TSTP Solution File: SYN554-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SYN554-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n022.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 : Thu Jul 21 12:22:50 EDT 2022

% Result   : Unsatisfiable 0.19s 0.45s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   21 (   9 unt;   2 nHn;  21 RR)
%            Number of literals    :   41 (   0 equ;  21 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    p2(u,u),
    file('SYN554-1.p',unknown),
    [] ).

cnf(2,axiom,
    ~ p4(u,u),
    file('SYN554-1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ p2(c6,c7),
    file('SYN554-1.p',unknown),
    [] ).

cnf(4,axiom,
    p2(f3(c5,c6),f3(c5,c7)),
    file('SYN554-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( p4(u,v)
    | p4(v,u)
    | p2(v,u) ),
    file('SYN554-1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ p2(u,v)
    | ~ p2(u,w)
    | p2(v,w) ),
    file('SYN554-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ p4(u,v)
    | p4(f3(c5,u),f3(c5,v)) ),
    file('SYN554-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ p2(u,v)
    | ~ p4(u,w)
    | ~ p2(w,x)
    | p4(v,x) ),
    file('SYN554-1.p',unknown),
    [] ).

cnf(13,plain,
    ( ~ p2(f3(c5,c6),u)
    | p2(f3(c5,c7),u) ),
    inference(res,[status(thm),theory(equality)],[4,6]),
    [iquote('0:Res:4.0,6.0')] ).

cnf(14,plain,
    p2(f3(c5,c7),f3(c5,c6)),
    inference(res,[status(thm),theory(equality)],[1,13]),
    [iquote('0:Res:1.0,13.0')] ).

cnf(28,plain,
    ( ~ p4(f3(c5,c6),u)
    | ~ p2(u,v)
    | p4(f3(c5,c7),v) ),
    inference(res,[status(thm),theory(equality)],[4,8]),
    [iquote('0:Res:4.0,8.0')] ).

cnf(29,plain,
    ( ~ p4(f3(c5,c7),u)
    | ~ p2(u,v)
    | p4(f3(c5,c6),v) ),
    inference(res,[status(thm),theory(equality)],[14,8]),
    [iquote('0:Res:14.0,8.0')] ).

cnf(56,plain,
    ( ~ p4(c6,u)
    | ~ p2(f3(c5,u),v)
    | p4(f3(c5,c7),v) ),
    inference(res,[status(thm),theory(equality)],[7,28]),
    [iquote('0:Res:7.1,28.0')] ).

cnf(70,plain,
    ( ~ p4(c7,u)
    | ~ p2(f3(c5,u),v)
    | p4(f3(c5,c6),v) ),
    inference(res,[status(thm),theory(equality)],[7,29]),
    [iquote('0:Res:7.1,29.0')] ).

cnf(73,plain,
    ( ~ p4(c6,u)
    | p4(f3(c5,c7),f3(c5,u)) ),
    inference(res,[status(thm),theory(equality)],[1,56]),
    [iquote('0:Res:1.0,56.1')] ).

cnf(87,plain,
    ~ p4(c6,c7),
    inference(res,[status(thm),theory(equality)],[73,2]),
    [iquote('0:Res:73.1,2.0')] ).

cnf(91,plain,
    ( p4(c7,c6)
    | p2(c6,c7) ),
    inference(res,[status(thm),theory(equality)],[5,87]),
    [iquote('0:Res:5.1,87.0')] ).

cnf(92,plain,
    p4(c7,c6),
    inference(mrr,[status(thm)],[91,3]),
    [iquote('0:MRR:91.1,3.0')] ).

cnf(109,plain,
    ( ~ p4(c7,u)
    | p4(f3(c5,c6),f3(c5,u)) ),
    inference(res,[status(thm),theory(equality)],[1,70]),
    [iquote('0:Res:1.0,70.1')] ).

cnf(171,plain,
    ~ p4(c7,c6),
    inference(res,[status(thm),theory(equality)],[109,2]),
    [iquote('0:Res:109.1,2.0')] ).

cnf(175,plain,
    $false,
    inference(mrr,[status(thm)],[171,92]),
    [iquote('0:MRR:171.0,92.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SYN554-1 : TPTP v8.1.0. Released v2.5.0.
% 0.12/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n022.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 : Mon Jul 11 20:33:10 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.45  
% 0.19/0.45  SPASS V 3.9 
% 0.19/0.45  SPASS beiseite: Proof found.
% 0.19/0.45  % SZS status Theorem
% 0.19/0.45  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.19/0.45  SPASS derived 159 clauses, backtracked 0 clauses, performed 0 splits and kept 122 clauses.
% 0.19/0.45  SPASS allocated 63236 KBytes.
% 0.19/0.45  SPASS spent	0:00:00.09 on the problem.
% 0.19/0.45  		0:00:00.04 for the input.
% 0.19/0.45  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.45  		0:00:00.00 for inferences.
% 0.19/0.45  		0:00:00.00 for the backtracking.
% 0.19/0.45  		0:00:00.02 for the reduction.
% 0.19/0.45  
% 0.19/0.45  
% 0.19/0.45  Here is a proof with depth 6, length 21 :
% 0.19/0.45  % SZS output start Refutation
% See solution above
% 0.19/0.45  Formulae used in the proof : p2_1 not_p4_2 not_p2_3 p2_4 p2_5 p2_6 p4_7 p4_8
% 0.19/0.45  
%------------------------------------------------------------------------------