TSTP Solution File: BOO017-2 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : BOO017-2 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n017.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 23:49:27 EDT 2022

% Result   : Unsatisfiable 0.19s 0.47s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   17 (  17 unt;   0 nHn;  17 RR)
%            Number of literals    :   17 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    2 (   1 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,
    equal(add(x__dfg,y__dfg),z__dfg),
    file('BOO017-2.p',unknown),
    [] ).

cnf(2,axiom,
    ~ equal(multiply(x__dfg,z__dfg),x__dfg),
    file('BOO017-2.p',unknown),
    [] ).

cnf(3,axiom,
    equal(add(u,v),add(v,u)),
    file('BOO017-2.p',unknown),
    [] ).

cnf(4,axiom,
    equal(multiply(u,v),multiply(v,u)),
    file('BOO017-2.p',unknown),
    [] ).

cnf(6,axiom,
    equal(multiply(add(u,v),add(u,w)),add(u,multiply(v,w))),
    file('BOO017-2.p',unknown),
    [] ).

cnf(8,axiom,
    equal(add(multiply(u,v),multiply(u,w)),multiply(u,add(v,w))),
    file('BOO017-2.p',unknown),
    [] ).

cnf(11,axiom,
    equal(multiply(u,inverse(u)),additive_identity),
    file('BOO017-2.p',unknown),
    [] ).

cnf(15,axiom,
    equal(add(u,additive_identity),u),
    file('BOO017-2.p',unknown),
    [] ).

cnf(16,axiom,
    equal(add(additive_identity,u),u),
    file('BOO017-2.p',unknown),
    [] ).

cnf(185,plain,
    equal(multiply(u,add(v,inverse(u))),add(multiply(u,v),additive_identity)),
    inference(spr,[status(thm),theory(equality)],[11,8]),
    [iquote('0:SpR:11.0,8.0')] ).

cnf(208,plain,
    equal(multiply(u,add(v,inverse(u))),multiply(u,v)),
    inference(rew,[status(thm),theory(equality)],[16,185,3]),
    [iquote('0:Rew:16.0,185.0,3.0,185.0')] ).

cnf(262,plain,
    equal(multiply(u,inverse(u)),multiply(u,additive_identity)),
    inference(spr,[status(thm),theory(equality)],[16,208]),
    [iquote('0:SpR:16.0,208.0')] ).

cnf(271,plain,
    equal(multiply(u,additive_identity),additive_identity),
    inference(rew,[status(thm),theory(equality)],[11,262]),
    [iquote('0:Rew:11.0,262.0')] ).

cnf(341,plain,
    equal(multiply(add(u,v),u),add(u,multiply(v,additive_identity))),
    inference(spr,[status(thm),theory(equality)],[15,6]),
    [iquote('0:SpR:15.0,6.0')] ).

cnf(363,plain,
    equal(multiply(u,add(u,v)),u),
    inference(rew,[status(thm),theory(equality)],[4,341,15,271]),
    [iquote('0:Rew:4.0,341.0,15.0,341.0,271.0,341.0')] ).

cnf(659,plain,
    equal(multiply(x__dfg,z__dfg),x__dfg),
    inference(spr,[status(thm),theory(equality)],[1,363]),
    [iquote('0:SpR:1.0,363.0')] ).

cnf(670,plain,
    $false,
    inference(mrr,[status(thm)],[659,2]),
    [iquote('0:MRR:659.0,2.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : BOO017-2 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n017.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Wed Jun  1 19:51:57 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.47  
% 0.19/0.47  SPASS V 3.9 
% 0.19/0.47  SPASS beiseite: Proof found.
% 0.19/0.47  % SZS status Theorem
% 0.19/0.47  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.19/0.47  SPASS derived 423 clauses, backtracked 0 clauses, performed 0 splits and kept 153 clauses.
% 0.19/0.47  SPASS allocated 63704 KBytes.
% 0.19/0.47  SPASS spent	0:00:00.12 on the problem.
% 0.19/0.47  		0:00:00.03 for the input.
% 0.19/0.47  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.47  		0:00:00.00 for inferences.
% 0.19/0.47  		0:00:00.00 for the backtracking.
% 0.19/0.47  		0:00:00.06 for the reduction.
% 0.19/0.47  
% 0.19/0.47  
% 0.19/0.47  Here is a proof with depth 2, length 17 :
% 0.19/0.47  % SZS output start Refutation
% See solution above
% 0.19/0.47  Formulae used in the proof : x_times_y prove_sum commutativity_of_add commutativity_of_multiply distributivity2 distributivity4 multiplicative_inverse1 additive_id1 additive_id2
% 0.19/0.47  
%------------------------------------------------------------------------------