TSTP Solution File: SYN918+1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SYN918+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n015.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 12:32:04 EDT 2022

% Result   : Theorem 0.19s 0.43s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   28 (  12 unt;   3 nHn;  28 RR)
%            Number of literals    :   48 (   0 equ;  21 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-1 aty)
%            Number of functors    :    3 (   3 usr;   3 con; 0-0 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    f(skc1),
    file('SYN918+1.p',unknown),
    [] ).

cnf(2,axiom,
    ( skP0(u)
    | f(u) ),
    file('SYN918+1.p',unknown),
    [] ).

cnf(3,axiom,
    ( skP0(u)
    | g(u) ),
    file('SYN918+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ h(u)
    | skP0(u) ),
    file('SYN918+1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ skP0(u)
    | ~ g(skc1) ),
    file('SYN918+1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ h(u)
    | ~ f(u)
    | g(u) ),
    file('SYN918+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ g(u)
    | ~ f(u)
    | h(u) ),
    file('SYN918+1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ f(u)
    | ~ f(v)
    | h(u)
    | g(v) ),
    file('SYN918+1.p',unknown),
    [] ).

cnf(19,plain,
    ( ~ f(u)
    | g(u) ),
    inference(spt,[spt(split,[position(s1)])],[8]),
    [iquote('1:Spt:8.1,8.3')] ).

cnf(20,plain,
    ( ~ f(u)
    | h(u) ),
    inference(mrr,[status(thm)],[7,19]),
    [iquote('1:MRR:7.0,19.1')] ).

cnf(21,plain,
    ( ~ g(skc1)
    | g(u) ),
    inference(ems,[status(thm)],[5,3]),
    [iquote('0:EmS:5.0,3.0')] ).

cnf(22,plain,
    ( ~ g(skc1)
    | f(u) ),
    inference(ems,[status(thm)],[5,2]),
    [iquote('0:EmS:5.0,2.0')] ).

cnf(23,plain,
    ( ~ h(u)
    | ~ g(skc1) ),
    inference(ems,[status(thm)],[5,4]),
    [iquote('0:EmS:5.0,4.1')] ).

cnf(24,plain,
    ( ~ f(skc1)
    | g(u) ),
    inference(res,[status(thm),theory(equality)],[19,21]),
    [iquote('1:Res:19.1,21.0')] ).

cnf(25,plain,
    g(u),
    inference(ssi,[status(thm)],[24,1]),
    [iquote('1:SSi:24.0,1.0')] ).

cnf(27,plain,
    f(u),
    inference(mrr,[status(thm)],[22,25]),
    [iquote('1:MRR:22.0,25.0')] ).

cnf(28,plain,
    ~ h(u),
    inference(mrr,[status(thm)],[23,25]),
    [iquote('1:MRR:23.1,25.0')] ).

cnf(29,plain,
    h(u),
    inference(mrr,[status(thm)],[20,27]),
    [iquote('1:MRR:20.0,27.0')] ).

cnf(32,plain,
    $false,
    inference(mrr,[status(thm)],[28,29]),
    [iquote('1:MRR:28.0,29.0')] ).

cnf(33,plain,
    ( ~ f(u)
    | h(u) ),
    inference(spt,[spt(split,[position(s2)])],[8]),
    [iquote('1:Spt:32.0,8.0,8.2')] ).

cnf(34,plain,
    ( ~ f(u)
    | g(u) ),
    inference(mrr,[status(thm)],[6,33]),
    [iquote('1:MRR:6.0,33.1')] ).

cnf(35,plain,
    ( ~ f(skc1)
    | f(u) ),
    inference(res,[status(thm),theory(equality)],[34,22]),
    [iquote('1:Res:34.1,22.0')] ).

cnf(37,plain,
    f(u),
    inference(ssi,[status(thm)],[35,1]),
    [iquote('1:SSi:35.0,1.0')] ).

cnf(38,plain,
    h(u),
    inference(mrr,[status(thm)],[33,37]),
    [iquote('1:MRR:33.0,37.0')] ).

cnf(39,plain,
    g(u),
    inference(mrr,[status(thm)],[34,37]),
    [iquote('1:MRR:34.0,37.0')] ).

cnf(40,plain,
    skP0(u),
    inference(mrr,[status(thm)],[4,38]),
    [iquote('1:MRR:4.0,38.0')] ).

cnf(42,plain,
    ~ skP0(u),
    inference(mrr,[status(thm)],[5,39]),
    [iquote('1:MRR:5.1,39.0')] ).

cnf(44,plain,
    $false,
    inference(mrr,[status(thm)],[42,40]),
    [iquote('1:MRR:42.0,40.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYN918+1 : TPTP v8.1.0. Released v3.1.0.
% 0.03/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n015.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 19:28:24 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.43  
% 0.19/0.43  SPASS V 3.9 
% 0.19/0.43  SPASS beiseite: Proof found.
% 0.19/0.43  % SZS status Theorem
% 0.19/0.43  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.19/0.43  SPASS derived 18 clauses, backtracked 11 clauses, performed 1 splits and kept 35 clauses.
% 0.19/0.43  SPASS allocated 97565 KBytes.
% 0.19/0.43  SPASS spent	0:00:00.08 on the problem.
% 0.19/0.43  		0:00:00.04 for the input.
% 0.19/0.43  		0:00:00.02 for the FLOTTER CNF translation.
% 0.19/0.43  		0:00:00.00 for inferences.
% 0.19/0.43  		0:00:00.00 for the backtracking.
% 0.19/0.43  		0:00:00.00 for the reduction.
% 0.19/0.43  
% 0.19/0.43  
% 0.19/0.43  Here is a proof with depth 2, length 28 :
% 0.19/0.43  % SZS output start Refutation
% See solution above
% 0.19/0.43  Formulae used in the proof : prove_this
% 0.19/0.43  
%------------------------------------------------------------------------------