TSTP Solution File: SYN328-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SYN328-1 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n027.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 12:20:20 EDT 2022

% Result   : Unsatisfiable 0.18s 0.40s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   19 (   4 unt;   6 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  :    4 (   3 usr;   1 prp; 0-1 aty)
%            Number of functors    :    3 (   3 usr;   1 con; 0-1 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( f(u)
    | f(y__dfg(u)) ),
    file('SYN328-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ g(y__dfg(u))
    | f(u) ),
    file('SYN328-1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ g(u)
    | ~ f(y__dfg(u))
    | h(y__dfg(u)) ),
    file('SYN328-1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ h(y__dfg(u))
    | g(u) ),
    file('SYN328-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ f(y__dfg(u))
    | h(u)
    | g(y__dfg(u)) ),
    file('SYN328-1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ h(y__dfg(u))
    | h(u) ),
    file('SYN328-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ h(z__dfg(u))
    | ~ g(z__dfg(u))
    | ~ f(z__dfg(u)) ),
    file('SYN328-1.p',unknown),
    [] ).

cnf(28,plain,
    ( ~ f(y__dfg(u))
    | h(u)
    | f(u) ),
    inference(res,[status(thm),theory(equality)],[9,3]),
    [iquote('0:Res:9.2,3.0')] ).

cnf(29,plain,
    ( h(u)
    | f(u) ),
    inference(mrr,[status(thm)],[28,2]),
    [iquote('0:MRR:28.0,2.1')] ).

cnf(30,plain,
    ( ~ g(u)
    | h(y__dfg(u)) ),
    inference(mrr,[status(thm)],[4,29]),
    [iquote('0:MRR:4.1,29.1')] ).

cnf(31,plain,
    ( f(y__dfg(u))
    | h(u) ),
    inference(res,[status(thm),theory(equality)],[29,10]),
    [iquote('0:Res:29.0,10.0')] ).

cnf(33,plain,
    ( h(u)
    | g(y__dfg(u)) ),
    inference(mrr,[status(thm)],[9,31]),
    [iquote('0:MRR:9.0,31.0')] ).

cnf(35,plain,
    ( ~ g(u)
    | h(u) ),
    inference(res,[status(thm),theory(equality)],[30,10]),
    [iquote('0:Res:30.1,10.0')] ).

cnf(37,plain,
    ( ~ g(y__dfg(u))
    | h(u) ),
    inference(res,[status(thm),theory(equality)],[35,10]),
    [iquote('0:Res:35.1,10.0')] ).

cnf(39,plain,
    h(u),
    inference(mrr,[status(thm)],[37,33]),
    [iquote('0:MRR:37.0,33.1')] ).

cnf(40,plain,
    g(u),
    inference(mrr,[status(thm)],[6,39]),
    [iquote('0:MRR:6.0,39.0')] ).

cnf(41,plain,
    ( ~ g(z__dfg(u))
    | ~ f(z__dfg(u)) ),
    inference(mrr,[status(thm)],[11,39]),
    [iquote('0:MRR:11.0,39.0')] ).

cnf(42,plain,
    f(u),
    inference(mrr,[status(thm)],[3,40]),
    [iquote('0:MRR:3.0,40.0')] ).

cnf(43,plain,
    $false,
    inference(mrr,[status(thm)],[41,40,42]),
    [iquote('0:MRR:41.0,41.1,40.0,42.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYN328-1 : TPTP v8.1.0. Released v1.2.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n027.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jul 11 23:55:04 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.40  
% 0.18/0.40  SPASS V 3.9 
% 0.18/0.40  SPASS beiseite: Proof found.
% 0.18/0.40  % SZS status Theorem
% 0.18/0.40  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.18/0.40  SPASS derived 15 clauses, backtracked 0 clauses, performed 0 splits and kept 20 clauses.
% 0.18/0.40  SPASS allocated 75590 KBytes.
% 0.18/0.40  SPASS spent	0:00:00.06 on the problem.
% 0.18/0.40  		0:00:00.03 for the input.
% 0.18/0.40  		0:00:00.00 for the FLOTTER CNF translation.
% 0.18/0.40  		0:00:00.00 for inferences.
% 0.18/0.40  		0:00:00.00 for the backtracking.
% 0.18/0.40  		0:00:00.00 for the reduction.
% 0.18/0.40  
% 0.18/0.40  
% 0.18/0.40  Here is a proof with depth 2, length 19 :
% 0.18/0.40  % SZS output start Refutation
% See solution above
% 0.18/0.40  Formulae used in the proof : clause2 clause3 clause4 clause6 clause9 clause10 clause11
% 0.18/0.40  
%------------------------------------------------------------------------------