TSTP Solution File: PUZ025-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : PUZ025-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n021.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 18:27:18 EDT 2022

% Result   : Unsatisfiable 0.12s 0.40s
% Output   : Refutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   15 (   6 unt;   3 nHn;  15 RR)
%            Number of literals    :   34 (   0 equ;  21 neg)
%            Maximal clause size   :    4 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 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(8,axiom,
    ( ~ a_truth(u)
    | ~ a_truth(truthteller(v))
    | ~ ask_1_if_2(v,u)
    | answer(yes) ),
    file('PUZ025-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ ask_1_if_2(u,v)
    | ~ a_truth(truthteller(u))
    | a_truth(v)
    | answer(no) ),
    file('PUZ025-1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ a_truth(u)
    | ~ a_truth(liar(v))
    | ~ ask_1_if_2(v,u)
    | answer(no) ),
    file('PUZ025-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ ask_1_if_2(u,v)
    | ~ a_truth(liar(u))
    | a_truth(v)
    | answer(yes) ),
    file('PUZ025-1.p',unknown),
    [] ).

cnf(17,axiom,
    ask_1_if_2(c,equal_type(a,b)),
    file('PUZ025-1.p',unknown),
    [] ).

cnf(18,axiom,
    ~ answer(u),
    file('PUZ025-1.p',unknown),
    [] ).

cnf(19,axiom,
    ( a_truth(liar(u))
    | a_truth(truthteller(u)) ),
    file('PUZ025-1.p',unknown),
    [] ).

cnf(25,plain,
    ( ~ ask_1_if_2(u,v)
    | ~ a_truth(liar(u))
    | a_truth(v) ),
    inference(mrr,[status(thm)],[11,18]),
    [iquote('0:MRR:11.3,18.0')] ).

cnf(26,plain,
    ( ~ ask_1_if_2(u,v)
    | ~ a_truth(truthteller(u))
    | a_truth(v) ),
    inference(mrr,[status(thm)],[9,18]),
    [iquote('0:MRR:9.3,18.0')] ).

cnf(27,plain,
    ( ~ a_truth(liar(u))
    | ~ ask_1_if_2(u,v) ),
    inference(mrr,[status(thm)],[10,25,18]),
    [iquote('0:MRR:10.0,10.3,25.2,18.0')] ).

cnf(28,plain,
    ( ~ a_truth(truthteller(u))
    | ~ ask_1_if_2(u,v) ),
    inference(mrr,[status(thm)],[8,26,18]),
    [iquote('0:MRR:8.0,8.3,26.2,18.0')] ).

cnf(29,plain,
    ~ a_truth(liar(c)),
    inference(res,[status(thm),theory(equality)],[17,27]),
    [iquote('0:Res:17.0,27.1')] ).

cnf(30,plain,
    ~ a_truth(truthteller(c)),
    inference(res,[status(thm),theory(equality)],[17,28]),
    [iquote('0:Res:17.0,28.1')] ).

cnf(47,plain,
    a_truth(truthteller(c)),
    inference(res,[status(thm),theory(equality)],[19,29]),
    [iquote('0:Res:19.0,29.0')] ).

cnf(48,plain,
    $false,
    inference(mrr,[status(thm)],[47,30]),
    [iquote('0:MRR:47.0,30.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.11  % Problem  : PUZ025-1 : TPTP v8.1.0. Released v1.0.0.
% 0.09/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n021.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 22:57:57 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.40  
% 0.12/0.40  SPASS V 3.9 
% 0.12/0.40  SPASS beiseite: Proof found.
% 0.12/0.40  % SZS status Theorem
% 0.12/0.40  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.12/0.40  SPASS derived 3 clauses, backtracked 0 clauses, performed 0 splits and kept 27 clauses.
% 0.12/0.40  SPASS allocated 75610 KBytes.
% 0.12/0.40  SPASS spent	0:00:00.06 on the problem.
% 0.12/0.40  		0:00:00.03 for the input.
% 0.12/0.40  		0:00:00.00 for the FLOTTER CNF translation.
% 0.12/0.40  		0:00:00.00 for inferences.
% 0.12/0.40  		0:00:00.00 for the backtracking.
% 0.12/0.40  		0:00:00.00 for the reduction.
% 0.12/0.40  
% 0.12/0.40  
% 0.12/0.40  Here is a proof with depth 2, length 15 :
% 0.12/0.40  % SZS output start Refutation
% See solution above
% 0.12/0.40  Formulae used in the proof : truthteller_identifies_truths truthteller_denies_lies liar_denies_truths liar_supports_lies ask_c_if_a_and_b_equal prove_there_is_an_answer truthteller_or_liar
% 0.12/0.40  
%------------------------------------------------------------------------------