TSTP Solution File: KLE024+2 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : KLE024+2 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n019.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 : Sun Jul 17 02:28:06 EDT 2022

% Result   : Theorem 7.08s 7.25s
% Output   : Refutation 7.08s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   22 (  14 unt;   0 nHn;  22 RR)
%            Number of literals    :   31 (   0 equ;  13 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    test__dfg(skc4),
    file('KLE024+2.p',unknown),
    [] ).

cnf(3,axiom,
    equal(addition(u,zero),u),
    file('KLE024+2.p',unknown),
    [] ).

cnf(8,axiom,
    equal(multiplication(zero,u),zero),
    file('KLE024+2.p',unknown),
    [] ).

cnf(11,axiom,
    equal(addition(u,v),addition(v,u)),
    file('KLE024+2.p',unknown),
    [] ).

cnf(13,axiom,
    ~ equal(multiplication(multiplication(skc4,skc5),c(skc3)),zero),
    file('KLE024+2.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ complement(u,v)
    | equal(multiplication(u,v),zero) ),
    file('KLE024+2.p',unknown),
    [] ).

cnf(20,axiom,
    equal(multiplication(multiplication(u,v),w),multiplication(u,multiplication(v,w))),
    file('KLE024+2.p',unknown),
    [] ).

cnf(21,axiom,
    ( ~ test__dfg(u)
    | ~ equal(c(u),v)
    | complement(u,v) ),
    file('KLE024+2.p',unknown),
    [] ).

cnf(23,axiom,
    equal(multiplication(u,addition(v,w)),addition(multiplication(u,v),multiplication(u,w))),
    file('KLE024+2.p',unknown),
    [] ).

cnf(25,axiom,
    equal(addition(multiplication(skc5,c(skc3)),multiplication(c(skc4),skc5)),multiplication(c(skc4),skc5)),
    file('KLE024+2.p',unknown),
    [] ).

cnf(29,plain,
    ~ equal(multiplication(skc4,multiplication(skc5,c(skc3))),zero),
    inference(rew,[status(thm),theory(equality)],[20,13]),
    [iquote('0:Rew:20.0,13.0')] ).

cnf(39,plain,
    ( ~ equal(c(skc4),u)
    | complement(skc4,u) ),
    inference(res,[status(thm),theory(equality)],[1,21]),
    [iquote('0:Res:1.0,21.0')] ).

cnf(96,plain,
    equal(addition(zero,u),u),
    inference(spr,[status(thm),theory(equality)],[11,3]),
    [iquote('0:SpR:11.0,3.0')] ).

cnf(203,plain,
    complement(skc4,c(skc4)),
    inference(eqr,[status(thm),theory(equality)],[39]),
    [iquote('0:EqR:39.0')] ).

cnf(346,plain,
    ( ~ complement(u,v)
    | equal(multiplication(zero,w),multiplication(u,multiplication(v,w))) ),
    inference(spr,[status(thm),theory(equality)],[17,20]),
    [iquote('0:SpR:17.1,20.0')] ).

cnf(355,plain,
    ( ~ complement(u,v)
    | equal(multiplication(u,multiplication(v,w)),zero) ),
    inference(rew,[status(thm),theory(equality)],[8,346]),
    [iquote('0:Rew:8.0,346.1')] ).

cnf(501,plain,
    equal(addition(multiplication(u,multiplication(skc5,c(skc3))),multiplication(u,multiplication(c(skc4),skc5))),multiplication(u,multiplication(c(skc4),skc5))),
    inference(spr,[status(thm),theory(equality)],[25,23]),
    [iquote('0:SpR:25.0,23.0')] ).

cnf(7580,plain,
    ( ~ complement(u,c(skc4))
    | equal(addition(multiplication(u,multiplication(skc5,c(skc3))),zero),zero) ),
    inference(spr,[status(thm),theory(equality)],[355,501]),
    [iquote('0:SpR:355.1,501.0')] ).

cnf(7614,plain,
    ( ~ complement(u,c(skc4))
    | equal(multiplication(u,multiplication(skc5,c(skc3))),zero) ),
    inference(rew,[status(thm),theory(equality)],[96,7580,11]),
    [iquote('0:Rew:96.0,7580.1,11.0,7580.1')] ).

cnf(31467,plain,
    ( ~ complement(skc4,c(skc4))
    | ~ equal(zero,zero) ),
    inference(spl,[status(thm),theory(equality)],[7614,29]),
    [iquote('0:SpL:7614.1,29.0')] ).

cnf(31470,plain,
    ~ complement(skc4,c(skc4)),
    inference(obv,[status(thm),theory(equality)],[31467]),
    [iquote('0:Obv:31467.1')] ).

cnf(31471,plain,
    $false,
    inference(mrr,[status(thm)],[31470,203]),
    [iquote('0:MRR:31470.0,203.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : KLE024+2 : TPTP v8.1.0. Released v4.0.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n019.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Thu Jun 16 13:42:09 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 7.08/7.25  
% 7.08/7.25  SPASS V 3.9 
% 7.08/7.25  SPASS beiseite: Proof found.
% 7.08/7.25  % SZS status Theorem
% 7.08/7.25  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 7.08/7.25  SPASS derived 23960 clauses, backtracked 38 clauses, performed 2 splits and kept 5149 clauses.
% 7.08/7.25  SPASS allocated 118240 KBytes.
% 7.08/7.25  SPASS spent	0:00:06.69 on the problem.
% 7.08/7.25  		0:00:00.03 for the input.
% 7.08/7.25  		0:00:00.03 for the FLOTTER CNF translation.
% 7.08/7.25  		0:00:00.16 for inferences.
% 7.08/7.25  		0:00:00.25 for the backtracking.
% 7.08/7.25  		0:00:06.14 for the reduction.
% 7.08/7.25  
% 7.08/7.25  
% 7.08/7.25  Here is a proof with depth 3, length 22 :
% 7.08/7.25  % SZS output start Refutation
% See solution above
% 7.08/7.25  Formulae used in the proof : goals additive_identity left_annihilation additive_commutativity test_2 multiplicative_associativity test_3 right_distributivity
% 7.08/7.25  
%------------------------------------------------------------------------------