TSTP Solution File: SWC024-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC024-1 : TPTP v8.1.0. Released v2.4.0.
% 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 : Tue Jul 19 22:01:10 EDT 2022

% Result   : Unsatisfiable 2.73s 2.98s
% Output   : Refutation 2.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   23
% Syntax   : Number of clauses     :   44 (  25 unt;   1 nHn;  44 RR)
%            Number of literals    :   83 (   0 equ;  47 neg)
%            Maximal clause size   :    5 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   12 (  11 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   9 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ssList(sk1),
    file('SWC024-1.p',unknown),
    [] ).

cnf(2,axiom,
    ssList(sk2),
    file('SWC024-1.p',unknown),
    [] ).

cnf(5,axiom,
    equal(sk4,sk2),
    file('SWC024-1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(sk3,sk1),
    file('SWC024-1.p',unknown),
    [] ).

cnf(7,axiom,
    neq(sk2,nil),
    file('SWC024-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ ssList(u)
    | ~ neq(u,nil)
    | ~ frontsegP(sk1,u)
    | ~ frontsegP(sk2,u) ),
    file('SWC024-1.p',unknown),
    [] ).

cnf(9,axiom,
    ssList(sk5),
    file('SWC024-1.p',unknown),
    [] ).

cnf(10,axiom,
    equal(app(sk3,sk5),sk4),
    file('SWC024-1.p',unknown),
    [] ).

cnf(11,axiom,
    equalelemsP(sk3),
    file('SWC024-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ equal(nil,sk3)
    | equal(sk4,nil) ),
    file('SWC024-1.p',unknown),
    [] ).

cnf(14,axiom,
    equalelemsP(nil),
    file('SWC024-1.p',unknown),
    [] ).

cnf(15,axiom,
    duplicatefreeP(nil),
    file('SWC024-1.p',unknown),
    [] ).

cnf(16,axiom,
    strictorderedP(nil),
    file('SWC024-1.p',unknown),
    [] ).

cnf(17,axiom,
    totalorderedP(nil),
    file('SWC024-1.p',unknown),
    [] ).

cnf(18,axiom,
    strictorderP(nil),
    file('SWC024-1.p',unknown),
    [] ).

cnf(19,axiom,
    totalorderP(nil),
    file('SWC024-1.p',unknown),
    [] ).

cnf(20,axiom,
    cyclefreeP(nil),
    file('SWC024-1.p',unknown),
    [] ).

cnf(21,axiom,
    ssList(nil),
    file('SWC024-1.p',unknown),
    [] ).

cnf(74,axiom,
    ( ~ ssList(u)
    | frontsegP(u,u) ),
    file('SWC024-1.p',unknown),
    [] ).

cnf(96,axiom,
    ( ~ ssList(u)
    | ~ equal(nil,u)
    | frontsegP(nil,u) ),
    file('SWC024-1.p',unknown),
    [] ).

cnf(113,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | equal(u,v)
    | neq(u,v) ),
    file('SWC024-1.p',unknown),
    [] ).

cnf(131,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ equal(app(u,v),nil)
    | equal(nil,u) ),
    file('SWC024-1.p',unknown),
    [] ).

cnf(150,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssList(w)
    | ~ frontsegP(u,v)
    | frontsegP(app(u,w),v) ),
    file('SWC024-1.p',unknown),
    [] ).

cnf(199,plain,
    equalelemsP(sk1),
    inference(rew,[status(thm),theory(equality)],[6,11]),
    [iquote('0:Rew:6.0,11.0')] ).

cnf(202,plain,
    equal(app(sk1,sk5),sk2),
    inference(rew,[status(thm),theory(equality)],[6,10,5]),
    [iquote('0:Rew:6.0,10.0,5.0,10.0')] ).

cnf(203,plain,
    ( ~ equal(nil,sk1)
    | equal(nil,sk2) ),
    inference(rew,[status(thm),theory(equality)],[5,13,6]),
    [iquote('0:Rew:5.0,13.1,6.0,13.0')] ).

cnf(435,plain,
    ( ~ neq(sk2,nil)
    | ~ frontsegP(sk2,sk2)
    | ~ frontsegP(sk1,sk2) ),
    inference(res,[status(thm),theory(equality)],[2,8]),
    [iquote('0:Res:2.0,8.0')] ).

cnf(456,plain,
    ( ~ equal(nil,sk2)
    | frontsegP(nil,sk2) ),
    inference(res,[status(thm),theory(equality)],[2,96]),
    [iquote('0:Res:2.0,96.0')] ).

cnf(471,plain,
    frontsegP(sk2,sk2),
    inference(res,[status(thm),theory(equality)],[2,74]),
    [iquote('0:Res:2.0,74.0')] ).

cnf(557,plain,
    ~ frontsegP(sk1,sk2),
    inference(mrr,[status(thm)],[435,7,471]),
    [iquote('0:MRR:435.0,435.1,7.0,471.0')] ).

cnf(2362,plain,
    ( ~ ssList(sk1)
    | ~ ssList(sk5)
    | ~ equal(nil,sk2)
    | equal(nil,sk1) ),
    inference(spl,[status(thm),theory(equality)],[202,131]),
    [iquote('0:SpL:202.0,131.2')] ).

cnf(3754,plain,
    ( ~ ssList(sk1)
    | ~ ssList(u)
    | ~ ssList(sk5)
    | ~ frontsegP(sk1,u)
    | frontsegP(sk2,u) ),
    inference(spr,[status(thm),theory(equality)],[202,150]),
    [iquote('0:SpR:202.0,150.4')] ).

cnf(4420,plain,
    ( ~ ssList(u)
    | ~ frontsegP(sk1,u)
    | frontsegP(sk2,u) ),
    inference(ssi,[status(thm)],[3754,9,199,1]),
    [iquote('0:SSi:3754.2,3754.0,9.0,199.0,1.0')] ).

cnf(4421,plain,
    ( ~ ssList(u)
    | ~ neq(u,nil)
    | ~ frontsegP(sk1,u) ),
    inference(mrr,[status(thm)],[8,4420]),
    [iquote('0:MRR:8.3,4420.2')] ).

cnf(4487,plain,
    ( ~ ssList(sk1)
    | ~ ssList(sk1)
    | ~ neq(sk1,nil) ),
    inference(res,[status(thm),theory(equality)],[74,4421]),
    [iquote('0:Res:74.1,4421.2')] ).

cnf(4489,plain,
    ( ~ ssList(sk1)
    | ~ neq(sk1,nil) ),
    inference(obv,[status(thm),theory(equality)],[4487]),
    [iquote('0:Obv:4487.0')] ).

cnf(4490,plain,
    ~ neq(sk1,nil),
    inference(ssi,[status(thm)],[4489,199,1]),
    [iquote('0:SSi:4489.0,199.0,1.0')] ).

cnf(4497,plain,
    ( ~ equal(nil,sk2)
    | equal(nil,sk1) ),
    inference(ssi,[status(thm)],[2362,9,199,1]),
    [iquote('0:SSi:2362.1,2362.0,9.0,199.0,1.0')] ).

cnf(4499,plain,
    ( ~ equal(nil,sk2)
    | frontsegP(sk1,sk2) ),
    inference(rew,[status(thm),theory(equality)],[4497,456]),
    [iquote('0:Rew:4497.1,456.1')] ).

cnf(4502,plain,
    ~ equal(nil,sk2),
    inference(mrr,[status(thm)],[4499,557]),
    [iquote('0:MRR:4499.1,557.0')] ).

cnf(4508,plain,
    ~ equal(nil,sk1),
    inference(mrr,[status(thm)],[203,4502]),
    [iquote('0:MRR:203.1,4502.0')] ).

cnf(7019,plain,
    ( ~ ssList(sk1)
    | ~ ssList(nil)
    | equal(nil,sk1) ),
    inference(res,[status(thm),theory(equality)],[113,4490]),
    [iquote('0:Res:113.3,4490.0')] ).

cnf(7020,plain,
    equal(nil,sk1),
    inference(ssi,[status(thm)],[7019,21,20,19,18,17,16,15,14,199,1]),
    [iquote('0:SSi:7019.1,7019.0,21.0,20.0,19.0,18.0,17.0,16.0,15.0,14.0,199.0,1.0')] ).

cnf(7021,plain,
    $false,
    inference(mrr,[status(thm)],[7020,4508]),
    [iquote('0:MRR:7020.0,4508.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWC024-1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n007.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 : Sun Jun 12 15:38:08 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 2.73/2.98  
% 2.73/2.98  SPASS V 3.9 
% 2.73/2.98  SPASS beiseite: Proof found.
% 2.73/2.98  % SZS status Theorem
% 2.73/2.98  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 2.73/2.98  SPASS derived 4874 clauses, backtracked 3487 clauses, performed 102 splits and kept 6505 clauses.
% 2.73/2.98  SPASS allocated 80525 KBytes.
% 2.73/2.98  SPASS spent	0:00:02.53 on the problem.
% 2.73/2.98  		0:00:00.04 for the input.
% 2.73/2.98  		0:00:00.00 for the FLOTTER CNF translation.
% 2.73/2.98  		0:00:00.03 for inferences.
% 2.73/2.98  		0:00:00.06 for the backtracking.
% 2.73/2.98  		0:00:02.20 for the reduction.
% 2.73/2.98  
% 2.73/2.98  
% 2.73/2.98  Here is a proof with depth 2, length 44 :
% 2.73/2.98  % SZS output start Refutation
% See solution above
% 2.73/2.98  Formulae used in the proof : co1_1 co1_2 co1_5 co1_6 co1_7 co1_8 co1_9 co1_10 co1_11 co1_13 clause1 clause2 clause3 clause4 clause5 clause6 clause7 clause8 clause61 clause83 clause100 clause118 clause137
% 2.73/2.98  
%------------------------------------------------------------------------------