TSTP Solution File: HEN012-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : HEN012-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n007.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 : Sat Jul 16 13:03:16 EDT 2022

% Result   : Unsatisfiable 0.46s 0.68s
% Output   : Refutation 0.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   25 (  10 unt;   0 nHn;  25 RR)
%            Number of literals    :   55 (   0 equ;  32 neg)
%            Maximal clause size   :    6 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;  10 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ less_equal(x__dfg,x__dfg),
    file('HEN012-1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ less_equal(u,v)
    | quotient(u,v,zero) ),
    file('HEN012-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ quotient(u,v,zero)
    | less_equal(u,v) ),
    file('HEN012-1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ quotient(u,v,w)
    | less_equal(w,u) ),
    file('HEN012-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ quotient(u,v,w)
    | ~ quotient(x,y,z)
    | ~ quotient(x1,v,x)
    | ~ quotient(x2,v,y)
    | ~ quotient(x1,x2,u)
    | less_equal(z,w) ),
    file('HEN012-1.p',unknown),
    [] ).

cnf(6,axiom,
    less_equal(zero,u),
    file('HEN012-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ less_equal(u,v)
    | ~ less_equal(v,u)
    | equal(v,u) ),
    file('HEN012-1.p',unknown),
    [] ).

cnf(9,axiom,
    quotient(u,v,divide(u,v)),
    file('HEN012-1.p',unknown),
    [] ).

cnf(11,plain,
    ~ quotient(x__dfg,x__dfg,zero),
    inference(res,[status(thm),theory(equality)],[3,1]),
    [iquote('0:Res:3.1,1.0')] ).

cnf(16,plain,
    less_equal(divide(u,v),u),
    inference(res,[status(thm),theory(equality)],[9,4]),
    [iquote('0:Res:9.0,4.0')] ).

cnf(18,plain,
    ( ~ less_equal(u,zero)
    | equal(u,zero) ),
    inference(res,[status(thm),theory(equality)],[6,7]),
    [iquote('0:Res:6.0,7.0')] ).

cnf(22,plain,
    equal(divide(zero,u),zero),
    inference(res,[status(thm),theory(equality)],[16,18]),
    [iquote('0:Res:16.0,18.0')] ).

cnf(43,plain,
    ( ~ less_equal(u,v)
    | ~ quotient(w,x,y)
    | ~ quotient(z,v,w)
    | ~ quotient(x1,v,x)
    | ~ quotient(z,x1,u)
    | less_equal(y,zero) ),
    inference(res,[status(thm),theory(equality)],[2,5]),
    [iquote('0:Res:2.1,5.0')] ).

cnf(135,plain,
    ( ~ less_equal(u,v)
    | ~ quotient(w,v,x)
    | ~ quotient(y,v,z)
    | ~ quotient(w,y,u)
    | less_equal(divide(x,z),zero) ),
    inference(res,[status(thm),theory(equality)],[9,43]),
    [iquote('0:Res:9.0,43.1')] ).

cnf(311,plain,
    ( ~ less_equal(u,v)
    | ~ quotient(w,v,x)
    | ~ quotient(y,w,u)
    | less_equal(divide(divide(y,v),x),zero) ),
    inference(res,[status(thm),theory(equality)],[9,135]),
    [iquote('0:Res:9.0,135.1')] ).

cnf(499,plain,
    ( ~ less_equal(u,v)
    | ~ quotient(w,x,u)
    | less_equal(divide(divide(w,v),divide(x,v)),zero) ),
    inference(res,[status(thm),theory(equality)],[9,311]),
    [iquote('0:Res:9.0,311.1')] ).

cnf(826,plain,
    ( ~ less_equal(divide(u,v),w)
    | less_equal(divide(divide(u,w),divide(v,w)),zero) ),
    inference(res,[status(thm),theory(equality)],[9,499]),
    [iquote('0:Res:9.0,499.1')] ).

cnf(2096,plain,
    ( ~ less_equal(divide(u,zero),v)
    | less_equal(divide(divide(u,v),zero),zero) ),
    inference(spr,[status(thm),theory(equality)],[22,826]),
    [iquote('0:SpR:22.0,826.1')] ).

cnf(2187,plain,
    ( ~ less_equal(divide(u,zero),v)
    | equal(divide(divide(u,v),zero),zero) ),
    inference(res,[status(thm),theory(equality)],[2096,18]),
    [iquote('0:Res:2096.1,18.0')] ).

cnf(2199,plain,
    ( ~ less_equal(divide(u,zero),v)
    | quotient(divide(u,v),zero,zero) ),
    inference(spr,[status(thm),theory(equality)],[2187,9]),
    [iquote('0:SpR:2187.1,9.0')] ).

cnf(2294,plain,
    ( ~ less_equal(divide(u,zero),v)
    | less_equal(divide(u,v),zero) ),
    inference(res,[status(thm),theory(equality)],[2199,3]),
    [iquote('0:Res:2199.1,3.0')] ).

cnf(2355,plain,
    less_equal(divide(u,u),zero),
    inference(res,[status(thm),theory(equality)],[16,2294]),
    [iquote('0:Res:16.0,2294.0')] ).

cnf(2391,plain,
    equal(divide(u,u),zero),
    inference(res,[status(thm),theory(equality)],[2355,18]),
    [iquote('0:Res:2355.0,18.0')] ).

cnf(2406,plain,
    quotient(u,u,zero),
    inference(spr,[status(thm),theory(equality)],[2391,9]),
    [iquote('0:SpR:2391.0,9.0')] ).

cnf(2476,plain,
    $false,
    inference(unc,[status(thm)],[2406,11]),
    [iquote('0:UnC:2406.0,11.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : HEN012-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n007.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 : Fri Jul  1 12:40:24 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.46/0.68  
% 0.46/0.68  SPASS V 3.9 
% 0.46/0.68  SPASS beiseite: Proof found.
% 0.46/0.68  % SZS status Theorem
% 0.46/0.68  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.46/0.68  SPASS derived 1975 clauses, backtracked 0 clauses, performed 0 splits and kept 448 clauses.
% 0.46/0.68  SPASS allocated 64866 KBytes.
% 0.46/0.68  SPASS spent	0:00:00.32 on the problem.
% 0.46/0.68  		0:00:00.03 for the input.
% 0.46/0.68  		0:00:00.00 for the FLOTTER CNF translation.
% 0.46/0.68  		0:00:00.03 for inferences.
% 0.46/0.68  		0:00:00.00 for the backtracking.
% 0.46/0.68  		0:00:00.24 for the reduction.
% 0.46/0.68  
% 0.46/0.68  
% 0.46/0.68  Here is a proof with depth 12, length 25 :
% 0.46/0.68  % SZS output start Refutation
% See solution above
% 0.46/0.68  Formulae used in the proof : prove_X_less_than_or_equal_to_X quotient_less_equal less_equal_quotient divisor_existence quotient_property zero_is_smallest less_equal_and_equal closure
% 0.46/0.68  
%------------------------------------------------------------------------------