TSTP Solution File: KRS137+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : KRS137+1 : TPTP v8.1.0. Released v3.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n025.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  : 300s
% DateTime : Wed Jul 27 13:01:24 EDT 2022

% Result   : Theorem 1.94s 2.11s
% Output   : Refutation 1.94s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   17 (   9 unt;   3 nHn;  15 RR)
%            Number of literals    :   47 (   0 equ;  29 neg)
%            Maximal clause size   :    8 (   2 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-1 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :    6 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ cowlNothing(A),
    file('KRS137+1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ xsd_string(A)
    | ~ xsd_integer(A) ),
    file('KRS137+1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ cCar(A)
    | cAutomobile(A) ),
    file('KRS137+1.p',unknown),
    [] ).

cnf(4,axiom,
    ( cCar(A)
    | ~ cAutomobile(A) ),
    file('KRS137+1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | ~ cCar(iauto)
    | ~ cowlThing(iauto)
    | ~ cowlThing(icar)
    | ~ cAutomobile(icar) ),
    file('KRS137+1.p',unknown),
    [] ).

cnf(6,plain,
    ( ~ cowlThing(dollar_c1)
    | xsd_string(dollar_c2)
    | ~ xsd_integer(dollar_c2)
    | ~ cCar(iauto)
    | ~ cowlThing(iauto)
    | ~ cowlThing(icar)
    | ~ cAutomobile(icar) ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[5]),1]),
    [iquote('copy,5,unit_del,1')] ).

cnf(7,axiom,
    ( ~ cowlThing(dollar_c1)
    | cowlNothing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | ~ cCar(iauto)
    | ~ cowlThing(iauto)
    | ~ cowlThing(icar)
    | ~ cAutomobile(icar) ),
    file('KRS137+1.p',unknown),
    [] ).

cnf(8,plain,
    ( ~ cowlThing(dollar_c1)
    | ~ xsd_string(dollar_c2)
    | xsd_integer(dollar_c2)
    | ~ cCar(iauto)
    | ~ cowlThing(iauto)
    | ~ cowlThing(icar)
    | ~ cAutomobile(icar) ),
    inference(unit_del,[status(thm)],[inference(copy,[status(thm)],[7]),1]),
    [iquote('copy,7,unit_del,1')] ).

cnf(9,axiom,
    cowlThing(A),
    file('KRS137+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( xsd_string(A)
    | xsd_integer(A) ),
    file('KRS137+1.p',unknown),
    [] ).

cnf(11,axiom,
    cAutomobile(iauto),
    file('KRS137+1.p',unknown),
    [] ).

cnf(12,axiom,
    cCar(icar),
    file('KRS137+1.p',unknown),
    [] ).

cnf(13,plain,
    cCar(iauto),
    inference(hyper,[status(thm)],[11,4]),
    [iquote('hyper,11,4')] ).

cnf(14,plain,
    cAutomobile(icar),
    inference(hyper,[status(thm)],[12,3]),
    [iquote('hyper,12,3')] ).

cnf(15,plain,
    xsd_integer(dollar_c2),
    inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[10,8,9,13,9,9,14])]),
    [iquote('hyper,10,8,9,13,9,9,14,factor_simp')] ).

cnf(16,plain,
    xsd_string(dollar_c2),
    inference(hyper,[status(thm)],[15,6,9,13,9,9,14]),
    [iquote('hyper,15,6,9,13,9,9,14')] ).

cnf(17,plain,
    $false,
    inference(hyper,[status(thm)],[16,2,15]),
    [iquote('hyper,16,2,15')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : KRS137+1 : TPTP v8.1.0. Released v3.1.0.
% 0.07/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n025.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  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 03:39:30 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.94/2.11  ----- Otter 3.3f, August 2004 -----
% 1.94/2.11  The process was started by sandbox on n025.cluster.edu,
% 1.94/2.11  Wed Jul 27 03:39:30 2022
% 1.94/2.11  The command was "./otter".  The process ID is 27032.
% 1.94/2.11  
% 1.94/2.11  set(prolog_style_variables).
% 1.94/2.11  set(auto).
% 1.94/2.11     dependent: set(auto1).
% 1.94/2.11     dependent: set(process_input).
% 1.94/2.11     dependent: clear(print_kept).
% 1.94/2.11     dependent: clear(print_new_demod).
% 1.94/2.11     dependent: clear(print_back_demod).
% 1.94/2.11     dependent: clear(print_back_sub).
% 1.94/2.11     dependent: set(control_memory).
% 1.94/2.11     dependent: assign(max_mem, 12000).
% 1.94/2.11     dependent: assign(pick_given_ratio, 4).
% 1.94/2.11     dependent: assign(stats_level, 1).
% 1.94/2.11     dependent: assign(max_seconds, 10800).
% 1.94/2.11  clear(print_given).
% 1.94/2.11  
% 1.94/2.11  formula_list(usable).
% 1.94/2.11  all X (cowlThing(X)& -cowlNothing(X)).
% 1.94/2.11  all X (xsd_string(X)<-> -xsd_integer(X)).
% 1.94/2.11  all X (cCar(X)<->cAutomobile(X)).
% 1.94/2.11  cowlThing(iauto).
% 1.94/2.11  cAutomobile(iauto).
% 1.94/2.11  cowlThing(icar).
% 1.94/2.11  cCar(icar).
% 1.94/2.11  -((all X (cowlThing(X)& -cowlNothing(X)))& (all X (xsd_string(X)<-> -xsd_integer(X)))&cCar(iauto)&cowlThing(iauto)&cowlThing(icar)&cAutomobile(icar)).
% 1.94/2.11  end_of_list.
% 1.94/2.11  
% 1.94/2.11  -------> usable clausifies to:
% 1.94/2.11  
% 1.94/2.11  list(usable).
% 1.94/2.11  0 [] cowlThing(X).
% 1.94/2.11  0 [] -cowlNothing(X).
% 1.94/2.11  0 [] -xsd_string(X)| -xsd_integer(X).
% 1.94/2.11  0 [] xsd_string(X)|xsd_integer(X).
% 1.94/2.11  0 [] -cCar(X)|cAutomobile(X).
% 1.94/2.11  0 [] cCar(X)| -cAutomobile(X).
% 1.94/2.11  0 [] cowlThing(iauto).
% 1.94/2.11  0 [] cAutomobile(iauto).
% 1.94/2.11  0 [] cowlThing(icar).
% 1.94/2.11  0 [] cCar(icar).
% 1.94/2.11  0 [] -cowlThing($c1)|cowlNothing($c1)|xsd_string($c2)| -xsd_integer($c2)| -cCar(iauto)| -cowlThing(iauto)| -cowlThing(icar)| -cAutomobile(icar).
% 1.94/2.11  0 [] -cowlThing($c1)|cowlNothing($c1)| -xsd_string($c2)|xsd_integer($c2)| -cCar(iauto)| -cowlThing(iauto)| -cowlThing(icar)| -cAutomobile(icar).
% 1.94/2.11  end_of_list.
% 1.94/2.11  
% 1.94/2.11  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=8.
% 1.94/2.11  
% 1.94/2.11  This is a non-Horn set without equality.  The strategy will
% 1.94/2.11  be ordered hyper_res, unit deletion, and factoring, with
% 1.94/2.11  satellites in sos and with nuclei in usable.
% 1.94/2.11  
% 1.94/2.11     dependent: set(hyper_res).
% 1.94/2.11     dependent: set(factor).
% 1.94/2.11     dependent: set(unit_deletion).
% 1.94/2.11  
% 1.94/2.11  ------------> process usable:
% 1.94/2.11  ** KEPT (pick-wt=2): 1 [] -cowlNothing(A).
% 1.94/2.11  ** KEPT (pick-wt=4): 2 [] -xsd_string(A)| -xsd_integer(A).
% 1.94/2.11  ** KEPT (pick-wt=4): 3 [] -cCar(A)|cAutomobile(A).
% 1.94/2.11  ** KEPT (pick-wt=4): 4 [] cCar(A)| -cAutomobile(A).
% 1.94/2.11  ** KEPT (pick-wt=14): 6 [copy,5,unit_del,1] -cowlThing($c1)|xsd_string($c2)| -xsd_integer($c2)| -cCar(iauto)| -cowlThing(iauto)| -cowlThing(icar)| -cAutomobile(icar).
% 1.94/2.11  ** KEPT (pick-wt=14): 8 [copy,7,unit_del,1] -cowlThing($c1)| -xsd_string($c2)|xsd_integer($c2)| -cCar(iauto)| -cowlThing(iauto)| -cowlThing(icar)| -cAutomobile(icar).
% 1.94/2.11  
% 1.94/2.11  ------------> process sos:
% 1.94/2.11  ** KEPT (pick-wt=2): 9 [] cowlThing(A).
% 1.94/2.11  ** KEPT (pick-wt=4): 10 [] xsd_string(A)|xsd_integer(A).
% 1.94/2.11    Following clause subsumed by 9 during input processing: 0 [] cowlThing(iauto).
% 1.94/2.11  ** KEPT (pick-wt=2): 11 [] cAutomobile(iauto).
% 1.94/2.11    Following clause subsumed by 9 during input processing: 0 [] cowlThing(icar).
% 1.94/2.11  ** KEPT (pick-wt=2): 12 [] cCar(icar).
% 1.94/2.11  
% 1.94/2.11  ======= end of input processing =======
% 1.94/2.11  
% 1.94/2.11  =========== start of search ===========
% 1.94/2.11  
% 1.94/2.11  -------- PROOF -------- 
% 1.94/2.11  
% 1.94/2.11  -----> EMPTY CLAUSE at   0.00 sec ----> 17 [hyper,16,2,15] $F.
% 1.94/2.11  
% 1.94/2.11  Length of proof is 6.  Level of proof is 3.
% 1.94/2.11  
% 1.94/2.11  ---------------- PROOF ----------------
% 1.94/2.11  % SZS status Theorem
% 1.94/2.11  % SZS output start Refutation
% See solution above
% 1.94/2.11  ------------ end of proof -------------
% 1.94/2.11  
% 1.94/2.11  
% 1.94/2.11  Search stopped by max_proofs option.
% 1.94/2.11  
% 1.94/2.11  
% 1.94/2.11  Search stopped by max_proofs option.
% 1.94/2.11  
% 1.94/2.11  ============ end of search ============
% 1.94/2.11  
% 1.94/2.11  -------------- statistics -------------
% 1.94/2.11  clauses given                  8
% 1.94/2.11  clauses generated              8
% 1.94/2.11  clauses kept                  14
% 1.94/2.11  clauses forward subsumed       5
% 1.94/2.11  clauses back subsumed          2
% 1.94/2.11  Kbytes malloced              976
% 1.94/2.11  
% 1.94/2.11  ----------- times (seconds) -----------
% 1.94/2.11  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.94/2.11  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.94/2.11  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.94/2.11  
% 1.94/2.11  That finishes the proof of the theorem.
% 1.94/2.11  
% 1.94/2.11  Process 27032 finished Wed Jul 27 03:39:32 2022
% 1.94/2.11  Otter interrupted
% 1.94/2.11  PROOF FOUND
%------------------------------------------------------------------------------