TSTP Solution File: RNG001-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : RNG001-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n028.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 : Mon Jul 18 20:41:09 EDT 2022

% Result   : Unsatisfiable 5.58s 5.75s
% Output   : Refutation 5.58s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   19 (   8 unt;   0 nHn;  19 RR)
%            Number of literals    :   41 (   0 equ;  23 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;   9 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ product(a,additive_identity,additive_identity),
    file('RNG001-1.p',unknown),
    [] ).

cnf(2,axiom,
    sum__dfg(additive_identity,u,u),
    file('RNG001-1.p',unknown),
    [] ).

cnf(3,axiom,
    sum__dfg(u,additive_identity,u),
    file('RNG001-1.p',unknown),
    [] ).

cnf(4,axiom,
    product(u,v,multiply(u,v)),
    file('RNG001-1.p',unknown),
    [] ).

cnf(7,axiom,
    sum__dfg(u,additive_inverse(u),additive_identity),
    file('RNG001-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ sum__dfg(u,v,w)
    | ~ sum__dfg(x,y,v)
    | ~ sum__dfg(u,x,z)
    | sum__dfg(z,y,w) ),
    file('RNG001-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ product(u,v,w)
    | ~ sum__dfg(x,y,v)
    | ~ product(u,y,z)
    | ~ product(u,x,x1)
    | sum__dfg(x1,z,w) ),
    file('RNG001-1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ sum__dfg(u,v,w)
    | ~ sum__dfg(u,v,x)
    | equal(x,w) ),
    file('RNG001-1.p',unknown),
    [] ).

cnf(32,plain,
    ( ~ sum__dfg(u,additive_inverse(u),v)
    | equal(v,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[7,17]),
    [iquote('0:Res:7.0,17.0')] ).

cnf(72,plain,
    ( ~ sum__dfg(u,v,additive_identity)
    | ~ sum__dfg(w,u,x)
    | sum__dfg(x,v,w) ),
    inference(res,[status(thm),theory(equality)],[3,9]),
    [iquote('0:Res:3.0,9.0')] ).

cnf(258,plain,
    ( ~ sum__dfg(u,v,w)
    | ~ product(x,v,y)
    | ~ product(x,u,z)
    | sum__dfg(z,y,multiply(x,w)) ),
    inference(res,[status(thm),theory(equality)],[4,13]),
    [iquote('0:Res:4.0,13.0')] ).

cnf(445,plain,
    ( ~ sum__dfg(u,v,w)
    | sum__dfg(w,additive_inverse(v),u) ),
    inference(res,[status(thm),theory(equality)],[7,72]),
    [iquote('0:Res:7.0,72.0')] ).

cnf(5005,plain,
    ( ~ sum__dfg(u,v,v)
    | equal(u,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[445,32]),
    [iquote('0:Res:445.1,32.0')] ).

cnf(5067,plain,
    ( ~ product(u,v,w)
    | ~ product(u,additive_identity,x)
    | sum__dfg(x,w,multiply(u,v)) ),
    inference(res,[status(thm),theory(equality)],[2,258]),
    [iquote('0:Res:2.0,258.0')] ).

cnf(16681,plain,
    ( ~ product(u,v,multiply(u,v))
    | ~ product(u,additive_identity,w)
    | equal(w,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[5067,5005]),
    [iquote('0:Res:5067.2,5005.0')] ).

cnf(16727,plain,
    ( ~ product(u,additive_identity,v)
    | equal(v,additive_identity) ),
    inference(mrr,[status(thm)],[16681,4]),
    [iquote('0:MRR:16681.0,4.0')] ).

cnf(16760,plain,
    equal(multiply(u,additive_identity),additive_identity),
    inference(res,[status(thm),theory(equality)],[4,16727]),
    [iquote('0:Res:4.0,16727.0')] ).

cnf(16803,plain,
    product(u,additive_identity,additive_identity),
    inference(spr,[status(thm),theory(equality)],[16760,4]),
    [iquote('0:SpR:16760.0,4.0')] ).

cnf(16813,plain,
    $false,
    inference(unc,[status(thm)],[16803,1]),
    [iquote('0:UnC:16803.0,1.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : RNG001-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n028.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 : Mon May 30 16:10:35 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 5.58/5.75  
% 5.58/5.75  SPASS V 3.9 
% 5.58/5.75  SPASS beiseite: Proof found.
% 5.58/5.75  % SZS status Theorem
% 5.58/5.75  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 5.58/5.75  SPASS derived 12799 clauses, backtracked 0 clauses, performed 0 splits and kept 3769 clauses.
% 5.58/5.75  SPASS allocated 72487 KBytes.
% 5.58/5.75  SPASS spent	0:00:05.33 on the problem.
% 5.58/5.75  		0:00:00.03 for the input.
% 5.58/5.75  		0:00:00.00 for the FLOTTER CNF translation.
% 5.58/5.75  		0:00:00.10 for inferences.
% 5.58/5.75  		0:00:00.00 for the backtracking.
% 5.58/5.75  		0:00:05.15 for the reduction.
% 5.58/5.75  
% 5.58/5.75  
% 5.58/5.75  Here is a proof with depth 6, length 19 :
% 5.58/5.75  % SZS output start Refutation
% See solution above
% 5.58/5.75  Formulae used in the proof : prove_a_times_0_is_0 additive_identity1 additive_identity2 closure_of_multiplication right_inverse associativity_of_addition2 distributivity1 addition_is_well_defined
% 5.58/5.75  
%------------------------------------------------------------------------------