TSTP Solution File: PUZ026-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : PUZ026-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n018.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 : Mon Jul 18 18:27:19 EDT 2022

% Result   : Unsatisfiable 0.18s 0.41s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   17
% Syntax   : Number of clauses     :   60 (  24 unt;  13 nHn;  60 RR)
%            Number of literals    :  111 (   0 equ;  63 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( a_truth(normal(u))
    | a_truth(not_normal(u)) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ a_truth(truthteller(u))
    | ~ a_truth(truthteller(v))
    | ~ people(v,u,w) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ a_truth(liar(u))
    | ~ a_truth(liar(v))
    | ~ people(v,w,u) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ a_truth(normal(u))
    | ~ a_truth(normal(v))
    | ~ people(v,u,w) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ a_truth(normal(u))
    | ~ a_truth(normal(v))
    | ~ people(v,w,u) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(10,axiom,
    people(b,c,a),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(11,axiom,
    people(c,b,a),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(12,axiom,
    a_truth(says(a,normal(a))),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(13,axiom,
    a_truth(says(b,normal(a))),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(14,axiom,
    a_truth(says(c,not_normal(c))),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ a_truth(truthteller(u))
    | ~ a_truth(normal(v))
    | ~ a_truth(liar(w)) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(16,axiom,
    ( a_truth(normal(u))
    | a_truth(liar(u))
    | a_truth(truthteller(u)) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ a_truth(normal(u))
    | ~ a_truth(truthteller(u)) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(19,axiom,
    ( ~ a_truth(normal(u))
    | ~ a_truth(liar(u)) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(20,axiom,
    ( ~ a_truth(truthteller(u))
    | ~ a_truth(says(u,v))
    | a_truth(v) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(21,axiom,
    ( ~ a_truth(u)
    | ~ a_truth(liar(v))
    | ~ a_truth(says(v,u)) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ a_truth(says(u,v))
    | a_truth(v)
    | a_truth(normal(u))
    | a_truth(liar(u)) ),
    file('PUZ026-1.p',unknown),
    [] ).

cnf(38,plain,
    ~ a_truth(normal(u)),
    inference(spt,[spt(split,[position(s1)])],[15]),
    [iquote('1:Spt:15.1')] ).

cnf(41,plain,
    ( ~ a_truth(says(u,v))
    | a_truth(v)
    | a_truth(liar(u)) ),
    inference(mrr,[status(thm)],[23,38]),
    [iquote('1:MRR:23.2,38.0')] ).

cnf(44,plain,
    ( a_truth(normal(a))
    | a_truth(liar(b)) ),
    inference(res,[status(thm),theory(equality)],[13,41]),
    [iquote('1:Res:13.0,41.0')] ).

cnf(45,plain,
    ( a_truth(normal(a))
    | a_truth(liar(a)) ),
    inference(res,[status(thm),theory(equality)],[12,41]),
    [iquote('1:Res:12.0,41.0')] ).

cnf(47,plain,
    a_truth(liar(b)),
    inference(mrr,[status(thm)],[44,38]),
    [iquote('1:MRR:44.0,38.0')] ).

cnf(48,plain,
    a_truth(liar(a)),
    inference(mrr,[status(thm)],[45,38]),
    [iquote('1:MRR:45.0,38.0')] ).

cnf(49,plain,
    ( ~ a_truth(truthteller(b))
    | a_truth(normal(a)) ),
    inference(res,[status(thm),theory(equality)],[13,20]),
    [iquote('0:Res:13.0,20.1')] ).

cnf(50,plain,
    ( ~ a_truth(truthteller(a))
    | a_truth(normal(a)) ),
    inference(res,[status(thm),theory(equality)],[12,20]),
    [iquote('0:Res:12.0,20.1')] ).

cnf(62,plain,
    ( ~ a_truth(normal(a))
    | ~ a_truth(liar(b)) ),
    inference(res,[status(thm),theory(equality)],[13,21]),
    [iquote('0:Res:13.0,21.2')] ).

cnf(63,plain,
    ( ~ a_truth(normal(a))
    | ~ a_truth(liar(a)) ),
    inference(res,[status(thm),theory(equality)],[12,21]),
    [iquote('0:Res:12.0,21.2')] ).

cnf(64,plain,
    ( ~ a_truth(not_normal(c))
    | ~ a_truth(liar(c)) ),
    inference(res,[status(thm),theory(equality)],[14,21]),
    [iquote('0:Res:14.0,21.2')] ).

cnf(66,plain,
    ( ~ a_truth(liar(a))
    | ~ a_truth(liar(b)) ),
    inference(res,[status(thm),theory(equality)],[10,6]),
    [iquote('0:Res:10.0,6.2')] ).

cnf(68,plain,
    $false,
    inference(mrr,[status(thm)],[66,48,47]),
    [iquote('1:MRR:66.0,66.1,48.0,47.0')] ).

cnf(69,plain,
    ( ~ a_truth(truthteller(u))
    | ~ a_truth(liar(v)) ),
    inference(spt,[spt(split,[position(s2)])],[15]),
    [iquote('1:Spt:68.0,15.0,15.2')] ).

cnf(70,plain,
    ~ a_truth(truthteller(a)),
    inference(mrr,[status(thm)],[50,17]),
    [iquote('0:MRR:50.1,17.0')] ).

cnf(75,plain,
    ( ~ a_truth(liar(c))
    | a_truth(normal(c)) ),
    inference(sor,[status(thm)],[64,2]),
    [iquote('0:SoR:64.0,2.1')] ).

cnf(76,plain,
    ~ a_truth(liar(c)),
    inference(mrr,[status(thm)],[75,19]),
    [iquote('0:MRR:75.1,19.0')] ).

cnf(81,plain,
    ( ~ a_truth(liar(b))
    | a_truth(truthteller(a))
    | a_truth(liar(a)) ),
    inference(sor,[status(thm)],[62,16]),
    [iquote('0:SoR:62.0,16.0')] ).

cnf(84,plain,
    ~ a_truth(liar(b)),
    inference(mrr,[status(thm)],[81,70,66]),
    [iquote('0:MRR:81.1,81.2,70.0,66.0')] ).

cnf(91,plain,
    ( ~ a_truth(truthteller(b))
    | ~ a_truth(truthteller(c)) ),
    inference(res,[status(thm),theory(equality)],[11,3]),
    [iquote('0:Res:11.0,3.2')] ).

cnf(94,plain,
    ( ~ a_truth(normal(a))
    | ~ a_truth(normal(c)) ),
    inference(res,[status(thm),theory(equality)],[11,8]),
    [iquote('0:Res:11.0,8.2')] ).

cnf(95,plain,
    ( ~ a_truth(normal(a))
    | ~ a_truth(normal(b)) ),
    inference(res,[status(thm),theory(equality)],[10,8]),
    [iquote('0:Res:10.0,8.2')] ).

cnf(97,plain,
    ( ~ a_truth(normal(c))
    | a_truth(liar(a))
    | a_truth(truthteller(a)) ),
    inference(res,[status(thm),theory(equality)],[16,94]),
    [iquote('0:Res:16.0,94.0')] ).

cnf(99,plain,
    ( ~ a_truth(normal(c))
    | a_truth(liar(a)) ),
    inference(mrr,[status(thm)],[97,70]),
    [iquote('0:MRR:97.2,70.0')] ).

cnf(100,plain,
    ( a_truth(liar(c))
    | a_truth(truthteller(c))
    | a_truth(liar(a)) ),
    inference(res,[status(thm),theory(equality)],[16,99]),
    [iquote('0:Res:16.0,99.0')] ).

cnf(101,plain,
    ( a_truth(truthteller(c))
    | a_truth(liar(a)) ),
    inference(mrr,[status(thm)],[100,76]),
    [iquote('0:MRR:100.0,76.0')] ).

cnf(102,plain,
    a_truth(truthteller(c)),
    inference(spt,[spt(split,[position(s2s1)])],[101]),
    [iquote('2:Spt:101.0')] ).

cnf(104,plain,
    ~ a_truth(truthteller(b)),
    inference(mrr,[status(thm)],[91,102]),
    [iquote('2:MRR:91.1,102.0')] ).

cnf(105,plain,
    ~ a_truth(liar(u)),
    inference(res,[status(thm),theory(equality)],[102,69]),
    [iquote('2:Res:102.0,69.0')] ).

cnf(106,plain,
    ( a_truth(normal(u))
    | a_truth(truthteller(u)) ),
    inference(mrr,[status(thm)],[16,105]),
    [iquote('2:MRR:16.1,105.0')] ).

cnf(112,plain,
    ( ~ a_truth(normal(b))
    | a_truth(truthteller(a)) ),
    inference(res,[status(thm),theory(equality)],[106,95]),
    [iquote('2:Res:106.0,95.0')] ).

cnf(113,plain,
    ~ a_truth(normal(b)),
    inference(mrr,[status(thm)],[112,70]),
    [iquote('2:MRR:112.1,70.0')] ).

cnf(120,plain,
    a_truth(truthteller(b)),
    inference(res,[status(thm),theory(equality)],[106,113]),
    [iquote('2:Res:106.0,113.0')] ).

cnf(121,plain,
    $false,
    inference(mrr,[status(thm)],[120,104]),
    [iquote('2:MRR:120.0,104.0')] ).

cnf(122,plain,
    ~ a_truth(truthteller(c)),
    inference(spt,[spt(split,[position(s2sa)])],[121,102]),
    [iquote('2:Spt:121.0,101.0,102.0')] ).

cnf(123,plain,
    a_truth(liar(a)),
    inference(spt,[spt(split,[position(s2s2)])],[101]),
    [iquote('2:Spt:121.0,101.1')] ).

cnf(124,plain,
    ~ a_truth(normal(a)),
    inference(mrr,[status(thm)],[63,123]),
    [iquote('2:MRR:63.1,123.0')] ).

cnf(125,plain,
    ~ a_truth(truthteller(b)),
    inference(mrr,[status(thm)],[49,124]),
    [iquote('2:MRR:49.1,124.0')] ).

cnf(134,plain,
    ( ~ a_truth(normal(b))
    | ~ a_truth(normal(c)) ),
    inference(res,[status(thm),theory(equality)],[11,7]),
    [iquote('0:Res:11.0,7.2')] ).

cnf(140,plain,
    ( ~ a_truth(normal(c))
    | a_truth(liar(b))
    | a_truth(truthteller(b)) ),
    inference(res,[status(thm),theory(equality)],[16,134]),
    [iquote('0:Res:16.0,134.0')] ).

cnf(141,plain,
    ~ a_truth(normal(c)),
    inference(mrr,[status(thm)],[140,84,125]),
    [iquote('2:MRR:140.1,140.2,84.0,125.0')] ).

cnf(142,plain,
    ( a_truth(liar(c))
    | a_truth(truthteller(c)) ),
    inference(res,[status(thm),theory(equality)],[16,141]),
    [iquote('2:Res:16.0,141.0')] ).

cnf(143,plain,
    $false,
    inference(mrr,[status(thm)],[142,76,122]),
    [iquote('2:MRR:142.0,142.1,76.0,122.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PUZ026-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n018.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sat May 28 19:53:10 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.18/0.41  
% 0.18/0.41  SPASS V 3.9 
% 0.18/0.41  SPASS beiseite: Proof found.
% 0.18/0.41  % SZS status Theorem
% 0.18/0.41  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.18/0.41  SPASS derived 85 clauses, backtracked 39 clauses, performed 2 splits and kept 94 clauses.
% 0.18/0.41  SPASS allocated 75664 KBytes.
% 0.18/0.41  SPASS spent	0:00:00.06 on the problem.
% 0.18/0.41  		0:00:00.03 for the input.
% 0.18/0.41  		0:00:00.00 for the FLOTTER CNF translation.
% 0.18/0.41  		0:00:00.00 for inferences.
% 0.18/0.41  		0:00:00.00 for the backtracking.
% 0.18/0.41  		0:00:00.00 for the reduction.
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  Here is a proof with depth 5, length 60 :
% 0.18/0.41  % SZS output start Refutation
% See solution above
% 0.18/0.41  Formulae used in the proof : normal_or_not_normal not_two_truthtellers1 not_two_liars2 not_two_normal1 not_two_normal2 b_c_a_are_people c_b_a_are_people a_says_a_normal b_says_a_normal c_says_c_not_normal prove_one_of_each person_is_one_type not_truthteller_and_normal not_liar_and_normal truthtellers_tell_truth liars_lie liars_and_normal_lie
% 0.18/0.41  
%------------------------------------------------------------------------------