TSTP Solution File: BOO009-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : BOO009-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n029.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 23:49:24 EDT 2022

% Result   : Unsatisfiable 0.66s 0.82s
% Output   : Refutation 0.66s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   21 (  10 unt;   0 nHn;  21 RR)
%            Number of literals    :   45 (   0 equ;  26 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    :   13 (  13 usr;  10 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ product(x__dfg,add(x__dfg,y__dfg),x__dfg),
    file('BOO009-1.p',unknown),
    [] ).

cnf(2,axiom,
    sum__dfg(u,v,add(u,v)),
    file('BOO009-1.p',unknown),
    [] ).

cnf(3,axiom,
    product(u,v,multiply(u,v)),
    file('BOO009-1.p',unknown),
    [] ).

cnf(6,axiom,
    sum__dfg(additive_identity,u,u),
    file('BOO009-1.p',unknown),
    [] ).

cnf(7,axiom,
    sum__dfg(u,additive_identity,u),
    file('BOO009-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ sum__dfg(u,v,w)
    | ~ sum__dfg(x,y,z)
    | ~ product(y,x1,v)
    | ~ product(x,x1,u)
    | product(z,x1,w) ),
    file('BOO009-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ sum__dfg(u,v,w)
    | ~ product(x,y,v)
    | ~ sum__dfg(u,y,z)
    | ~ sum__dfg(u,x,x1)
    | product(x1,z,w) ),
    file('BOO009-1.p',unknown),
    [] ).

cnf(20,axiom,
    product(inverse(u),u,additive_identity),
    file('BOO009-1.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ product(u,v,w)
    | ~ product(u,v,x)
    | equal(x,w) ),
    file('BOO009-1.p',unknown),
    [] ).

cnf(43,plain,
    ( ~ product(inverse(u),u,v)
    | equal(v,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[20,23]),
    [iquote('0:Res:20.0,23.0')] ).

cnf(80,plain,
    ( ~ sum__dfg(u,v,w)
    | ~ product(v,x,y)
    | ~ product(u,x,additive_identity)
    | product(w,x,y) ),
    inference(res,[status(thm),theory(equality)],[6,13]),
    [iquote('0:Res:6.0,13.0')] ).

cnf(164,plain,
    ( ~ product(u,v,additive_identity)
    | ~ sum__dfg(w,v,x)
    | ~ sum__dfg(w,u,y)
    | product(y,x,w) ),
    inference(res,[status(thm),theory(equality)],[7,14]),
    [iquote('0:Res:7.0,14.0')] ).

cnf(481,plain,
    ( ~ product(additive_identity,u,v)
    | ~ product(w,u,additive_identity)
    | product(w,u,v) ),
    inference(res,[status(thm),theory(equality)],[7,80]),
    [iquote('0:Res:7.0,80.0')] ).

cnf(832,plain,
    ( ~ product(u,v,additive_identity)
    | product(u,v,multiply(additive_identity,v)) ),
    inference(res,[status(thm),theory(equality)],[3,481]),
    [iquote('0:Res:3.0,481.0')] ).

cnf(860,plain,
    ( ~ product(inverse(u),u,additive_identity)
    | equal(multiply(additive_identity,u),additive_identity) ),
    inference(res,[status(thm),theory(equality)],[832,43]),
    [iquote('0:Res:832.1,43.0')] ).

cnf(869,plain,
    equal(multiply(additive_identity,u),additive_identity),
    inference(mrr,[status(thm)],[860,20]),
    [iquote('0:MRR:860.0,20.0')] ).

cnf(892,plain,
    product(additive_identity,u,additive_identity),
    inference(spr,[status(thm),theory(equality)],[869,3]),
    [iquote('0:SpR:869.0,3.0')] ).

cnf(931,plain,
    ( ~ sum__dfg(u,v,w)
    | ~ sum__dfg(u,additive_identity,x)
    | product(x,w,u) ),
    inference(res,[status(thm),theory(equality)],[892,164]),
    [iquote('0:Res:892.0,164.0')] ).

cnf(1932,plain,
    ( ~ sum__dfg(u,additive_identity,v)
    | product(v,add(u,w),u) ),
    inference(res,[status(thm),theory(equality)],[2,931]),
    [iquote('0:Res:2.0,931.0')] ).

cnf(2157,plain,
    ~ sum__dfg(x__dfg,additive_identity,x__dfg),
    inference(res,[status(thm),theory(equality)],[1932,1]),
    [iquote('0:Res:1932.1,1.0')] ).

cnf(2184,plain,
    $false,
    inference(mrr,[status(thm)],[2157,7]),
    [iquote('0:MRR:2157.0,7.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : BOO009-1 : TPTP v8.1.0. Released v1.0.0.
% 0.04/0.13  % Command  : run_spass %d %s
% 0.13/0.35  % Computer : n029.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Wed Jun  1 21:31:46 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.66/0.82  
% 0.66/0.82  SPASS V 3.9 
% 0.66/0.82  SPASS beiseite: Proof found.
% 0.66/0.82  % SZS status Theorem
% 0.66/0.82  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.66/0.82  SPASS derived 1778 clauses, backtracked 0 clauses, performed 0 splits and kept 617 clauses.
% 0.66/0.82  SPASS allocated 64514 KBytes.
% 0.66/0.82  SPASS spent	0:00:00.46 on the problem.
% 0.66/0.82  		0:00:00.04 for the input.
% 0.66/0.82  		0:00:00.00 for the FLOTTER CNF translation.
% 0.66/0.82  		0:00:00.03 for inferences.
% 0.66/0.82  		0:00:00.00 for the backtracking.
% 0.66/0.82  		0:00:00.37 for the reduction.
% 0.66/0.82  
% 0.66/0.82  
% 0.66/0.82  Here is a proof with depth 8, length 21 :
% 0.66/0.82  % SZS output start Refutation
% See solution above
% 0.66/0.82  Formulae used in the proof : prove_equations closure_of_addition closure_of_multiplication additive_identity1 additive_identity2 distributivity4 distributivity5 multiplicative_inverse1 multiplication_is_well_defined
% 0.66/0.82  
%------------------------------------------------------------------------------