TSTP Solution File: LCL011-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL011-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n008.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 14:34:02 EDT 2022

% Result   : Unsatisfiable 6.63s 6.85s
% Output   : Refutation 6.63s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   40 (  25 unt;   0 nHn;  40 RR)
%            Number of literals    :   58 (   0 equ;  19 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :   10 (  10 usr;   9 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(equivalent(u,v))
    | is_a_theorem(v) ),
    file('LCL011-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(equivalent(equivalent(u,v),equivalent(equivalent(w,u),equivalent(v,w)))),
    file('LCL011-1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ is_a_theorem(equivalent(equivalent(a,b),equivalent(equivalent(a,c),equivalent(c,b)))),
    file('LCL011-1.p',unknown),
    [] ).

cnf(7,plain,
    ( ~ is_a_theorem(equivalent(u,v))
    | is_a_theorem(equivalent(equivalent(w,u),equivalent(v,w))) ),
    inference(res,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Res:2.0,1.1')] ).

cnf(8,plain,
    is_a_theorem(equivalent(equivalent(u,equivalent(v,w)),equivalent(equivalent(equivalent(x,v),equivalent(w,x)),u))),
    inference(sor,[status(thm)],[7,2]),
    [iquote('0:SoR:7.0,2.0')] ).

cnf(10,plain,
    ( ~ is_a_theorem(equivalent(u,equivalent(v,w)))
    | is_a_theorem(equivalent(equivalent(equivalent(x,v),equivalent(w,x)),u)) ),
    inference(res,[status(thm),theory(equality)],[8,1]),
    [iquote('0:Res:8.0,1.1')] ).

cnf(11,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,equivalent(equivalent(v,w),equivalent(x,v))),equivalent(y,u)),equivalent(y,equivalent(w,x)))),
    inference(sor,[status(thm)],[10,8]),
    [iquote('0:SoR:10.0,8.0')] ).

cnf(12,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,equivalent(v,w)),equivalent(equivalent(x,v),u)),equivalent(w,x))),
    inference(sor,[status(thm)],[10,2]),
    [iquote('0:SoR:10.0,2.0')] ).

cnf(13,plain,
    is_a_theorem(equivalent(equivalent(u,equivalent(equivalent(v,equivalent(w,x)),equivalent(equivalent(y,w),v))),equivalent(equivalent(x,y),u))),
    inference(sor,[status(thm)],[7,12]),
    [iquote('0:SoR:7.0,12.0')] ).

cnf(15,plain,
    ( ~ is_a_theorem(equivalent(equivalent(u,equivalent(v,w)),equivalent(equivalent(x,v),u)))
    | is_a_theorem(equivalent(w,x)) ),
    inference(res,[status(thm),theory(equality)],[12,1]),
    [iquote('0:Res:12.0,1.1')] ).

cnf(16,plain,
    is_a_theorem(equivalent(u,equivalent(v,equivalent(u,v)))),
    inference(sor,[status(thm)],[15,8]),
    [iquote('0:SoR:15.0,8.0')] ).

cnf(17,plain,
    is_a_theorem(equivalent(equivalent(u,v),equivalent(equivalent(w,equivalent(v,w)),u))),
    inference(sor,[status(thm)],[7,16]),
    [iquote('0:SoR:7.0,16.0')] ).

cnf(18,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,v),equivalent(equivalent(w,v),u)),w)),
    inference(sor,[status(thm)],[10,16]),
    [iquote('0:SoR:10.0,16.0')] ).

cnf(19,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(equivalent(v,equivalent(u,v))) ),
    inference(res,[status(thm),theory(equality)],[16,1]),
    [iquote('0:Res:16.0,1.1')] ).

cnf(26,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(v)
    | is_a_theorem(equivalent(u,v)) ),
    inference(res,[status(thm),theory(equality)],[19,1]),
    [iquote('0:Res:19.1,1.1')] ).

cnf(34,plain,
    ( ~ is_a_theorem(equivalent(u,v))
    | is_a_theorem(equivalent(equivalent(w,equivalent(v,w)),u)) ),
    inference(res,[status(thm),theory(equality)],[17,1]),
    [iquote('0:Res:17.0,1.1')] ).

cnf(37,plain,
    ( ~ is_a_theorem(equivalent(equivalent(u,v),equivalent(equivalent(w,v),u)))
    | is_a_theorem(w) ),
    inference(res,[status(thm),theory(equality)],[18,1]),
    [iquote('0:Res:18.0,1.1')] ).

cnf(38,plain,
    is_a_theorem(equivalent(equivalent(u,equivalent(equivalent(v,equivalent(equivalent(w,x),equivalent(y,w))),equivalent(z,v))),equivalent(equivalent(z,equivalent(x,y)),u))),
    inference(sor,[status(thm)],[7,11]),
    [iquote('0:SoR:7.0,11.0')] ).

cnf(39,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,v),equivalent(equivalent(w,x),u)),equivalent(equivalent(y,equivalent(equivalent(z,w),equivalent(x,z))),equivalent(v,y)))),
    inference(sor,[status(thm)],[10,11]),
    [iquote('0:SoR:10.0,11.0')] ).

cnf(82,plain,
    is_a_theorem(equivalent(u,u)),
    inference(sor,[status(thm)],[37,8]),
    [iquote('0:SoR:37.0,8.0')] ).

cnf(84,plain,
    is_a_theorem(equivalent(equivalent(u,equivalent(v,u)),v)),
    inference(sor,[status(thm)],[34,82]),
    [iquote('0:SoR:34.0,82.0')] ).

cnf(85,plain,
    is_a_theorem(equivalent(equivalent(u,v),equivalent(v,u))),
    inference(sor,[status(thm)],[7,82]),
    [iquote('0:SoR:7.0,82.0')] ).

cnf(91,plain,
    is_a_theorem(equivalent(equivalent(u,equivalent(v,equivalent(w,v))),equivalent(w,u))),
    inference(sor,[status(thm)],[7,84]),
    [iquote('0:SoR:7.0,84.0')] ).

cnf(94,plain,
    ( ~ is_a_theorem(equivalent(u,equivalent(v,u)))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[84,1]),
    [iquote('0:Res:84.0,1.1')] ).

cnf(105,plain,
    ( ~ is_a_theorem(equivalent(u,v))
    | is_a_theorem(equivalent(v,u)) ),
    inference(res,[status(thm),theory(equality)],[85,1]),
    [iquote('0:Res:85.0,1.1')] ).

cnf(108,plain,
    ( ~ is_a_theorem(equivalent(u,v))
    | ~ is_a_theorem(v)
    | is_a_theorem(u) ),
    inference(sor,[status(thm)],[94,26]),
    [iquote('0:SoR:94.0,26.2')] ).

cnf(211,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,v),v),u)),
    inference(sor,[status(thm)],[15,91]),
    [iquote('0:SoR:15.0,91.0')] ).

cnf(217,plain,
    is_a_theorem(equivalent(u,equivalent(equivalent(u,v),v))),
    inference(sor,[status(thm)],[105,211]),
    [iquote('0:SoR:105.0,211.0')] ).

cnf(228,plain,
    is_a_theorem(equivalent(u,equivalent(v,equivalent(v,u)))),
    inference(sor,[status(thm)],[15,217]),
    [iquote('0:SoR:15.0,217.0')] ).

cnf(235,plain,
    ( ~ is_a_theorem(equivalent(u,equivalent(u,v)))
    | is_a_theorem(v) ),
    inference(sor,[status(thm)],[108,228]),
    [iquote('0:SoR:108.0,228.0')] ).

cnf(297,plain,
    ( ~ is_a_theorem(equivalent(u,equivalent(equivalent(v,equivalent(w,x)),equivalent(equivalent(y,w),v))))
    | is_a_theorem(equivalent(equivalent(x,y),u)) ),
    inference(res,[status(thm),theory(equality)],[13,1]),
    [iquote('0:Res:13.0,1.1')] ).

cnf(413,plain,
    is_a_theorem(equivalent(u,equivalent(equivalent(v,v),u))),
    inference(sor,[status(thm)],[235,39]),
    [iquote('0:SoR:235.0,39.0')] ).

cnf(418,plain,
    ( ~ is_a_theorem(equivalent(equivalent(u,u),v))
    | is_a_theorem(v) ),
    inference(sor,[status(thm)],[108,413]),
    [iquote('0:SoR:108.0,413.0')] ).

cnf(476,plain,
    is_a_theorem(equivalent(u,equivalent(u,equivalent(v,v)))),
    inference(sor,[status(thm)],[418,228]),
    [iquote('0:SoR:418.0,228.0')] ).

cnf(496,plain,
    ( ~ is_a_theorem(equivalent(u,equivalent(equivalent(v,equivalent(equivalent(w,x),equivalent(y,w))),equivalent(z,v))))
    | is_a_theorem(equivalent(equivalent(z,equivalent(x,y)),u)) ),
    inference(res,[status(thm),theory(equality)],[38,1]),
    [iquote('0:Res:38.0,1.1')] ).

cnf(512,plain,
    is_a_theorem(equivalent(equivalent(u,v),equivalent(equivalent(v,equivalent(w,w)),u))),
    inference(sor,[status(thm)],[7,476]),
    [iquote('0:SoR:7.0,476.0')] ).

cnf(2751,plain,
    is_a_theorem(equivalent(equivalent(u,v),equivalent(equivalent(equivalent(v,u),w),w))),
    inference(sor,[status(thm)],[297,512]),
    [iquote('0:SoR:297.0,512.0')] ).

cnf(3971,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,v),equivalent(v,w)),equivalent(u,w))),
    inference(sor,[status(thm)],[496,2751]),
    [iquote('0:SoR:496.0,2751.0')] ).

cnf(5777,plain,
    is_a_theorem(equivalent(equivalent(u,v),equivalent(equivalent(u,w),equivalent(w,v)))),
    inference(sor,[status(thm)],[105,3971]),
    [iquote('0:SoR:105.0,3971.0')] ).

cnf(5797,plain,
    $false,
    inference(unc,[status(thm)],[5777,3]),
    [iquote('0:UnC:5777.0,3.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : LCL011-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n008.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jul  3 22:13:23 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 6.63/6.85  
% 6.63/6.85  SPASS V 3.9 
% 6.63/6.85  SPASS beiseite: Proof found.
% 6.63/6.85  % SZS status Theorem
% 6.63/6.85  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 6.63/6.85  SPASS derived 5788 clauses, backtracked 0 clauses, performed 0 splits and kept 3450 clauses.
% 6.63/6.85  SPASS allocated 86477 KBytes.
% 6.63/6.85  SPASS spent	0:00:06.40 on the problem.
% 6.63/6.85  		0:00:00.04 for the input.
% 6.63/6.85  		0:00:00.00 for the FLOTTER CNF translation.
% 6.63/6.85  		0:00:00.19 for inferences.
% 6.63/6.85  		0:00:00.00 for the backtracking.
% 6.63/6.85  		0:00:06.12 for the reduction.
% 6.63/6.85  
% 6.63/6.85  
% 6.63/6.85  Here is a proof with depth 22, length 40 :
% 6.63/6.85  % SZS output start Refutation
% See solution above
% 6.63/6.85  Formulae used in the proof : condensed_detachment yqj prove_yqf
% 6.63/6.85  
%------------------------------------------------------------------------------