TSTP Solution File: LCL041-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL041-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n013.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 14:34:12 EDT 2022

% Result   : Unsatisfiable 0.45s 0.65s
% Output   : Refutation 0.45s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   20 (  13 unt;   0 nHn;  20 RR)
%            Number of literals    :   29 (   0 equ;  10 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    :    7 (   7 usr;   5 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('LCL041-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(u),v))),
    file('LCL041-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(v,u))),
    file('LCL041-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(v,implies__dfg(u,w)))),
    file('LCL041-1.p',unknown),
    [] ).

cnf(6,axiom,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(not__dfg(u),v),v))),
    file('LCL041-1.p',unknown),
    [] ).

cnf(7,axiom,
    ~ is_a_theorem(implies__dfg(implies__dfg(a,implies__dfg(a,b)),implies__dfg(a,b))),
    file('LCL041-1.p',unknown),
    [] ).

cnf(21,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),v)) ),
    inference(res,[status(thm),theory(equality)],[6,1]),
    [iquote('0:Res:6.0,1.1')] ).

cnf(26,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),implies__dfg(v,u)),implies__dfg(v,u))),
    inference(sor,[status(thm)],[21,3]),
    [iquote('0:SoR:21.0,3.0')] ).

cnf(30,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(v,u)))
    | is_a_theorem(implies__dfg(v,u)) ),
    inference(res,[status(thm),theory(equality)],[26,1]),
    [iquote('0:Res:26.0,1.1')] ).

cnf(36,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,w)))
    | is_a_theorem(implies__dfg(v,implies__dfg(u,w))) ),
    inference(res,[status(thm),theory(equality)],[4,1]),
    [iquote('0:Res:4.0,1.1')] ).

cnf(65,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),implies__dfg(implies__dfg(u,v),v))),
    inference(sor,[status(thm)],[36,6]),
    [iquote('0:SoR:36.0,6.0')] ).

cnf(69,plain,
    is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(u,v))),
    inference(sor,[status(thm)],[36,2]),
    [iquote('0:SoR:36.0,2.0')] ).

cnf(70,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[36,3]),
    [iquote('0:SoR:36.0,3.0')] ).

cnf(72,plain,
    is_a_theorem(implies__dfg(u,u)),
    inference(sor,[status(thm)],[30,70]),
    [iquote('0:SoR:30.0,70.0')] ).

cnf(77,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(u,v),v))),
    inference(sor,[status(thm)],[36,72]),
    [iquote('0:SoR:36.0,72.0')] ).

cnf(116,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(res,[status(thm),theory(equality)],[77,1]),
    [iquote('0:Res:77.0,1.1')] ).

cnf(120,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[116,1]),
    [iquote('0:Res:116.1,1.1')] ).

cnf(188,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),v))
    | is_a_theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(sor,[status(thm)],[120,65]),
    [iquote('0:SoR:120.1,65.0')] ).

cnf(1413,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(u,v)),implies__dfg(u,v))),
    inference(sor,[status(thm)],[188,69]),
    [iquote('0:SoR:188.0,69.0')] ).

cnf(1434,plain,
    $false,
    inference(unc,[status(thm)],[1413,7]),
    [iquote('0:UnC:1413.0,7.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL041-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n013.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 : Sat Jul  2 18:56:14 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.45/0.65  
% 0.45/0.65  SPASS V 3.9 
% 0.45/0.65  SPASS beiseite: Proof found.
% 0.45/0.65  % SZS status Theorem
% 0.45/0.65  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.45/0.65  SPASS derived 1388 clauses, backtracked 0 clauses, performed 0 splits and kept 593 clauses.
% 0.45/0.65  SPASS allocated 77476 KBytes.
% 0.45/0.65  SPASS spent	0:00:00.28 on the problem.
% 0.45/0.65  		0:00:00.03 for the input.
% 0.45/0.65  		0:00:00.00 for the FLOTTER CNF translation.
% 0.45/0.65  		0:00:00.04 for inferences.
% 0.45/0.65  		0:00:00.00 for the backtracking.
% 0.45/0.65  		0:00:00.18 for the reduction.
% 0.45/0.65  
% 0.45/0.65  
% 0.45/0.65  Here is a proof with depth 9, length 20 :
% 0.45/0.65  % SZS output start Refutation
% See solution above
% 0.45/0.65  Formulae used in the proof : condensed_detachment cn_3 cn_18 cn_21 cn_54 prove_cn_30
% 0.45/0.65  
%------------------------------------------------------------------------------