TSTP Solution File: ALG210+1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : ALG210+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n023.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 14 18:02:59 EDT 2022

% Result   : Theorem 1.99s 2.21s
% Output   : Refutation 1.99s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   32 (  25 unt;   0 nHn;  32 RR)
%            Number of literals    :   39 (   0 equ;   9 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    element(skc3),
    file('ALG210+1.p',unknown),
    [] ).

cnf(2,axiom,
    element(skc2),
    file('ALG210+1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ element(times(skc3,skc2)),
    file('ALG210+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ element(u)
    | equal(times(u,times(u,u)),u) ),
    file('ALG210+1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ equal(times(u,times(u,u)),u)
    | element(u) ),
    file('ALG210+1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(times(times(u,v),w),times(v,times(w,u))),
    file('ALG210+1.p',unknown),
    [] ).

cnf(7,plain,
    equal(times(skc2,times(skc2,skc2)),skc2),
    inference(res,[status(thm),theory(equality)],[2,4]),
    [iquote('0:Res:2.0,4.0')] ).

cnf(8,plain,
    equal(times(skc3,times(skc3,skc3)),skc3),
    inference(res,[status(thm),theory(equality)],[1,4]),
    [iquote('0:Res:1.0,4.0')] ).

cnf(22,plain,
    equal(times(times(u,times(v,w)),x),times(v,times(x,times(w,u)))),
    inference(spr,[status(thm),theory(equality)],[6]),
    [iquote('0:SpR:6.0,6.0')] ).

cnf(24,plain,
    equal(times(times(skc3,skc3),times(u,skc3)),times(skc3,u)),
    inference(spr,[status(thm),theory(equality)],[8,6]),
    [iquote('0:SpR:8.0,6.0')] ).

cnf(26,plain,
    equal(times(times(skc2,skc2),times(u,skc2)),times(skc2,u)),
    inference(spr,[status(thm),theory(equality)],[7,6]),
    [iquote('0:SpR:7.0,6.0')] ).

cnf(28,plain,
    ( ~ equal(times(u,times(times(times(v,u),times(v,u)),v)),times(v,u))
    | element(times(v,u)) ),
    inference(spl,[status(thm),theory(equality)],[6,5]),
    [iquote('0:SpL:6.0,5.0')] ).

cnf(29,plain,
    equal(times(skc3,times(skc3,times(skc3,u))),times(skc3,u)),
    inference(rew,[status(thm),theory(equality)],[6,24]),
    [iquote('0:Rew:6.0,24.0,6.0,24.0')] ).

cnf(30,plain,
    equal(times(skc2,times(skc2,times(skc2,u))),times(skc2,u)),
    inference(rew,[status(thm),theory(equality)],[6,26]),
    [iquote('0:Rew:6.0,26.0,6.0,26.0')] ).

cnf(32,plain,
    equal(times(u,times(v,times(w,x))),times(w,times(x,times(u,v)))),
    inference(rew,[status(thm),theory(equality)],[6,22]),
    [iquote('0:Rew:6.0,22.0,6.0,22.0,6.0,22.0')] ).

cnf(33,plain,
    ( ~ equal(times(u,times(u,times(u,times(v,times(v,v))))),times(v,u))
    | element(times(v,u)) ),
    inference(rew,[status(thm),theory(equality)],[6,28]),
    [iquote('0:Rew:6.0,28.0,6.0,28.0,6.0,28.0,6.0,28.0,6.0,28.0')] ).

cnf(85,plain,
    equal(times(skc3,times(u,times(skc3,skc3))),times(skc3,u)),
    inference(spr,[status(thm),theory(equality)],[32,29]),
    [iquote('0:SpR:32.0,29.0')] ).

cnf(95,plain,
    equal(times(skc2,times(u,times(skc2,skc2))),times(skc2,u)),
    inference(spr,[status(thm),theory(equality)],[32,30]),
    [iquote('0:SpR:32.0,30.0')] ).

cnf(210,plain,
    equal(times(u,times(times(skc3,skc3),times(v,skc3))),times(v,times(skc3,u))),
    inference(spr,[status(thm),theory(equality)],[85,32]),
    [iquote('0:SpR:85.0,32.0')] ).

cnf(219,plain,
    equal(times(u,times(skc3,v)),times(v,times(skc3,u))),
    inference(rew,[status(thm),theory(equality)],[29,210,6]),
    [iquote('0:Rew:29.0,210.0,6.0,210.0,6.0,210.0')] ).

cnf(234,plain,
    equal(times(u,times(times(skc2,skc2),times(v,skc2))),times(v,times(skc2,u))),
    inference(spr,[status(thm),theory(equality)],[95,32]),
    [iquote('0:SpR:95.0,32.0')] ).

cnf(243,plain,
    equal(times(u,times(skc2,v)),times(v,times(skc2,u))),
    inference(rew,[status(thm),theory(equality)],[30,234,6]),
    [iquote('0:Rew:30.0,234.0,6.0,234.0,6.0,234.0')] ).

cnf(252,plain,
    ( ~ equal(times(u,times(u,times(u,skc3))),times(skc3,u))
    | element(times(skc3,u)) ),
    inference(spl,[status(thm),theory(equality)],[8,33]),
    [iquote('0:SpL:8.0,33.0')] ).

cnf(398,plain,
    equal(times(times(skc3,skc3),times(skc3,u)),times(u,skc3)),
    inference(spr,[status(thm),theory(equality)],[8,219]),
    [iquote('0:SpR:8.0,219.0')] ).

cnf(424,plain,
    equal(times(skc3,u),times(u,skc3)),
    inference(rew,[status(thm),theory(equality)],[85,398,6]),
    [iquote('0:Rew:85.0,398.0,6.0,398.0,6.0,398.0')] ).

cnf(425,plain,
    ~ element(times(skc2,skc3)),
    inference(rew,[status(thm),theory(equality)],[424,3]),
    [iquote('0:Rew:424.0,3.0')] ).

cnf(737,plain,
    equal(times(times(skc2,skc2),times(skc2,u)),times(u,skc2)),
    inference(spr,[status(thm),theory(equality)],[7,243]),
    [iquote('0:SpR:7.0,243.0')] ).

cnf(771,plain,
    equal(times(skc2,u),times(u,skc2)),
    inference(rew,[status(thm),theory(equality)],[95,737,6]),
    [iquote('0:Rew:95.0,737.0,6.0,737.0,6.0,737.0')] ).

cnf(8316,plain,
    ( ~ equal(times(skc3,skc2),times(skc2,skc3))
    | element(times(skc3,skc2)) ),
    inference(spl,[status(thm),theory(equality)],[30,252]),
    [iquote('0:SpL:30.0,252.0')] ).

cnf(8332,plain,
    ( ~ equal(times(skc2,skc3),times(skc2,skc3))
    | element(times(skc2,skc3)) ),
    inference(rew,[status(thm),theory(equality)],[771,8316]),
    [iquote('0:Rew:771.0,8316.1,771.0,8316.0')] ).

cnf(8333,plain,
    element(times(skc2,skc3)),
    inference(obv,[status(thm),theory(equality)],[8332]),
    [iquote('0:Obv:8332.0')] ).

cnf(8334,plain,
    $false,
    inference(mrr,[status(thm)],[8333,425]),
    [iquote('0:MRR:8333.0,425.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : ALG210+1 : TPTP v8.1.0. Released v3.1.0.
% 0.10/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n023.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 : Wed Jun  8 17:33:53 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.99/2.21  
% 1.99/2.21  SPASS V 3.9 
% 1.99/2.21  SPASS beiseite: Proof found.
% 1.99/2.21  % SZS status Theorem
% 1.99/2.21  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 1.99/2.21  SPASS derived 5319 clauses, backtracked 0 clauses, performed 0 splits and kept 527 clauses.
% 1.99/2.21  SPASS allocated 103778 KBytes.
% 1.99/2.21  SPASS spent	0:00:01.80 on the problem.
% 1.99/2.21  		0:00:00.04 for the input.
% 1.99/2.21  		0:00:00.03 for the FLOTTER CNF translation.
% 1.99/2.21  		0:00:00.05 for inferences.
% 1.99/2.21  		0:00:00.00 for the backtracking.
% 1.99/2.21  		0:00:01.66 for the reduction.
% 1.99/2.21  
% 1.99/2.21  
% 1.99/2.21  Here is a proof with depth 5, length 32 :
% 1.99/2.21  % SZS output start Refutation
% See solution above
% 1.99/2.21  Formulae used in the proof : conjecture_1 axiom_2 axiom_1
% 1.99/2.21  
%------------------------------------------------------------------------------