TSTP Solution File: SYN332-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SYN332-1 : TPTP v8.1.0. Released v1.2.0.
% 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 12:20:24 EDT 2022

% Result   : Unsatisfiable 0.22s 0.42s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   19 (   4 unt;   7 nHn;  19 RR)
%            Number of literals    :   38 (   0 equ;  15 neg)
%            Maximal clause size   :    3 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( f(u,v)
    | f(u,z__dfg(u,v)) ),
    file('SYN332-1.p',unknown),
    [] ).

cnf(2,axiom,
    ( f(u,v)
    | f(v,z__dfg(v,u)) ),
    file('SYN332-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ f(u,z__dfg(u,v))
    | f(z__dfg(u,v),u) ),
    file('SYN332-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ f(u,z__dfg(u,v))
    | f(v,z__dfg(u,v)) ),
    file('SYN332-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ f(u,v)
    | ~ f(z__dfg(v,u),z__dfg(v,u))
    | f(v,u) ),
    file('SYN332-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ f(z__dfg(u,v),v)
    | f(v,u)
    | f(u,v) ),
    file('SYN332-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ f(u,v)
    | ~ f(v,u)
    | ~ f(z__dfg(v,u),u) ),
    file('SYN332-1.p',unknown),
    [] ).

cnf(16,plain,
    ( f(u,v)
    | f(u,z__dfg(v,u)) ),
    inference(res,[status(thm),theory(equality)],[2,7]),
    [iquote('0:Res:2.1,7.0')] ).

cnf(17,plain,
    ( f(u,v)
    | f(v,z__dfg(u,v)) ),
    inference(res,[status(thm),theory(equality)],[1,7]),
    [iquote('0:Res:1.1,7.0')] ).

cnf(27,plain,
    ( ~ f(u,z__dfg(u,u))
    | f(u,u)
    | f(u,u) ),
    inference(res,[status(thm),theory(equality)],[5,13]),
    [iquote('0:Res:5.1,13.0')] ).

cnf(29,plain,
    ( ~ f(u,z__dfg(u,u))
    | f(u,u) ),
    inference(obv,[status(thm),theory(equality)],[27]),
    [iquote('0:Obv:27.1')] ).

cnf(30,plain,
    f(u,u),
    inference(mrr,[status(thm)],[29,17]),
    [iquote('0:MRR:29.0,17.1')] ).

cnf(31,plain,
    ( ~ f(u,v)
    | f(v,u) ),
    inference(mrr,[status(thm)],[8,30]),
    [iquote('0:MRR:8.1,30.0')] ).

cnf(33,plain,
    ( ~ f(z__dfg(u,v),v)
    | f(u,v) ),
    inference(mrr,[status(thm)],[13,31]),
    [iquote('0:MRR:13.1,31.0')] ).

cnf(34,plain,
    ( ~ f(u,v)
    | ~ f(z__dfg(u,v),v) ),
    inference(mrr,[status(thm)],[14,31]),
    [iquote('0:MRR:14.0,31.1')] ).

cnf(38,plain,
    ~ f(z__dfg(u,v),v),
    inference(mrr,[status(thm)],[34,33]),
    [iquote('0:MRR:34.0,33.1')] ).

cnf(41,plain,
    ( f(u,v)
    | f(z__dfg(v,u),u) ),
    inference(res,[status(thm),theory(equality)],[16,31]),
    [iquote('0:Res:16.1,31.0')] ).

cnf(44,plain,
    f(u,v),
    inference(mrr,[status(thm)],[41,38]),
    [iquote('0:MRR:41.1,38.0')] ).

cnf(45,plain,
    $false,
    inference(unc,[status(thm)],[44,38]),
    [iquote('0:UnC:44.0,38.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : SYN332-1 : TPTP v8.1.0. Released v1.2.0.
% 0.13/0.14  % Command  : run_spass %d %s
% 0.14/0.35  % Computer : n022.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Tue Jul 12 01:21:10 EDT 2022
% 0.22/0.35  % CPUTime  : 
% 0.22/0.42  
% 0.22/0.42  SPASS V 3.9 
% 0.22/0.42  SPASS beiseite: Proof found.
% 0.22/0.42  % SZS status Theorem
% 0.22/0.42  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.22/0.42  SPASS derived 26 clauses, backtracked 0 clauses, performed 0 splits and kept 27 clauses.
% 0.22/0.42  SPASS allocated 63101 KBytes.
% 0.22/0.42  SPASS spent	0:00:00.06 on the problem.
% 0.22/0.42  		0:00:00.03 for the input.
% 0.22/0.42  		0:00:00.00 for the FLOTTER CNF translation.
% 0.22/0.42  		0:00:00.00 for inferences.
% 0.22/0.42  		0:00:00.00 for the backtracking.
% 0.22/0.42  		0:00:00.00 for the reduction.
% 0.22/0.42  
% 0.22/0.42  
% 0.22/0.42  Here is a proof with depth 2, length 19 :
% 0.22/0.42  % SZS output start Refutation
% See solution above
% 0.22/0.42  Formulae used in the proof : clause1 clause2 clause5 clause7 clause8 clause13 clause14
% 0.22/0.42  
%------------------------------------------------------------------------------