TSTP Solution File: SYO038-1.003.003 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SYO038-1.003.003 : TPTP v8.1.0. Released v5.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n005.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 19:51:39 EDT 2022

% Result   : Unsatisfiable 0.19s 0.49s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   28 (  24 unt;   0 nHn;  28 RR)
%            Number of literals    :   32 (   0 equ;   7 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(f(u,one),s(one)),
    file('SYO038-1.003.003.p',unknown),
    [] ).

cnf(2,axiom,
    equal(s(s(f(one,u))),f(one,s(u))),
    file('SYO038-1.003.003.p',unknown),
    [] ).

cnf(3,axiom,
    equal(f(u,f(s(u),v)),f(s(u),s(v))),
    file('SYO038-1.003.003.p',unknown),
    [] ).

cnf(4,axiom,
    d(one),
    file('SYO038-1.003.003.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ d(u)
    | d(s(u)) ),
    file('SYO038-1.003.003.p',unknown),
    [] ).

cnf(6,axiom,
    ~ d(f(s(s(one)),s(s(one)))),
    file('SYO038-1.003.003.p',unknown),
    [] ).

cnf(8,plain,
    ( ~ d(s(f(one,u)))
    | d(f(one,s(u))) ),
    inference(spr,[status(thm),theory(equality)],[2,5]),
    [iquote('0:SpR:2.0,5.1')] ).

cnf(10,plain,
    equal(f(one,s(one)),s(s(s(one)))),
    inference(spr,[status(thm),theory(equality)],[1,2]),
    [iquote('0:SpR:1.0,2.0')] ).

cnf(12,plain,
    equal(s(s(s(s(s(one))))),f(one,s(s(one)))),
    inference(spr,[status(thm),theory(equality)],[10,2]),
    [iquote('0:SpR:10.0,2.0')] ).

cnf(13,plain,
    ( ~ d(f(one,u))
    | d(f(one,s(u))) ),
    inference(sor,[status(thm)],[8,5]),
    [iquote('0:SoR:8.0,5.1')] ).

cnf(14,plain,
    ( ~ d(s(s(s(s(one)))))
    | d(f(one,s(s(one)))) ),
    inference(spr,[status(thm),theory(equality)],[12,5]),
    [iquote('0:SpR:12.0,5.1')] ).

cnf(16,plain,
    d(f(one,s(s(one)))),
    inference(ssi,[status(thm)],[14,5,4]),
    [iquote('0:SSi:14.0,5.0,5.1,5.1,5.1,4.1')] ).

cnf(22,plain,
    equal(f(s(u),s(one)),f(u,s(one))),
    inference(spr,[status(thm),theory(equality)],[1,3]),
    [iquote('0:SpR:1.0,3.0')] ).

cnf(23,plain,
    d(f(one,s(s(s(one))))),
    inference(sor,[status(thm)],[13,16]),
    [iquote('0:SoR:13.0,16.0')] ).

cnf(24,plain,
    d(f(one,s(s(s(s(one)))))),
    inference(sor,[status(thm)],[13,23]),
    [iquote('0:SoR:13.0,23.0')] ).

cnf(25,plain,
    d(f(one,s(s(s(s(s(one))))))),
    inference(sor,[status(thm)],[13,24]),
    [iquote('0:SoR:13.0,24.0')] ).

cnf(26,plain,
    d(f(one,f(one,s(s(one))))),
    inference(rew,[status(thm),theory(equality)],[12,25]),
    [iquote('0:Rew:12.0,25.0')] ).

cnf(27,plain,
    d(f(one,s(f(one,s(s(one)))))),
    inference(sor,[status(thm)],[13,26]),
    [iquote('0:SoR:13.0,26.0')] ).

cnf(29,plain,
    equal(f(u,f(u,s(one))),f(s(u),s(s(one)))),
    inference(spr,[status(thm),theory(equality)],[22,3]),
    [iquote('0:SpR:22.0,3.0')] ).

cnf(36,plain,
    d(f(one,s(s(f(one,s(s(one))))))),
    inference(sor,[status(thm)],[13,27]),
    [iquote('0:SoR:13.0,27.0')] ).

cnf(37,plain,
    d(f(one,f(one,s(s(s(one)))))),
    inference(rew,[status(thm),theory(equality)],[2,36]),
    [iquote('0:Rew:2.0,36.0')] ).

cnf(113,plain,
    equal(f(u,f(u,f(u,s(one)))),f(s(u),s(s(s(one))))),
    inference(spr,[status(thm),theory(equality)],[29,3]),
    [iquote('0:SpR:29.0,3.0')] ).

cnf(116,plain,
    equal(f(s(u),f(u,s(one))),f(s(s(u)),s(s(one)))),
    inference(spr,[status(thm),theory(equality)],[22,29]),
    [iquote('0:SpR:22.0,29.0')] ).

cnf(117,plain,
    ~ d(f(s(one),f(one,s(one)))),
    inference(rew,[status(thm),theory(equality)],[116,6]),
    [iquote('0:Rew:116.0,6.0')] ).

cnf(118,plain,
    ~ d(f(s(one),s(s(s(one))))),
    inference(rew,[status(thm),theory(equality)],[10,117]),
    [iquote('0:Rew:10.0,117.0')] ).

cnf(419,plain,
    equal(f(one,f(one,s(s(s(one))))),f(s(one),s(s(s(one))))),
    inference(spr,[status(thm),theory(equality)],[10,113]),
    [iquote('0:SpR:10.0,113.0')] ).

cnf(422,plain,
    d(f(s(one),s(s(s(one))))),
    inference(rew,[status(thm),theory(equality)],[419,37]),
    [iquote('0:Rew:419.0,37.0')] ).

cnf(429,plain,
    $false,
    inference(mrr,[status(thm)],[422,118]),
    [iquote('0:MRR:422.0,118.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SYO038-1.003.003 : TPTP v8.1.0. Released v5.3.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n005.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  9 14:16:52 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.49  
% 0.19/0.49  SPASS V 3.9 
% 0.19/0.49  SPASS beiseite: Proof found.
% 0.19/0.49  % SZS status Theorem
% 0.19/0.49  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.19/0.49  SPASS derived 269 clauses, backtracked 0 clauses, performed 0 splits and kept 142 clauses.
% 0.19/0.49  SPASS allocated 76781 KBytes.
% 0.19/0.49  SPASS spent	0:00:00.14 on the problem.
% 0.19/0.49  		0:00:00.04 for the input.
% 0.19/0.49  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.49  		0:00:00.01 for inferences.
% 0.19/0.49  		0:00:00.00 for the backtracking.
% 0.19/0.49  		0:00:00.06 for the reduction.
% 0.19/0.49  
% 0.19/0.49  
% 0.19/0.49  Here is a proof with depth 8, length 28 :
% 0.19/0.49  % SZS output start Refutation
% See solution above
% 0.19/0.49  Formulae used in the proof : ax1 ax2 ax3 ax4 ax5 conj
% 0.19/0.49  
%------------------------------------------------------------------------------