TSTP Solution File: LAT010-1 by EQP---0.9e

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : LAT010-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %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  : 600s
% DateTime : Sun Jul 17 04:34:14 EDT 2022

% Result   : Unsatisfiable 1.55s 1.96s
% Output   : Refutation 1.55s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   57 (  57 unt;   0 nHn;   4 RR)
%            Number of literals    :   57 (   0 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    9 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :  153 (  26 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,plain,
    equal(meet(A,A),A),
    file('LAT010-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(meet(A,join(A,B)),A),
    file('LAT010-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(join(A,meet(A,B)),A),
    file('LAT010-1.p',unknown),
    [] ).

cnf(5,plain,
    equal(meet(A,B),meet(B,A)),
    file('LAT010-1.p',unknown),
    [] ).

cnf(6,plain,
    equal(join(A,B),join(B,A)),
    file('LAT010-1.p',unknown),
    [] ).

cnf(7,plain,
    equal(meet(meet(A,B),C),meet(A,meet(B,C))),
    file('LAT010-1.p',unknown),
    [] ).

cnf(8,plain,
    equal(join(join(A,B),C),join(A,join(B,C))),
    file('LAT010-1.p',unknown),
    [] ).

cnf(9,plain,
    equal(meet(A,join(B,meet(C,join(A,D)))),join(meet(A,join(B,meet(A,C))),meet(A,join(meet(A,B),meet(C,D))))),
    file('LAT010-1.p',unknown),
    [] ).

cnf(12,plain,
    equal(meet(join(A,meet(B,C)),join(C,meet(A,B))),join(meet(C,join(A,meet(B,C))),meet(A,join(B,C)))),
    file('LAT010-1.p',unknown),
    [] ).

cnf(13,plain,
    ~ equal(meet(a,meet(join(b,c),meet(join(b,d),join(meet(a,join(b,meet(c,d))),join(meet(a,c),meet(a,d)))))),meet(a,meet(join(b,c),join(b,d)))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[7,7]),1]),
    [iquote('demod([7,7]),flip(1)')] ).

cnf(14,plain,
    equal(meet(join(A,B),A),A),
    inference(para,[status(thm),theory(equality)],[5,3]),
    [iquote('para(5,3)')] ).

cnf(15,plain,
    equal(join(A,meet(B,A)),A),
    inference(para,[status(thm),theory(equality)],[5,4]),
    [iquote('para(5,4)')] ).

cnf(16,plain,
    equal(meet(A,join(B,A)),A),
    inference(para,[status(thm),theory(equality)],[6,3]),
    [iquote('para(6,3)')] ).

cnf(19,plain,
    equal(meet(A,meet(A,B)),meet(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[1,7]),1]),
    [iquote('para(1,7),flip(1)')] ).

cnf(20,plain,
    equal(join(A,join(B,A)),join(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[14,4]),8]),
    [iquote('para(14,4),demod([8])')] ).

cnf(22,plain,
    equal(meet(A,meet(join(A,B),C)),meet(A,C)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[3,7]),1]),
    [iquote('para(3,7),flip(1)')] ).

cnf(23,plain,
    equal(join(meet(A,B),B),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[15,6]),1]),
    [iquote('para(15,6),flip(1)')] ).

cnf(24,plain,
    equal(join(meet(A,B),meet(A,meet(B,C))),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[7,4]),
    [iquote('para(7,4)')] ).

cnf(25,plain,
    equal(meet(A,meet(B,A)),meet(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,16]),7]),
    [iquote('para(4,16),demod([7])')] ).

cnf(26,plain,
    equal(meet(join(A,B),B),B),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[16,5]),1]),
    [iquote('para(16,5),flip(1)')] ).

cnf(27,plain,
    equal(meet(A,meet(B,C)),meet(C,meet(A,B))),
    inference(para,[status(thm),theory(equality)],[7,5]),
    [iquote('para(7,5)')] ).

cnf(29,plain,
    equal(meet(A,meet(B,C)),meet(B,meet(A,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[5,7]),7]),
    [iquote('para(5,7),demod([7])')] ).

cnf(33,plain,
    equal(join(A,join(meet(A,B),C)),join(A,C)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,8]),1]),
    [iquote('para(4,8),flip(1)')] ).

cnf(36,plain,
    equal(join(A,join(B,C)),join(B,join(A,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[6,8]),8]),
    [iquote('para(6,8),demod([8])')] ).

cnf(57,plain,
    equal(meet(join(A,B),join(C,meet(D,join(A,join(B,E))))),join(meet(join(A,B),join(C,meet(join(A,B),D))),meet(join(A,B),join(meet(join(A,B),C),meet(D,E))))),
    inference(para,[status(thm),theory(equality)],[8,9]),
    [iquote('para(8,9)')] ).

cnf(58,plain,
    equal(join(meet(join(A,B),join(C,meet(join(A,B),D))),meet(join(A,B),join(meet(join(A,B),C),meet(D,E)))),meet(join(A,B),join(C,meet(D,join(A,join(B,E)))))),
    inference(flip,[status(thm),theory(equality)],[57]),
    [iquote('flip(57)')] ).

cnf(117,plain,
    equal(meet(join(A,B),meet(C,A)),meet(A,C)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[22,5]),7]),1]),
    [iquote('para(22,5),demod([7]),flip(1)')] ).

cnf(118,plain,
    equal(meet(A,meet(B,join(A,C))),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[5,22]),
    [iquote('para(5,22)')] ).

cnf(131,plain,
    equal(join(A,meet(B,meet(C,A))),A),
    inference(para,[status(thm),theory(equality)],[7,15]),
    [iquote('para(7,15)')] ).

cnf(192,plain,
    equal(meet(A,join(B,join(C,A))),A),
    inference(para,[status(thm),theory(equality)],[8,16]),
    [iquote('para(8,16)')] ).

cnf(193,plain,
    equal(meet(A,meet(B,join(C,A))),meet(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,192]),7]),
    [iquote('para(4,192),demod([7])')] ).

cnf(209,plain,
    equal(join(A,join(meet(B,C),join(meet(A,join(B,meet(C,A))),meet(B,join(C,A))))),join(A,meet(B,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[12,15]),8]),
    [iquote('para(12,15),demod([8])')] ).

cnf(223,plain,
    equal(meet(join(A,B),meet(C,B)),meet(C,B)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[16,27]),1]),
    [iquote('para(16,27),flip(1)')] ).

cnf(232,plain,
    equal(join(meet(A,B),meet(A,meet(C,B))),meet(A,B)),
    inference(para,[status(thm),theory(equality)],[29,15]),
    [iquote('para(29,15)')] ).

cnf(263,plain,
    equal(join(A,join(B,join(C,A))),join(A,join(B,C))),
    inference(para,[status(thm),theory(equality)],[8,20]),
    [iquote('para(8,20)')] ).

cnf(296,plain,
    equal(meet(A,meet(B,meet(C,A))),meet(A,meet(B,C))),
    inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[4,193]),7,7]),
    [iquote('para(4,193),demod([7,7])')] ).

cnf(328,plain,
    equal(join(meet(A,meet(B,C)),meet(C,A)),meet(C,A)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[24,12]),7,25,16,24,7,296,7,118]),1]),
    [iquote('para(24,12),demod([7,25,16,24,7,296,7,118]),flip(1)')] ).

cnf(329,plain,
    equal(join(meet(A,B),meet(A,join(meet(B,C),meet(A,B)))),meet(A,B)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[24,12]),7,296,131,19,7,296,131,7,25]),1]),
    [iquote('para(24,12),demod([7,296,131,19,7,296,131,7,25]),flip(1)')] ).

cnf(331,plain,
    equal(join(meet(A,join(B,C)),meet(A,B)),meet(A,join(B,C))),
    inference(para,[status(thm),theory(equality)],[14,24]),
    [iquote('para(14,24)')] ).

cnf(600,plain,
    ~ equal(meet(a,meet(join(b,c),meet(join(b,d),join(meet(a,c),join(meet(a,join(b,meet(c,d))),meet(a,d)))))),meet(a,meet(join(b,c),join(b,d)))),
    inference(para,[status(thm),theory(equality)],[36,13]),
    [iquote('para(36,13)')] ).

cnf(604,plain,
    equal(join(meet(A,meet(B,C)),meet(A,C)),meet(A,C)),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[232,6]),1]),
    [iquote('para(232,6),flip(1)')] ).

cnf(605,plain,
    equal(join(A,join(B,join(meet(A,C),D))),join(A,join(B,D))),
    inference(para,[status(thm),theory(equality)],[36,33]),
    [iquote('para(36,33)')] ).

cnf(606,plain,
    equal(join(A,join(meet(B,C),meet(B,join(C,A)))),join(A,meet(B,C))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[209]),605]),
    [iquote('back_demod(209),demod([605])')] ).

cnf(661,plain,
    equal(join(meet(A,meet(B,C)),meet(B,A)),meet(B,A)),
    inference(para,[status(thm),theory(equality)],[5,328]),
    [iquote('para(5,328)')] ).

cnf(837,plain,
    equal(join(meet(A,B),meet(A,join(C,meet(A,B)))),meet(A,join(C,meet(A,B)))),
    inference(para,[status(thm),theory(equality)],[26,661]),
    [iquote('para(26,661)')] ).

cnf(838,plain,
    equal(meet(A,join(meet(B,C),meet(A,B))),meet(A,B)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[329]),837]),
    [iquote('back_demod(329),demod([837])')] ).

cnf(934,plain,
    equal(meet(A,join(B,meet(A,join(C,B)))),meet(A,join(C,B))),
    inference(para,[status(thm),theory(equality)],[26,838]),
    [iquote('para(26,838)')] ).

cnf(2881,plain,
    equal(meet(join(A,B),join(meet(C,D),meet(C,join(A,join(B,D))))),meet(join(A,B),C)),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[23,58]),838,24]),1]),
    [iquote('para(23,58),demod([838,24]),flip(1)')] ).

cnf(3187,plain,
    equal(join(meet(A,B),meet(A,join(B,C))),meet(A,join(B,C))),
    inference(flip,[status(thm),theory(equality)],[inference(para,[status(thm),theory(equality)],[331,6]),1]),
    [iquote('para(331,6),flip(1)')] ).

cnf(3188,plain,
    equal(join(A,meet(B,join(C,A))),join(A,meet(B,C))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[606]),3187]),
    [iquote('back_demod(606),demod([3187])')] ).

cnf(3191,plain,
    equal(meet(A,join(B,meet(A,C))),meet(A,join(C,B))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[934]),3188]),
    [iquote('back_demod(934),demod([3188])')] ).

cnf(3192,plain,
    equal(meet(A,join(B,C)),meet(A,join(C,meet(A,B)))),
    inference(flip,[status(thm),theory(equality)],[3191]),
    [iquote('flip(3191)')] ).

cnf(3193,plain,
    equal(meet(A,join(B,meet(A,C))),join(meet(A,C),meet(A,B))),
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[837]),3188]),1]),
    [iquote('back_demod(837),demod([3188]),flip(1)')] ).

cnf(3194,plain,
    equal(meet(A,join(B,C)),join(meet(A,B),meet(A,C))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[3192]),3193]),
    [iquote('back_demod(3192),demod([3193])')] ).

cnf(3314,plain,
    equal(join(meet(join(A,B),meet(C,D)),join(meet(A,C),meet(C,B))),meet(join(A,B),C)),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[2881]),3194,3194,263,3194,3194,117,223]),
    [iquote('back_demod(2881),demod([3194,3194,263,3194,3194,117,223])')] ).

cnf(4223,plain,
    ~ equal(join(meet(a,b),meet(a,meet(join(b,c),d))),join(meet(a,b),meet(a,meet(join(b,c),d)))),
    inference(demod,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[600]),3194,8,604,3194,3194,117,223,3314,296,3194,14,3194,3194,14,3194]),
    [iquote('back_demod(600),demod([3194,8,604,3194,3194,117,223,3314,296,3194,14,3194,3194,14,3194])')] ).

cnf(4224,plain,
    $false,
    inference(conflict,[status(thm)],[4223]),
    [iquote('xx_conflict(4223)')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LAT010-1 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.13  % Command  : tptp2X_and_run_eqp %s
% 0.12/0.33  % Computer : n003.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  : 600
% 0.12/0.33  % DateTime : Thu Jun 30 01:15:06 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.55/1.96  ----- EQP 0.9e, May 2009 -----
% 1.55/1.96  The job began on n003.cluster.edu, Thu Jun 30 01:15:07 2022
% 1.55/1.96  The command was "./eqp09e".
% 1.55/1.96  
% 1.55/1.96  set(prolog_style_variables).
% 1.55/1.96  set(lrpo).
% 1.55/1.96  set(basic_paramod).
% 1.55/1.96  set(functional_subsume).
% 1.55/1.96  set(ordered_paramod).
% 1.55/1.96  set(prime_paramod).
% 1.55/1.96  set(para_pairs).
% 1.55/1.96  assign(pick_given_ratio,4).
% 1.55/1.96  clear(print_kept).
% 1.55/1.96  clear(print_new_demod).
% 1.55/1.96  clear(print_back_demod).
% 1.55/1.96  clear(print_given).
% 1.55/1.96  assign(max_mem,64000).
% 1.55/1.96  end_of_commands.
% 1.55/1.96  
% 1.55/1.96  Usable:
% 1.55/1.96  end_of_list.
% 1.55/1.96  
% 1.55/1.96  Sos:
% 1.55/1.96  0 (wt=-1) [] meet(A,A) = A.
% 1.55/1.96  0 (wt=-1) [] join(A,A) = A.
% 1.55/1.96  0 (wt=-1) [] meet(A,join(A,B)) = A.
% 1.55/1.96  0 (wt=-1) [] join(A,meet(A,B)) = A.
% 1.55/1.96  0 (wt=-1) [] meet(A,B) = meet(B,A).
% 1.55/1.96  0 (wt=-1) [] join(A,B) = join(B,A).
% 1.55/1.96  0 (wt=-1) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 1.55/1.96  0 (wt=-1) [] join(join(A,B),C) = join(A,join(B,C)).
% 1.55/1.96  0 (wt=-1) [] meet(A,join(B,meet(C,join(A,D)))) = join(meet(A,join(B,meet(A,C))),meet(A,join(meet(A,B),meet(C,D)))).
% 1.55/1.96  0 (wt=-1) [] join(A,meet(B,join(C,meet(A,D)))) = meet(join(A,meet(B,join(A,C))),join(A,meet(join(A,B),join(C,D)))).
% 1.55/1.96  0 (wt=-1) [] meet(join(A,meet(B,C)),join(C,meet(A,B))) = join(meet(C,join(A,meet(B,C))),meet(A,join(B,C))).
% 1.55/1.96  0 (wt=-1) [] -(meet(a,meet(join(b,c),join(b,d))) = meet(meet(a,meet(join(b,c),join(b,d))),join(meet(a,join(b,meet(c,d))),join(meet(a,c),meet(a,d))))).
% 1.55/1.96  end_of_list.
% 1.55/1.96  
% 1.55/1.96  Demodulators:
% 1.55/1.96  end_of_list.
% 1.55/1.96  
% 1.55/1.96  Passive:
% 1.55/1.96  end_of_list.
% 1.55/1.96  
% 1.55/1.96  Starting to process input.
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 1 (wt=5) [] meet(A,A) = A.
% 1.55/1.96  1 is a new demodulator.
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 2 (wt=5) [] join(A,A) = A.
% 1.55/1.96  2 is a new demodulator.
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 3 (wt=7) [] meet(A,join(A,B)) = A.
% 1.55/1.96  3 is a new demodulator.
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 4 (wt=7) [] join(A,meet(A,B)) = A.
% 1.55/1.96  4 is a new demodulator.
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 5 (wt=7) [] meet(A,B) = meet(B,A).
% 1.55/1.96  clause forward subsumed: 0 (wt=7) [flip(5)] meet(B,A) = meet(A,B).
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 6 (wt=7) [] join(A,B) = join(B,A).
% 1.55/1.96  clause forward subsumed: 0 (wt=7) [flip(6)] join(B,A) = join(A,B).
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 1.55/1.96  7 is a new demodulator.
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 1.55/1.96  8 is a new demodulator.
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 9 (wt=27) [] meet(A,join(B,meet(C,join(A,D)))) = join(meet(A,join(B,meet(A,C))),meet(A,join(meet(A,B),meet(C,D)))).
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 10 (wt=27) [flip(9)] join(meet(A,join(B,meet(A,C))),meet(A,join(meet(A,B),meet(C,D)))) = meet(A,join(B,meet(C,join(A,D)))).
% 1.55/1.96  clause forward subsumed: 0 (wt=27) [flip(10)] meet(A,join(B,meet(C,join(A,D)))) = join(meet(A,join(B,meet(A,C))),meet(A,join(meet(A,B),meet(C,D)))).
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 11 (wt=27) [flip(1)] meet(join(A,meet(B,join(A,C))),join(A,meet(join(A,B),join(C,D)))) = join(A,meet(B,join(C,meet(A,D)))).
% 1.55/1.96  11 is a new demodulator.
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 12 (wt=25) [] meet(join(A,meet(B,C)),join(C,meet(A,B))) = join(meet(C,join(A,meet(B,C))),meet(A,join(B,C))).
% 1.55/1.96  12 is a new demodulator.
% 1.55/1.96  
% 1.55/1.96  ** KEPT: 13 (wt=35) [demod([7,7]),flip(1)] -(meet(a,meet(join(b,c),meet(join(b,d),join(meet(a,join(b,meet(c,d))),join(meet(a,c),meet(a,d)))))) = meet(a,meet(join(b,c),join(b,d)))).
% 1.55/1.96  ---------------- PROOF FOUND ----------------
% 1.55/1.96  % SZS status Unsatisfiable
% 1.55/1.96  
% 1.55/1.96  
% 1.55/1.96  After processing input:
% 1.55/1.96  
% 1.55/1.96  Usable:
% 1.55/1.96  end_of_list.
% 1.55/1.96  
% 1.55/1.96  Sos:
% 1.55/1.96  1 (wt=5) [] meet(A,A) = A.
% 1.55/1.96  2 (wt=5) [] join(A,A) = A.
% 1.55/1.96  3 (wt=7) [] meet(A,join(A,B)) = A.
% 1.55/1.96  4 (wt=7) [] join(A,meet(A,B)) = A.
% 1.55/1.96  5 (wt=7) [] meet(A,B) = meet(B,A).
% 1.55/1.96  6 (wt=7) [] join(A,B) = join(B,A).
% 1.55/1.96  7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 1.55/1.96  8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 1.55/1.96  12 (wt=25) [] meet(join(A,meet(B,C)),join(C,meet(A,B))) = join(meet(C,join(A,meet(B,C))),meet(A,join(B,C))).
% 1.55/1.96  9 (wt=27) [] meet(A,join(B,meet(C,join(A,D)))) = join(meet(A,join(B,meet(A,C))),meet(A,join(meet(A,B),meet(C,D)))).
% 1.55/1.96  10 (wt=27) [flip(9)] join(meet(A,join(B,meet(A,C))),meet(A,join(meet(A,B),meet(C,D)))) = meet(A,join(B,meet(C,join(A,D)))).
% 1.55/1.96  11 (wt=27) [flip(1)] meet(join(A,meet(B,join(A,C))),join(A,meet(join(A,B),join(C,D)))) = join(A,meet(B,join(C,meet(A,D)))).
% 1.55/1.96  13 (wt=35) [demod([7,7]),flip(1)] -(meet(a,meet(join(b,c),meet(join(b,d),join(meet(a,join(b,meet(c,d))),join(meet(a,c),meet(a,d)))))) = meet(a,meet(join(b,c),join(b,d)))).
% 1.55/1.96  end_of_list.
% 1.55/1.96  
% 1.55/1.96  Demodulators:
% 1.55/1.96  1 (wt=5) [] meet(A,A) = A.
% 1.55/1.96  2 (wt=5) [] join(A,A) = A.
% 1.55/1.96  3 (wt=7) [] meet(A,join(A,B)) = A.
% 1.55/1.96  4 (wt=7) [] join(A,meet(A,B)) = A.
% 1.55/1.96  7 (wt=11) [] meet(meet(A,B),C) = meet(A,meet(B,C)).
% 1.55/1.96  8 (wt=11) [] join(join(A,B),C) = join(A,join(B,C)).
% 1.55/1.96  11 (wt=27) [flip(1)] meet(join(A,meet(B,join(A,C))),join(A,meet(join(A,B),join(C,D)))) = join(A,meet(B,join(C,meet(A,D)))).
% 1.55/1.96  12 (wt=25) [] meet(join(A,meet(B,C)),join(C,meet(A,B))) = join(meet(C,join(A,meet(B,C))),meet(A,join(B,C))).
% 1.55/1.96  end_of_list.
% 1.55/1.96  
% 1.55/1.96  Passive:
% 1.55/1.96  end_of_list.
% 1.55/1.96  
% 1.55/1.96  UNIT CONFLICT from 4223 and x=x at   0.70 seconds.
% 1.55/1.96  
% 1.55/1.96  ---------------- PROOF ----------------
% 1.55/1.96  % SZS output start Refutation
% See solution above
% 1.55/1.96  ------------ end of proof -------------
% 1.55/1.96  
% 1.55/1.96  
% 1.55/1.96  ------------- memory usage ------------
% 1.55/1.96  Memory dynamically allocated (tp_alloc): 14160.
% 1.55/1.96    type (bytes each)        gets      frees     in use      avail      bytes
% 1.55/1.96  sym_ent (  96)               58          0         58          0      5.4 K
% 1.55/1.96  term (  16)             1250017    1059438     190579         40   3706.5 K
% 1.55/1.96  gen_ptr (   8)          1294039     244213    1049826         56   8202.2 K
% 1.55/1.96  context ( 808)           436908     436906          2          9      8.7 K
% 1.55/1.96  trail (  12)             256119     256119          0          8      0.1 K
% 1.55/1.96  bt_node (  68)            55422      55419          3         22      1.7 K
% 1.55/1.96  ac_position (285432)          0          0          0          0      0.0 K
% 1.55/1.96  ac_match_pos (14044)          0          0          0          0      0.0 K
% 1.55/1.96  ac_match_free_vars_pos (4020)
% 1.55/1.96                                0          0          0          0      0.0 K
% 1.55/1.96  discrim (  12)           130780      89616      41164      43351    990.4 K
% 1.55/1.96  flat (  40)             2832572    2832572          0        155      6.1 K
% 1.55/1.96  discrim_pos (  12)        68526      68526          0          1      0.0 K
% 1.55/1.96  fpa_head (  12)           13676          0      13676          0    160.3 K
% 1.55/1.96  fpa_tree (  28)           10227      10227          0         45      1.2 K
% 1.55/1.96  fpa_pos (  36)             5714       5714          0          1      0.0 K
% 1.55/1.96  literal (  12)            21228      17005       4223          1     49.5 K
% 1.55/1.96  clause (  24)             21228      17005       4223          1     99.0 K
% 1.55/1.96  list (  12)                1551       1491         60          5      0.8 K
% 1.55/1.96  list_pos (  20)           21950      12126       9824       4755    284.7 K
% 1.55/1.96  pair_index (   40)              2          0          2          0      0.1 K
% 1.55/1.96  
% 1.55/1.96  -------------- statistics -------------
% 1.55/1.96  Clauses input                 12
% 1.55/1.96    Usable input                   0
% 1.55/1.96    Sos input                     12
% 1.55/1.96    Demodulators input             0
% 1.55/1.96    Passive input                  0
% 1.55/1.96  
% 1.55/1.96  Processed BS (before search)  16
% 1.55/1.96  Forward subsumed BS            3
% 1.55/1.96  Kept BS                       13
% 1.55/1.96  New demodulators BS            8
% 1.55/1.96  Back demodulated BS            0
% 1.55/1.96  
% 1.55/1.96  Clauses or pairs given      6416
% 1.55/1.96  Clauses generated          12460
% 1.55/1.96  Forward subsumed            8250
% 1.55/1.96  Deleted by weight              0
% 1.55/1.96  Deleted by variable count      0
% 1.55/1.96  Kept                        4210
% 1.55/1.96  New demodulators            1484
% 1.55/1.96  Back demodulated            2837
% 1.55/1.96  Ordered paramod prunes         0
% 1.55/1.96  Basic paramod prunes       13088
% 1.55/1.96  Prime paramod prunes         361
% 1.55/1.96  Semantic prunes                0
% 1.55/1.96  
% 1.55/1.96  Rewrite attmepts          350849
% 1.55/1.96  Rewrites                   65226
% 1.55/1.96  
% 1.55/1.96  FPA overloads                  0
% 1.55/1.96  FPA underloads                 0
% 1.55/1.96  
% 1.55/1.96  Usable size                    0
% 1.55/1.96  Sos size                    1385
% 1.55/1.96  Demodulators size            779
% 1.55/1.96  Passive size                   0
% 1.55/1.96  Disabled size               2837
% 1.55/1.96  
% 1.55/1.96  Proofs found                   1
% 1.55/1.96  
% 1.55/1.96  ----------- times (seconds) ----------- Thu Jun 30 01:15:08 2022
% 1.55/1.96  
% 1.55/1.96  user CPU time             0.70   (0 hr, 0 min, 0 sec)
% 1.55/1.96  system CPU time           0.20   (0 hr, 0 min, 0 sec)
% 1.55/1.96  wall-clock time           1      (0 hr, 0 min, 1 sec)
% 1.55/1.96  input time                0.00
% 1.55/1.96  paramodulation time       0.04
% 1.55/1.96  demodulation time         0.16
% 1.55/1.96  orient time               0.04
% 1.55/1.96  weigh time                0.01
% 1.55/1.96  forward subsume time      0.02
% 1.55/1.96  back demod find time      0.05
% 1.55/1.96  conflict time             0.00
% 1.55/1.96  LRPO time                 0.02
% 1.55/1.96  store clause time         0.21
% 1.55/1.96  disable clause time       0.11
% 1.55/1.96  prime paramod time        0.02
% 1.55/1.96  semantics time            0.00
% 1.55/1.96  
% 1.55/1.96  EQP interrupted
%------------------------------------------------------------------------------