TSTP Solution File: SWC220-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC220-1 : 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 22:02:34 EDT 2022

% Result   : Unsatisfiable 28.95s 29.16s
% Output   : Refutation 28.95s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :   19
% Syntax   : Number of clauses     :   66 (  18 unt;   9 nHn;  66 RR)
%            Number of literals    :  194 (   0 equ; 133 neg)
%            Maximal clause size   :    7 (   2 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :   15 (  15 usr;  11 con; 0-3 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ssList(sk1),
    file('SWC220-1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(sk3,sk1),
    file('SWC220-1.p',unknown),
    [] ).

cnf(7,axiom,
    ~ equal(nil,sk1),
    file('SWC220-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | ~ equal(app(app(v,cons(w,nil)),u),sk1)
    | memberP(v,sk5(u,v,w)) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | ~ equal(app(app(v,cons(w,nil)),u),sk1)
    | memberP(u,sk5(u,v,w)) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | ~ equal(app(app(v,cons(w,nil)),u),sk1)
    | leq(w,sk5(u,v,w)) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | ~ equal(app(app(v,cons(w,nil)),u),sk1)
    | ~ leq(sk5(u,v,w),w) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( equal(sk3,nil)
    | ssList(sk7) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(15,axiom,
    ( equal(sk3,nil)
    | ssList(sk8) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(16,axiom,
    ( equal(sk3,nil)
    | equal(app(app(sk7,cons(sk6,nil)),sk8),sk3) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ ssItem(u)
    | ~ memberP(sk7,u)
    | ~ memberP(sk8,u)
    | ~ leq(sk6,u)
    | equal(sk3,nil)
    | leq(u,sk6) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(64,axiom,
    ssItem(skaf44(u)),
    file('SWC220-1.p',unknown),
    [] ).

cnf(79,axiom,
    ( ~ ssItem(u)
    | leq(u,u) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(89,axiom,
    ( ~ ssList(u)
    | ssItem(v)
    | duplicatefreeP(u) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(102,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ssList(app(u,v)) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(103,axiom,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ssList(cons(v,u)) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(147,axiom,
    ( ~ ssItem(u)
    | ~ ssItem(v)
    | ~ leq(u,v)
    | ~ leq(v,u)
    | equal(u,v) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(174,axiom,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | equal(app(cons(w,v),u),cons(w,app(v,u))) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(196,axiom,
    ( ~ ssList(u)
    | ~ duplicatefreeP(u)
    | ~ ssItem(v)
    | ~ ssList(w)
    | ~ ssList(x)
    | ~ ssList(y)
    | ~ equal(app(app(w,cons(v,x)),cons(v,y)),u) ),
    file('SWC220-1.p',unknown),
    [] ).

cnf(205,plain,
    ( equal(nil,sk1)
    | ssList(sk8) ),
    inference(rew,[status(thm),theory(equality)],[6,15]),
    [iquote('0:Rew:6.0,15.0')] ).

cnf(206,plain,
    ssList(sk8),
    inference(mrr,[status(thm)],[205,7]),
    [iquote('0:MRR:205.0,7.0')] ).

cnf(207,plain,
    ( equal(nil,sk1)
    | ssList(sk7) ),
    inference(rew,[status(thm),theory(equality)],[6,14]),
    [iquote('0:Rew:6.0,14.0')] ).

cnf(208,plain,
    ssList(sk7),
    inference(mrr,[status(thm)],[207,7]),
    [iquote('0:MRR:207.0,7.0')] ).

cnf(211,plain,
    ( equal(nil,sk1)
    | equal(app(app(sk7,cons(sk6,nil)),sk8),sk1) ),
    inference(rew,[status(thm),theory(equality)],[6,16]),
    [iquote('0:Rew:6.0,16.1,6.0,16.0')] ).

cnf(212,plain,
    equal(app(app(sk7,cons(sk6,nil)),sk8),sk1),
    inference(mrr,[status(thm)],[211,7]),
    [iquote('0:MRR:211.0,7.0')] ).

cnf(213,plain,
    ( ~ ssItem(u)
    | ~ memberP(sk7,u)
    | ~ memberP(sk8,u)
    | ~ leq(sk6,u)
    | equal(nil,sk1)
    | leq(u,sk6) ),
    inference(rew,[status(thm),theory(equality)],[6,17]),
    [iquote('0:Rew:6.0,17.4')] ).

cnf(214,plain,
    ( ~ ssItem(u)
    | ~ leq(sk6,u)
    | ~ memberP(sk8,u)
    | ~ memberP(sk7,u)
    | leq(u,sk6) ),
    inference(mrr,[status(thm)],[213,7]),
    [iquote('0:MRR:213.4,7.0')] ).

cnf(542,plain,
    ( ~ ssItem(u)
    | ssList(cons(u,sk1)) ),
    inference(res,[status(thm),theory(equality)],[1,103]),
    [iquote('0:Res:1.0,103.1')] ).

cnf(599,plain,
    ssItem(u),
    inference(spt,[spt(split,[position(s1)])],[89]),
    [iquote('1:Spt:89.1')] ).

cnf(600,plain,
    leq(u,u),
    inference(mrr,[status(thm)],[79,599]),
    [iquote('1:MRR:79.0,599.0')] ).

cnf(666,plain,
    ( ~ leq(u,v)
    | ~ leq(v,u)
    | equal(u,v) ),
    inference(mrr,[status(thm)],[147,599]),
    [iquote('1:MRR:147.1,147.0,599.0')] ).

cnf(682,plain,
    ( ~ leq(sk6,u)
    | ~ memberP(sk8,u)
    | ~ memberP(sk7,u)
    | leq(u,sk6) ),
    inference(mrr,[status(thm)],[214,599]),
    [iquote('1:MRR:214.0,599.0')] ).

cnf(810,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ equal(app(app(v,cons(w,nil)),u),sk1)
    | leq(w,sk5(u,v,w)) ),
    inference(mrr,[status(thm)],[11,599]),
    [iquote('1:MRR:11.2,599.0')] ).

cnf(811,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ equal(app(app(v,cons(w,nil)),u),sk1)
    | memberP(u,sk5(u,v,w)) ),
    inference(mrr,[status(thm)],[10,599]),
    [iquote('1:MRR:10.2,599.0')] ).

cnf(812,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ equal(app(app(v,cons(w,nil)),u),sk1)
    | memberP(v,sk5(u,v,w)) ),
    inference(mrr,[status(thm)],[9,599]),
    [iquote('1:MRR:9.2,599.0')] ).

cnf(813,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ equal(app(app(v,cons(w,nil)),u),sk1)
    | ~ leq(sk5(u,v,w),w) ),
    inference(mrr,[status(thm)],[12,599]),
    [iquote('1:MRR:12.2,599.0')] ).

cnf(9013,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | ~ equal(sk1,sk1)
    | leq(sk6,sk5(sk8,sk7,sk6)) ),
    inference(spl,[status(thm),theory(equality)],[212,810]),
    [iquote('1:SpL:212.0,810.2')] ).

cnf(9016,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | leq(sk6,sk5(sk8,sk7,sk6)) ),
    inference(obv,[status(thm),theory(equality)],[9013]),
    [iquote('1:Obv:9013.2')] ).

cnf(9017,plain,
    leq(sk6,sk5(sk8,sk7,sk6)),
    inference(ssi,[status(thm)],[9016,208,206]),
    [iquote('1:SSi:9016.1,9016.0,208.0,206.0')] ).

cnf(9045,plain,
    ( ~ leq(sk5(sk8,sk7,sk6),sk6)
    | equal(sk5(sk8,sk7,sk6),sk6) ),
    inference(res,[status(thm),theory(equality)],[9017,666]),
    [iquote('1:Res:9017.0,666.0')] ).

cnf(9046,plain,
    ( ~ memberP(sk8,sk5(sk8,sk7,sk6))
    | ~ memberP(sk7,sk5(sk8,sk7,sk6))
    | leq(sk5(sk8,sk7,sk6),sk6) ),
    inference(res,[status(thm),theory(equality)],[9017,682]),
    [iquote('1:Res:9017.0,682.0')] ).

cnf(9217,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | ~ equal(sk1,sk1)
    | memberP(sk8,sk5(sk8,sk7,sk6)) ),
    inference(spl,[status(thm),theory(equality)],[212,811]),
    [iquote('1:SpL:212.0,811.2')] ).

cnf(9220,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | memberP(sk8,sk5(sk8,sk7,sk6)) ),
    inference(obv,[status(thm),theory(equality)],[9217]),
    [iquote('1:Obv:9217.2')] ).

cnf(9221,plain,
    memberP(sk8,sk5(sk8,sk7,sk6)),
    inference(ssi,[status(thm)],[9220,208,206]),
    [iquote('1:SSi:9220.1,9220.0,208.0,206.0')] ).

cnf(9222,plain,
    ( ~ memberP(sk7,sk5(sk8,sk7,sk6))
    | leq(sk5(sk8,sk7,sk6),sk6) ),
    inference(mrr,[status(thm)],[9046,9221]),
    [iquote('1:MRR:9046.0,9221.0')] ).

cnf(9295,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | ~ equal(sk1,sk1)
    | memberP(sk7,sk5(sk8,sk7,sk6)) ),
    inference(spl,[status(thm),theory(equality)],[212,812]),
    [iquote('1:SpL:212.0,812.2')] ).

cnf(9298,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | memberP(sk7,sk5(sk8,sk7,sk6)) ),
    inference(obv,[status(thm),theory(equality)],[9295]),
    [iquote('1:Obv:9295.2')] ).

cnf(10991,plain,
    memberP(sk7,sk5(sk8,sk7,sk6)),
    inference(ssi,[status(thm)],[9298,208,206]),
    [iquote('1:SSi:9298.1,9298.0,208.0,206.0')] ).

cnf(10993,plain,
    leq(sk5(sk8,sk7,sk6),sk6),
    inference(mrr,[status(thm)],[9222,10991]),
    [iquote('1:MRR:9222.0,10991.0')] ).

cnf(10994,plain,
    equal(sk5(sk8,sk7,sk6),sk6),
    inference(mrr,[status(thm)],[9045,10993]),
    [iquote('1:MRR:9045.0,10993.0')] ).

cnf(11048,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | ~ equal(sk1,sk1)
    | ~ leq(sk5(sk8,sk7,sk6),sk6) ),
    inference(spl,[status(thm),theory(equality)],[212,813]),
    [iquote('1:SpL:212.0,813.2')] ).

cnf(11063,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | ~ leq(sk5(sk8,sk7,sk6),sk6) ),
    inference(obv,[status(thm),theory(equality)],[11048]),
    [iquote('1:Obv:11048.2')] ).

cnf(11064,plain,
    ( ~ ssList(sk8)
    | ~ ssList(sk7)
    | ~ leq(sk6,sk6) ),
    inference(rew,[status(thm),theory(equality)],[10994,11063]),
    [iquote('1:Rew:10994.0,11063.2')] ).

cnf(11065,plain,
    ~ leq(sk6,sk6),
    inference(ssi,[status(thm)],[11064,208,206]),
    [iquote('1:SSi:11064.1,11064.0,208.0,206.0')] ).

cnf(11066,plain,
    $false,
    inference(mrr,[status(thm)],[11065,600]),
    [iquote('1:MRR:11065.0,600.0')] ).

cnf(11071,plain,
    ( ~ ssList(u)
    | duplicatefreeP(u) ),
    inference(spt,[spt(split,[position(s2)])],[89]),
    [iquote('1:Spt:11066.0,89.0,89.2')] ).

cnf(11100,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(w)
    | ~ ssList(x)
    | ~ ssList(y)
    | ~ equal(app(app(w,cons(v,x)),cons(v,y)),u) ),
    inference(mrr,[status(thm)],[196,11071]),
    [iquote('1:MRR:196.1,11071.1')] ).

cnf(42527,plain,
    ( ~ ssList(u)
    | ~ ssList(v)
    | ~ ssItem(w)
    | ~ ssList(cons(w,v))
    | ~ ssList(u)
    | ssList(cons(w,app(v,u))) ),
    inference(spr,[status(thm),theory(equality)],[174,102]),
    [iquote('0:SpR:174.3,102.2')] ).

cnf(42569,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(cons(v,u))
    | ~ ssList(w)
    | ssList(cons(v,app(u,w))) ),
    inference(obv,[status(thm),theory(equality)],[42527]),
    [iquote('0:Obv:42527.0')] ).

cnf(42570,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(w)
    | ssList(cons(v,app(u,w))) ),
    inference(ssi,[status(thm)],[42569,103]),
    [iquote('0:SSi:42569.2,103.2')] ).

cnf(44913,plain,
    ( ~ ssList(app(app(u,cons(v,w)),cons(v,x)))
    | ~ ssItem(v)
    | ~ ssList(u)
    | ~ ssList(w)
    | ~ ssList(x) ),
    inference(eqr,[status(thm),theory(equality)],[11100]),
    [iquote('1:EqR:11100.5')] ).

cnf(44947,plain,
    ( ~ ssItem(u)
    | ~ ssList(v)
    | ~ ssList(w)
    | ~ ssList(x) ),
    inference(ssi,[status(thm)],[44913,102,103]),
    [iquote('1:SSi:44913.0,102.2,102.2,103.2,103.2')] ).

cnf(44949,plain,
    ( ~ ssList(u)
    | ~ ssItem(v)
    | ~ ssList(w) ),
    inference(mrr,[status(thm)],[42570,44947]),
    [iquote('1:MRR:42570.3,44947.1')] ).

cnf(44952,plain,
    ( ~ ssList(u)
    | ~ ssItem(v) ),
    inference(con,[status(thm)],[44949]),
    [iquote('1:Con:44949.2')] ).

cnf(44954,plain,
    ~ ssItem(u),
    inference(mrr,[status(thm)],[542,44952]),
    [iquote('1:MRR:542.1,44952.0')] ).

cnf(44958,plain,
    $false,
    inference(unc,[status(thm)],[44954,64]),
    [iquote('1:UnC:44954.0,64.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SWC220-1 : TPTP v8.1.0. Released v2.4.0.
% 0.03/0.13  % 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 20:21:23 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 28.95/29.16  
% 28.95/29.16  SPASS V 3.9 
% 28.95/29.16  SPASS beiseite: Proof found.
% 28.95/29.16  % SZS status Theorem
% 28.95/29.16  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 28.95/29.16  SPASS derived 32221 clauses, backtracked 6534 clauses, performed 87 splits and kept 18982 clauses.
% 28.95/29.16  SPASS allocated 107150 KBytes.
% 28.95/29.16  SPASS spent	0:0:21.09 on the problem.
% 28.95/29.16  		0:00:00.05 for the input.
% 28.95/29.16  		0:00:00.00 for the FLOTTER CNF translation.
% 28.95/29.16  		0:00:00.33 for inferences.
% 28.95/29.16  		0:00:00.81 for the backtracking.
% 28.95/29.16  		0:0:19.46 for the reduction.
% 28.95/29.16  
% 28.95/29.16  
% 28.95/29.16  Here is a proof with depth 2, length 66 :
% 28.95/29.16  % SZS output start Refutation
% See solution above
% 28.95/29.16  Formulae used in the proof : co1_1 co1_6 co1_7 co1_9 co1_10 co1_11 co1_12 co1_14 co1_15 co1_16 co1_17 clause47 clause62 clause72 clause85 clause86 clause130 clause157 clause179
% 28.95/29.16  
%------------------------------------------------------------------------------