TSTP Solution File: LCL065-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL065-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n009.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 14:34:21 EDT 2022

% Result   : Unsatisfiable 0.45s 0.67s
% Output   : Refutation 0.45s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   27 (  17 unt;   0 nHn;  27 RR)
%            Number of literals    :   38 (   0 equ;  12 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(v) ),
    file('LCL065-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(v,u))),
    file('LCL065-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(implies__dfg(u,v),implies__dfg(u,w)))),
    file('LCL065-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),not__dfg(v)),implies__dfg(v,u))),
    file('LCL065-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ is_a_theorem(implies__dfg(implies__dfg(not__dfg(a),a),a)),
    file('LCL065-1.p',unknown),
    [] ).

cnf(11,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(v,u)) ),
    inference(res,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Res:2.0,1.1')] ).

cnf(13,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,w)))
    | is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(u,w))) ),
    inference(res,[status(thm),theory(equality)],[3,1]),
    [iquote('0:Res:3.0,1.1')] ).

cnf(17,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(implies__dfg(w,u),implies__dfg(w,v))) ),
    inference(sor,[status(thm)],[13,11]),
    [iquote('0:SoR:13.0,11.1')] ).

cnf(18,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(u,v)),implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(u,w)))),
    inference(sor,[status(thm)],[13,3]),
    [iquote('0:SoR:13.0,3.0')] ).

cnf(20,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(u,u))),
    inference(sor,[status(thm)],[13,2]),
    [iquote('0:SoR:13.0,2.0')] ).

cnf(22,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(u,u)) ),
    inference(res,[status(thm),theory(equality)],[20,1]),
    [iquote('0:Res:20.0,1.1')] ).

cnf(27,plain,
    is_a_theorem(implies__dfg(u,u)),
    inference(sor,[status(thm)],[22,2]),
    [iquote('0:SoR:22.0,2.0')] ).

cnf(37,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),not__dfg(w))),implies__dfg(u,implies__dfg(w,v)))),
    inference(sor,[status(thm)],[17,4]),
    [iquote('0:SoR:17.0,4.0')] ).

cnf(39,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(u,implies__dfg(w,v)))),
    inference(sor,[status(thm)],[17,2]),
    [iquote('0:SoR:17.0,2.0')] ).

cnf(42,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(u,implies__dfg(w,v))) ),
    inference(res,[status(thm),theory(equality)],[39,1]),
    [iquote('0:Res:39.0,1.1')] ).

cnf(50,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(w,implies__dfg(u,u)))),
    inference(sor,[status(thm)],[42,20]),
    [iquote('0:SoR:42.0,20.0')] ).

cnf(71,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(w,implies__dfg(u,u))) ),
    inference(res,[status(thm),theory(equality)],[50,1]),
    [iquote('0:Res:50.0,1.1')] ).

cnf(83,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(u,v)))
    | is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(u,w))) ),
    inference(res,[status(thm),theory(equality)],[18,1]),
    [iquote('0:Res:18.0,1.1')] ).

cnf(101,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[71,27]),
    [iquote('0:SoR:71.0,27.0')] ).

cnf(116,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(v),not__dfg(w))))
    | is_a_theorem(implies__dfg(u,implies__dfg(w,v))) ),
    inference(res,[status(thm),theory(equality)],[37,1]),
    [iquote('0:Res:37.0,1.1')] ).

cnf(199,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(u,v)),implies__dfg(u,v))),
    inference(sor,[status(thm)],[83,101]),
    [iquote('0:SoR:83.0,101.0')] ).

cnf(207,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(u,v)))
    | is_a_theorem(implies__dfg(u,v)) ),
    inference(res,[status(thm),theory(equality)],[199,1]),
    [iquote('0:Res:199.0,1.1')] ).

cnf(447,plain,
    is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(u,v))),
    inference(sor,[status(thm)],[116,2]),
    [iquote('0:SoR:116.0,2.0')] ).

cnf(448,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),implies__dfg(not__dfg(u),v))),
    inference(sor,[status(thm)],[13,447]),
    [iquote('0:SoR:13.0,447.0')] ).

cnf(1007,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),implies__dfg(v,u))),
    inference(sor,[status(thm)],[116,448]),
    [iquote('0:SoR:116.0,448.0')] ).

cnf(1074,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),u)),
    inference(sor,[status(thm)],[207,1007]),
    [iquote('0:SoR:207.0,1007.0')] ).

cnf(1083,plain,
    $false,
    inference(unc,[status(thm)],[1074,5]),
    [iquote('0:UnC:1074.0,5.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : LCL065-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.12  % Command  : run_spass %d %s
% 0.12/0.32  % Computer : n009.cluster.edu
% 0.12/0.32  % Model    : x86_64 x86_64
% 0.12/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32  % Memory   : 8042.1875MB
% 0.12/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.32  % CPULimit : 300
% 0.12/0.32  % WCLimit  : 600
% 0.12/0.32  % DateTime : Mon Jul  4 00:12:37 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.45/0.67  
% 0.45/0.67  SPASS V 3.9 
% 0.45/0.67  SPASS beiseite: Proof found.
% 0.45/0.67  % SZS status Theorem
% 0.45/0.67  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.45/0.67  SPASS derived 1065 clauses, backtracked 0 clauses, performed 0 splits and kept 604 clauses.
% 0.45/0.67  SPASS allocated 77525 KBytes.
% 0.45/0.67  SPASS spent	0:00:00.32 on the problem.
% 0.45/0.67  		0:00:00.04 for the input.
% 0.45/0.67  		0:00:00.00 for the FLOTTER CNF translation.
% 0.45/0.67  		0:00:00.03 for inferences.
% 0.45/0.67  		0:00:00.00 for the backtracking.
% 0.45/0.67  		0:00:00.22 for the reduction.
% 0.45/0.67  
% 0.45/0.67  
% 0.45/0.67  Here is a proof with depth 10, length 27 :
% 0.45/0.67  % SZS output start Refutation
% See solution above
% 0.45/0.67  Formulae used in the proof : condensed_detachment cn_18 cn_35 cn_49 prove_cn_2
% 0.45/0.67  
%------------------------------------------------------------------------------