TSTP Solution File: LCL067-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL067-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n021.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 14:34:22 EDT 2022

% Result   : Unsatisfiable 156.04s 156.22s
% Output   : Refutation 156.04s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   26 (  18 unt;   0 nHn;  26 RR)
%            Number of literals    :   35 (   0 equ;  10 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :   10 (  10 usr;   8 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('LCL067-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,w))),
    file('LCL067-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(not__dfg(u),w))),
    file('LCL067-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),implies__dfg(implies__dfg(w,v),implies__dfg(implies__dfg(u,w),v)))),
    file('LCL067-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ is_a_theorem(implies__dfg(implies__dfg(a,b),implies__dfg(implies__dfg(b,c),implies__dfg(a,c)))),
    file('LCL067-1.p',unknown),
    [] ).

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

cnf(12,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,v),w))
    | is_a_theorem(implies__dfg(not__dfg(u),w)) ),
    inference(res,[status(thm),theory(equality)],[3,1]),
    [iquote('0:Res:3.0,1.1')] ).

cnf(14,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,u))),
    inference(sor,[status(thm)],[11,2]),
    [iquote('0:SoR:11.0,2.0')] ).

cnf(15,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,u)))),
    inference(sor,[status(thm)],[11,14]),
    [iquote('0:SoR:11.0,14.0')] ).

cnf(24,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),v))
    | is_a_theorem(implies__dfg(implies__dfg(w,v),implies__dfg(implies__dfg(u,w),v))) ),
    inference(res,[status(thm),theory(equality)],[4,1]),
    [iquote('0:Res:4.0,1.1')] ).

cnf(37,plain,
    is_a_theorem(implies__dfg(not__dfg(implies__dfg(u,v)),implies__dfg(v,w))),
    inference(sor,[status(thm)],[12,2]),
    [iquote('0:SoR:12.0,2.0')] ).

cnf(40,plain,
    is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(v,implies__dfg(u,w)))),
    inference(sor,[status(thm)],[12,14]),
    [iquote('0:SoR:12.0,14.0')] ).

cnf(45,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,implies__dfg(w,x))),implies__dfg(implies__dfg(w,u),implies__dfg(v,implies__dfg(w,x))))),
    inference(sor,[status(thm)],[24,40]),
    [iquote('0:SoR:24.0,40.0')] ).

cnf(46,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(implies__dfg(implies__dfg(x,v),u),implies__dfg(v,w)))),
    inference(sor,[status(thm)],[24,37]),
    [iquote('0:SoR:24.0,37.0')] ).

cnf(89,plain,
    is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(implies__dfg(implies__dfg(v,w),u),implies__dfg(w,x)))),
    inference(sor,[status(thm)],[12,46]),
    [iquote('0:SoR:12.0,46.0')] ).

cnf(91,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,w)))
    | is_a_theorem(implies__dfg(implies__dfg(implies__dfg(x,v),u),implies__dfg(v,w))) ),
    inference(res,[status(thm),theory(equality)],[46,1]),
    [iquote('0:Res:46.0,1.1')] ).

cnf(95,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(implies__dfg(implies__dfg(v,w),x),implies__dfg(w,y))),implies__dfg(implies__dfg(x,u),implies__dfg(implies__dfg(implies__dfg(v,w),x),implies__dfg(w,y))))),
    inference(sor,[status(thm)],[24,89]),
    [iquote('0:SoR:24.0,89.0')] ).

cnf(145,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,implies__dfg(x,w)))),
    inference(sor,[status(thm)],[91,15]),
    [iquote('0:SoR:91.0,15.0')] ).

cnf(184,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,x))))
    | is_a_theorem(implies__dfg(implies__dfg(w,u),implies__dfg(v,implies__dfg(w,x)))) ),
    inference(res,[status(thm),theory(equality)],[45,1]),
    [iquote('0:Res:45.0,1.1')] ).

cnf(1254,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(implies__dfg(v,w),x)),implies__dfg(w,implies__dfg(u,x)))),
    inference(sor,[status(thm)],[184,145]),
    [iquote('0:SoR:184.0,145.0')] ).

cnf(2379,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(implies__dfg(v,w),x),implies__dfg(w,y))))
    | is_a_theorem(implies__dfg(implies__dfg(x,u),implies__dfg(implies__dfg(implies__dfg(v,w),x),implies__dfg(w,y)))) ),
    inference(res,[status(thm),theory(equality)],[95,1]),
    [iquote('0:Res:95.0,1.1')] ).

cnf(3734,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(v,w),x)))
    | is_a_theorem(implies__dfg(w,implies__dfg(u,x))) ),
    inference(res,[status(thm),theory(equality)],[1254,1]),
    [iquote('0:Res:1254.0,1.1')] ).

cnf(38039,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(implies__dfg(w,x),u),implies__dfg(x,v)))),
    inference(sor,[status(thm)],[2379,15]),
    [iquote('0:SoR:2379.0,15.0')] ).

cnf(66400,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(u,v),implies__dfg(w,v)))),
    inference(sor,[status(thm)],[3734,38039]),
    [iquote('0:SoR:3734.0,38039.0')] ).

cnf(69154,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(v,w),implies__dfg(u,w)))),
    inference(sor,[status(thm)],[184,66400]),
    [iquote('0:SoR:184.0,66400.0')] ).

cnf(69178,plain,
    $false,
    inference(unc,[status(thm)],[69154,5]),
    [iquote('0:UnC:69154.0,5.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : LCL067-1 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.13  % Command  : run_spass %d %s
% 0.14/0.34  % Computer : n021.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Sat Jul  2 21:27:15 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 156.04/156.22  
% 156.04/156.22  SPASS V 3.9 
% 156.04/156.22  SPASS beiseite: Proof found.
% 156.04/156.22  % SZS status Theorem
% 156.04/156.22  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 156.04/156.22  SPASS derived 69000 clauses, backtracked 0 clauses, performed 0 splits and kept 32189 clauses.
% 156.04/156.22  SPASS allocated 168457 KBytes.
% 156.04/156.22  SPASS spent	0:2:34.01 on the problem.
% 156.04/156.22  		0:00:00.04 for the input.
% 156.04/156.22  		0:00:00.00 for the FLOTTER CNF translation.
% 156.04/156.22  		0:00:01.45 for inferences.
% 156.04/156.22  		0:00:00.00 for the backtracking.
% 156.04/156.22  		0:2:31.72 for the reduction.
% 156.04/156.22  
% 156.04/156.22  
% 156.04/156.22  Here is a proof with depth 9, length 26 :
% 156.04/156.22  % SZS output start Refutation
% See solution above
% 156.04/156.22  Formulae used in the proof : condensed_detachment cn_19 cn_37 cn_59 prove_cn_1
% 156.04/156.22  
%------------------------------------------------------------------------------