TSTP Solution File: GRP001-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP001-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n004.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 11:44:39 EDT 2022

% Result   : Unsatisfiable 0.20s 0.49s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   25 (  12 unt;   0 nHn;  25 RR)
%            Number of literals    :   47 (   0 equ;  27 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 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,
    product(u,u,identity),
    file('GRP001-1.p',unknown),
    [] ).

cnf(2,axiom,
    product(a,b,c),
    file('GRP001-1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ product(b,a,c),
    file('GRP001-1.p',unknown),
    [] ).

cnf(4,axiom,
    product(identity,u,u),
    file('GRP001-1.p',unknown),
    [] ).

cnf(5,axiom,
    product(u,identity,u),
    file('GRP001-1.p',unknown),
    [] ).

cnf(8,axiom,
    product(u,v,multiply(u,v)),
    file('GRP001-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ product(u,v,w)
    | ~ product(u,v,x)
    | equal(x,w) ),
    file('GRP001-1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ product(u,v,w)
    | ~ product(x,v,y)
    | ~ product(z,x,u)
    | product(z,y,w) ),
    file('GRP001-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ product(u,v,w)
    | ~ product(x,y,v)
    | ~ product(u,x,z)
    | product(z,y,w) ),
    file('GRP001-1.p',unknown),
    [] ).

cnf(12,plain,
    ( ~ product(c,u,v)
    | ~ product(b,u,w)
    | product(a,w,v) ),
    inference(res,[status(thm),theory(equality)],[2,10]),
    [iquote('0:Res:2.0,10.0')] ).

cnf(13,plain,
    ( ~ product(a,u,v)
    | ~ product(b,w,u)
    | product(c,w,v) ),
    inference(res,[status(thm),theory(equality)],[2,11]),
    [iquote('0:Res:2.0,11.0')] ).

cnf(20,plain,
    ( ~ product(u,v,c)
    | ~ product(w,v,a)
    | ~ product(b,w,u) ),
    inference(res,[status(thm),theory(equality)],[10,3]),
    [iquote('0:Res:10.3,3.0')] ).

cnf(23,plain,
    ( ~ product(u,b,a)
    | ~ product(b,u,a) ),
    inference(res,[status(thm),theory(equality)],[2,20]),
    [iquote('0:Res:2.0,20.2')] ).

cnf(33,plain,
    ( ~ product(u,identity,v)
    | equal(v,u) ),
    inference(res,[status(thm),theory(equality)],[5,9]),
    [iquote('0:Res:5.0,9.0')] ).

cnf(74,plain,
    ( ~ product(u,v,w)
    | ~ product(x,u,identity)
    | product(x,w,v) ),
    inference(res,[status(thm),theory(equality)],[4,10]),
    [iquote('0:Res:4.0,10.0')] ).

cnf(119,plain,
    ( ~ product(b,u,identity)
    | product(c,u,a) ),
    inference(res,[status(thm),theory(equality)],[5,13]),
    [iquote('0:Res:5.0,13.0')] ).

cnf(128,plain,
    ( ~ product(b,b,identity)
    | ~ product(b,c,a) ),
    inference(res,[status(thm),theory(equality)],[119,23]),
    [iquote('0:Res:119.1,23.0')] ).

cnf(133,plain,
    ~ product(b,c,a),
    inference(mrr,[status(thm)],[128,1]),
    [iquote('0:MRR:128.0,1.0')] ).

cnf(136,plain,
    ( ~ product(b,c,u)
    | product(a,u,identity) ),
    inference(res,[status(thm),theory(equality)],[1,12]),
    [iquote('0:Res:1.0,12.0')] ).

cnf(163,plain,
    product(a,multiply(b,c),identity),
    inference(res,[status(thm),theory(equality)],[8,136]),
    [iquote('0:Res:8.0,136.0')] ).

cnf(330,plain,
    ( ~ product(u,v,identity)
    | product(u,identity,v) ),
    inference(res,[status(thm),theory(equality)],[1,74]),
    [iquote('0:Res:1.0,74.0')] ).

cnf(472,plain,
    product(a,identity,multiply(b,c)),
    inference(res,[status(thm),theory(equality)],[163,330]),
    [iquote('0:Res:163.0,330.0')] ).

cnf(557,plain,
    equal(multiply(b,c),a),
    inference(res,[status(thm),theory(equality)],[472,33]),
    [iquote('0:Res:472.0,33.0')] ).

cnf(580,plain,
    product(b,c,a),
    inference(spr,[status(thm),theory(equality)],[557,8]),
    [iquote('0:SpR:557.0,8.0')] ).

cnf(582,plain,
    $false,
    inference(mrr,[status(thm)],[580,133]),
    [iquote('0:MRR:580.0,133.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP001-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n004.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Tue Jun 14 04:51:24 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.20/0.49  
% 0.20/0.49  SPASS V 3.9 
% 0.20/0.49  SPASS beiseite: Proof found.
% 0.20/0.49  % SZS status Theorem
% 0.20/0.49  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.20/0.49  SPASS derived 498 clauses, backtracked 0 clauses, performed 0 splits and kept 272 clauses.
% 0.20/0.49  SPASS allocated 63474 KBytes.
% 0.20/0.49  SPASS spent	0:00:00.13 on the problem.
% 0.20/0.49  		0:00:00.03 for the input.
% 0.20/0.49  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.49  		0:00:00.01 for inferences.
% 0.20/0.49  		0:00:00.00 for the backtracking.
% 0.20/0.49  		0:00:00.07 for the reduction.
% 0.20/0.49  
% 0.20/0.49  
% 0.20/0.49  Here is a proof with depth 6, length 25 :
% 0.20/0.49  % SZS output start Refutation
% See solution above
% 0.20/0.49  Formulae used in the proof : square_element a_times_b_is_c prove_b_times_a_is_c left_identity right_identity total_function1 total_function2 associativity1 associativity2
% 0.20/0.49  
%------------------------------------------------------------------------------