p3(X226,X228).
% 2.06/2.25  0 [] p10(f37(X3,X4),f37(X5,X6))| -p18(X3,X5)| -p32(X4,X6).
% 2.06/2.25  0 [] p14(f19(X19,X20),f19(X21,X22))| -p17(X19,X21)| -p18(X20,X22).
% 2.06/2.25  0 [] p15(f53(X26,X27),f53(X28,X29))| -p52(X26,X28)| -p7(X27,X29).
% 2.06/2.25  0 [] p17(f21(X33,X34),f21(X35,X36))| -p20(X33,X35)| -p4(X34,X36).
% 2.06/2.25  0 [] p18(f43(X40,X41),f43(X42,X43))| -p42(X40,X42)| -p7(X41,X43).
% 2.06/2.25  0 [] p22(f25(X53,X54),f25(X55,X56))| -p10(X54,X56)| -p24(X53,X55).
% 2.06/2.25  0 [] p24(f27(X60,X61),f27(X62,X63))| -p15(X61,X63)| -p26(X60,X62).
% 2.06/2.25  0 [] p26(f29(X67,X68),f29(X69,X70))| -p18(X68,X70)| -p28(X67,X69).
% 2.06/2.25  0 [] p28(f31(X74,X75),f31(X76,X77))| -p30(X74,X76)| -p4(X75,X77).
% 2.06/2.25  0 [] p3(f16(X81,X82),f16(X83,X84))| -p14(X81,X83)| -p15(X82,X84).
% 2.06/2.25  0 [] p3(f8(X85,X86),f8(X87,X88))| -p6(X85,X87)| -p7(X86,X88).
% 2.06/2.25  0 [] p34(f39(X98,X99),f39(X100,X101))| -p38(X98,X100)| -p7(X99,X101).
% 2.06/2.25  0 [] p35(f36(X105,X106),f36(X107,X108))| -p10(X106,X108)| -p34(X105,X107).
% 2.06/2.25  0 [] p38(f41(X112,X113),f41(X114,X115))| -p10(X113,X115)| -p40(X112,X114).
% 2.06/2.25  0 [] p4(f23(X119,X120),f23(X121,X122))| -p22(X119,X121)| -p7(X120,X122).
% 2.06/2.25  0 [] p4(f5(X123,X124),f5(X125,X126))| -p2(X123,X125)| -p3(X124,X126).
% 2.06/2.25  0 [] p42(f45(X133,X134),f45(X135,X136))| -p10(X134,X136)| -p44(X133,X135).
% 2.06/2.25  0 [] p44(f47(X140,X141),f47(X142,X143))| -p15(X141,X143)| -p46(X140,X142).
% 2.06/2.25  0 [] p46(f49(X147,X148),f49(X149,X150))| -p18(X148,X150)| -p48(X147,X149).
% 2.06/2.25  0 [] p48(f51(X154,X155),f51(X156,X157))| -p4(X155,X157)| -p50(X154,X156).
% 2.06/2.25  0 [] p52(f55(X164,X165),f55(X166,X167))| -p10(X165,X167)| -p54(X164,X166).
% 2.06/2.25  0 [] p54(f57(X171,X172),f57(X173,X174))| -p15(X172,X174)| -p56(X171,X173).
% 2.06/2.25  0 [] p56(f59(X178,X179),f59(X180,X181))| -p18(X179,X181)| -p58(X178,X180).
% 2.06/2.25  0 [] p58(f61(X185,X186),f61(X187,X188))| -p4(X186,X188)| -p60(X185,X187).
% 2.06/2.25  0 [] p6(f11(X192,X193),f11(X194,X195))| -p10(X193,X195)| -p9(X192,X194).
% 2.06/2.25  0 [] p7(f33(X218,X219),f33(X220,X221))| -p15(X218,X220)| -p32(X219,X221).
% 2.06/2.25  0 [] p62(X203,X204)| -p62(f5(c64,f16(f19(f21(c66,X203),X205),X206)),X204).
% 2.06/2.25  0 [] p62(f5(c64,f16(f19(f21(c66,X203),X205),X206)),X204)| -p62(X203,X204).
% 2.06/2.25  0 [] p62(X7,X12)| -p62(f23(f25(f27(f29(f31(c74,X7),X8),X9),X10),X11),X12).
% 2.06/2.25  0 [] p62(f5(c64,f8(f11(f13(c65,f16(f19(f21(c66,c67),c68),c69)),c70),c71)),c72).
% 2.06/2.25  0 [] p63(f36(f39(f41(c73,X213),X214),X211),X212)| -p63(f36(f39(f41(c73,X211),X212),X213),X214).
% 2.06/2.25  0 [] p63(f36(f39(f41(c73,X211),X212),X213),X214)| -p63(f36(f39(f41(c73,X213),X214),X211),X212).
% 2.06/2.25  0 [] -p63(f36(f39(f41(c73,X10),X11),f37(X8,X12)),f33(X9,X12))| -p62(f23(f25(f27(f29(f31(c74,X7),X8),X9),X10),X11),X12).
% 2.06/2.25  0 [] p10(f37(f43(f45(f47(f49(f51(c75,X7),X8),X9),X10),X11),X12),f37(X8,X12))| -p62(f23(f25(f27(f29(f31(c74,X7),X8),X9),X10),X11),X12).
% 2.06/2.25  0 [] p7(f33(f53(f55(f57(f59(f61(c76,X7),X8),X9),X10),X11),X12),f33(X9,X12))| -p62(f23(f25(f27(f29(f31(c74,X7),X8),X9),X10),X11),X12).
% 2.06/2.25  0 [] p3(f8(f11(f13(c65,f16(f19(f21(c66,X7),X8),X9)),X10),X11),f16(f19(f21(c66,f23(f25(f27(f29(f31(c74,X7),X8),X9),X10),X11)),f43(f45(f47(f49(f51(c75,X7),X8),X9),X10),X11)),f53(f55(f57(f59(f61(c76,X7),X8),X9),X10),X11))).
% 2.06/2.25  end_of_list.
% 2.06/2.25  
% 2.06/2.25  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=4.
% 2.06/2.25  
% 2.06/2.25  This is a Horn set without equality.  The strategy will
% 2.06/2.25  be hyperresolution, with satellites in sos and nuclei
% 2.06/2.25  in usable.
% 2.06/2.25  
% 2.06/2.25     dependent: set(hyper_res).
% 2.06/2.25     dependent: clear(order_hyper).
% 2.06/2.25  
% 2.06/2.25  ------------> process usable:
% 2.06/2.25  ** KEPT (pick-wt=3): 1 [] -p62(c67,c72).
% 2.06/2.25  ** KEPT (pick-wt=9): 2 [] p10(A,B)| -p10(C,A)| -p10(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 3 [] p9(A,B)| -p9(C,A)| -p9(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 4 [] p7(A,B)| -p7(C,A)| -p7(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 5 [] p60(A,B)| -p60(C,A)| -p60(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 6 [] p6(A,B)| -p6(C,A)| -p6(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 7 [] p58(A,B)| -p58(C,A)| -p58(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 8 [] p56(A,B)| -p56(C,A)| -p56(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 9 [] p54(A,B)| -p54(C,A)| -p54(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 10 [] p52(A,B)| -p52(C,A)| -p52(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 11 [] p50(A,B)| -p50(C,A)| -p50(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 12 [] p48(A,B)| -p48(C,A)| -p48(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 13 [] p46(A,B)| -p46(C,A)| -p46(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 14 [] p44(A,B)| -p44(C,A)| -p44(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 15 [] p42(A,B)| -p42(C,A)| -p42(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 16 [] p40(A,B)| -p40(C,A)| -p40(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 17 [] p4(A,B)| -p4(C,A)| -p4(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 18 [] p38(A,B)| -p38(C,A)| -p38(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 19 [] p35(A,B)| -p35(C,A)| -p35(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 20 [] p34(A,B)| -p34(C,A)| -p34(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 21 [] p32(A,B)| -p32(C,A)| -p32(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 22 [] p30(A,B)| -p30(C,A)| -p30(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 23 [] p3(A,B)| -p3(C,A)| -p3(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 24 [] p28(A,B)| -p28(C,A)| -p28(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 25 [] p26(A,B)| -p26(C,A)| -p26(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 26 [] p24(A,B)| -p24(C,A)| -p24(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 27 [] p22(A,B)| -p22(C,A)| -p22(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 28 [] p20(A,B)| -p20(C,A)| -p20(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 29 [] p2(A,B)| -p2(C,A)| -p2(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 30 [] p18(A,B)| -p18(C,A)| -p18(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 31 [] p17(A,B)| -p17(C,A)| -p17(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 32 [] p15(A,B)| -p15(C,A)| -p15(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 33 [] p14(A,B)| -p14(C,A)| -p14(C,B).
% 2.06/2.25  ** KEPT (pick-wt=9): 34 [] p12(A,B)| -p12(C,A)| -p12(C,B).
% 2.06/2.25  ** KEPT (pick-wt=12): 35 [] p62(A,B)| -p4(C,A)| -p62(C,D)| -p32(D,B).
% 2.06/2.25  ** KEPT (pick-wt=12): 36 [] p63(A,B)| -p63(C,D)| -p7(D,B)| -p35(C,A).
% 2.06/2.25  ** KEPT (pick-wt=13): 37 [] p9(f13(A,B),f13(C,D))| -p12(A,C)| -p3(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 38 [] p10(f37(A,B),f37(C,D))| -p18(A,C)| -p32(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 39 [] p14(f19(A,B),f19(C,D))| -p17(A,C)| -p18(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 40 [] p15(f53(A,B),f53(C,D))| -p52(A,C)| -p7(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 41 [] p17(f21(A,B),f21(C,D))| -p20(A,C)| -p4(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 42 [] p18(f43(A,B),f43(C,D))| -p42(A,C)| -p7(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 43 [] p22(f25(A,B),f25(C,D))| -p10(B,D)| -p24(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 44 [] p24(f27(A,B),f27(C,D))| -p15(B,D)| -p26(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 45 [] p26(f29(A,B),f29(C,D))| -p18(B,D)| -p28(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 46 [] p28(f31(A,B),f31(C,D))| -p30(A,C)| -p4(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 47 [] p3(f16(A,B),f16(C,D))| -p14(A,C)| -p15(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 48 [] p3(f8(A,B),f8(C,D))| -p6(A,C)| -p7(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 49 [] p34(f39(A,B),f39(C,D))| -p38(A,C)| -p7(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 50 [] p35(f36(A,B),f36(C,D))| -p10(B,D)| -p34(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 51 [] p38(f41(A,B),f41(C,D))| -p10(B,D)| -p40(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 52 [] p4(f23(A,B),f23(C,D))| -p22(A,C)| -p7(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 53 [] p4(f5(A,B),f5(C,D))| -p2(A,C)| -p3(B,D).
% 2.06/2.25  ** KEPT (pick-wt=13): 54 [] p42(f45(A,B),f45(C,D))| -p10(B,D)| -p44(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 55 [] p44(f47(A,B),f47(C,D))| -p15(B,D)| -p46(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 56 [] p46(f49(A,B),f49(C,D))| -p18(B,D)| -p48(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 57 [] p48(f51(A,B),f51(C,D))| -p4(B,D)| -p50(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 58 [] p52(f55(A,B),f55(C,D))| -p10(B,D)| -p54(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 59 [] p54(f57(A,B),f57(C,D))| -p15(B,D)| -p56(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 60 [] p56(f59(A,B),f59(C,D))| -p18(B,D)| -p58(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 61 [] p58(f61(A,B),f61(C,D))| -p4(B,D)| -p60(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 62 [] p6(f11(A,B),f11(C,D))| -p10(B,D)| -p9(A,C).
% 2.06/2.25  ** KEPT (pick-wt=13): 63 [] p7(f33(A,B),f33(C,D))| -p15(A,C)| -p32(B,D).
% 2.06/2.25  ** KEPT (pick-wt=14): 64 [] p62(A,B)| -p62(f5(c64,f16(f19(f21(c66,A),C),D)),B).
% 2.06/2.25  ** KEPT (pick-wt=14): 65 [] p62(f5(c64,f16(f19(f21(c66,A),B),C)),D)| -p62(A,D).
% 2.06/2.25  ** KEPT (pick-wt=16): 66 [] p62(A,B)| -p62(f23(f25(f27(f29(f31(c74,A),C),D),E),F),B).
% 2.06/2.25  ** KEPT (pick-wt=18): 67 [] p63(f36(f39(f41(c73,A),B),C),D)| -p63(f36(f39(f41(c73,C),D),A),B).
% 2.06/2.25    Following clause subsumed by 67 during input processing: 0 [] p63(f36(f39(f41(c73,A),B),C),D)| -p63(f36(f39(f41(c73,C),D),A),B).
% 2.06/2.25  ** KEPT (pick-wt=26): 68 [] -p63(f36(f39(f41(c73,A),B),f37(C,D)),f33(E,D))| -p62(f23(f25(f27(f29(f31(c74,F),C),E),A),B),D).
% 2.06/2.25  ** KEPT (pick-wt=30): 69 [] p10(f37(f43(f45(f47(f49(f51(c75,A),B),C),D),E),F),f37(B,F))| -p62(f23(f25(f27(f29(f31(c74,A),B),C),D),E),F).
% 2.06/2.25  ** KEPT (pick-wt=30): 70 [] p7(f33(f53(f55(f57(f59(f61(c76,A),B),C),D),E),F),f33(C,F))| -p62(f23(f25(f27(f29(f31(c74,A),B),C),D),E),F).
% 2.06/2.25  
% 2.06/2.25  ------------> process sos:
% 2.06/2.25  ** KEPT (pick-wt=3): 71 [] p10(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 72 [] p9(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 73 [] p7(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 74 [] p60(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 75 [] p6(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 76 [] p58(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 77 [] p56(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 78 [] p54(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 79 [] p52(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 80 [] p50(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 81 [] p48(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 82 [] p46(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 83 [] p44(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 84 [] p42(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 85 [] p40(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 86 [] p4(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 87 [] p38(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 88 [] p35(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 89 [] p34(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 90 [] p32(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 91 [] p30(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 92 [] p3(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 93 [] p28(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 94 [] p26(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 95 [] p24(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 96 [] p22(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 97 [] p20(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 98 [] p2(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 99 [] p18(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 100 [] p17(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 101 [] p15(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 102 [] p14(A,A).
% 2.06/2.25  ** KEPT (pick-wt=3): 103 [] p12(A,A).
% 2.06/2.25  ** KEPT (pick-wt=17): 104 [] p62(f5(c64,f8(f11(f13(c65,f16(f19(f21(c66,c67),c68),c69)),c70),c71)),c72).
% 2.06/2.25  ** KEPT (pick-wt=51): 105 [] p3(f8(f11(f13(c65,f16(f19(f21(c66,A),B),C)),D),E),f16(f19(f21(c66,f23(f25(f27(f29(f31(c74,A),B),C),D),E)),f43(f45(f47(f49(f51(c75,A),B),C),D),E)),f53(f55(f57(f59(f61(c76,A),B),C),D),E))).
% 2.06/2.25  
% 2.06/2.25  ======= end of input processing =======
% 2.06/2.25  
% 2.06/2.25  =========== start of search ===========
% 2.06/2.25  
% 2.06/2.25  -------- PROOF -------- 
% 2.06/2.25  
% 2.06/2.25  ----> UNIT CONFLICT at   0.01 sec ----> 126 [binary,125.1,1.1] $F.
% 2.06/2.25  
% 2.06/2.25  Length of proof is 4.  Level of proof is 4.
% 2.06/2.25  
% 2.06/2.25  ---------------- PROOF ----------------
% 2.06/2.25  % SZS status Unsatisfiable
% 2.06/2.25  % SZS output start Refutation
% See solution above
% 2.06/2.25  ------------ end of proof -------------
% 2.06/2.25  
% 2.06/2.25  
% 2.06/2.25  Search stopped by max_proofs option.
% 2.06/2.25  
% 2.06/2.25  
% 2.06/2.25  Search stopped by max_proofs option.
% 2.06/2.25  
% 2.06/2.25  ============ end of search ============
% 2.06/2.25  
% 2.06/2.25  -------------- statistics -------------
% 2.06/2.25  clauses given                 43
% 2.06/2.25  clauses generated            134
% 2.06/2.25  clauses kept                 125
% 2.06/2.25  clauses forward subsumed     115
% 2.06/2.25  clauses back subsumed          0
% 2.06/2.25  Kbytes malloced             2929
% 2.06/2.25  
% 2.06/2.25  ----------- times (seconds) -----------
% 2.06/2.25  user CPU time          0.01          (0 hr, 0 min, 0 sec)
% 2.06/2.25  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.06/2.25  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 2.06/2.25  
% 2.06/2.25  That finishes the proof of the theorem.
% 2.06/2.25  
% 2.06/2.25  Process 22161 finished Wed Jul 27 11:19:58 2022
% 2.06/2.25  Otter interrupted
% 2.06/2.25  PROOF FOUND
%------------------------------------------------------------------------------