TSTP Solution File: PUZ005+1 by Otter---3.3
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : PUZ005+1 : TPTP v8.1.0. Released v2.2.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n023.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 13:11:01 EDT 2022
% Result : Theorem 2.18s 2.35s
% Output : Refutation 2.18s
% Verified :
% SZS Type : Refutation
% Derivation depth : 8
% Number of leaves : 25
% Syntax : Number of clauses : 55 ( 27 unt; 10 nHn; 55 RR)
% Number of literals : 99 ( 0 equ; 39 neg)
% Maximal clause size : 5 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 10 ( 9 usr; 1 prp; 0-3 aty)
% Number of functors : 7 ( 7 usr; 6 con; 0-1 aty)
% Number of variables : 26 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
( ~ monday(A)
| day(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(2,axiom,
( ~ tuesday(A)
| day(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(3,axiom,
( ~ wednesday(A)
| day(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(4,axiom,
( ~ thursday(A)
| day(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(6,axiom,
( ~ saturday(A)
| day(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(9,axiom,
( ~ tuesday(A)
| monday(yesterday(A)) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(10,axiom,
( ~ wednesday(A)
| tuesday(yesterday(A)) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(11,axiom,
( ~ thursday(A)
| wednesday(yesterday(A)) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(15,axiom,
( ~ monday(A)
| lion_lies(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(16,axiom,
( ~ tuesday(A)
| lion_lies(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(17,axiom,
( ~ wednesday(A)
| lion_lies(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(18,axiom,
( ~ thursday(A)
| ~ lion_lies(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(24,axiom,
( ~ wednesday(A)
| ~ unicorn_lies(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(25,axiom,
( ~ thursday(A)
| unicorn_lies(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(27,axiom,
( ~ saturday(A)
| unicorn_lies(A) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(31,axiom,
( ~ day(A)
| ~ day(B)
| ~ lion_lies(A)
| ~ lies_on_one_of(a_lion,A,B)
| ~ lion_lies(B) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(33,axiom,
( ~ day(A)
| ~ day(B)
| lion_lies(A)
| lies_on_one_of(a_lion,A,B)
| ~ lion_lies(B) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(34,axiom,
( ~ day(A)
| ~ day(B)
| ~ lion_lies(A)
| lies_on_one_of(a_lion,A,B)
| lion_lies(B) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(35,axiom,
( ~ day(A)
| ~ day(B)
| ~ unicorn_lies(A)
| ~ lies_on_one_of(a_unicorn,A,B)
| ~ unicorn_lies(B) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(38,axiom,
( ~ day(A)
| ~ day(B)
| ~ unicorn_lies(A)
| lies_on_one_of(a_unicorn,A,B)
| unicorn_lies(B) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(39,axiom,
( ~ day(A)
| ~ lies_on_one_of(a_lion,A,yesterday(A))
| ~ lies_on_one_of(a_unicorn,A,yesterday(A)) ),
file('PUZ005+1.p',unknown),
[] ).
cnf(45,axiom,
tuesday(a_tuesday),
file('PUZ005+1.p',unknown),
[] ).
cnf(46,axiom,
wednesday(a_wednesday),
file('PUZ005+1.p',unknown),
[] ).
cnf(47,axiom,
thursday(a_thursday),
file('PUZ005+1.p',unknown),
[] ).
cnf(49,axiom,
saturday(a_saturday),
file('PUZ005+1.p',unknown),
[] ).
cnf(55,plain,
monday(yesterday(a_tuesday)),
inference(hyper,[status(thm)],[45,9]),
[iquote('hyper,45,9')] ).
cnf(57,plain,
lion_lies(a_wednesday),
inference(hyper,[status(thm)],[46,17]),
[iquote('hyper,46,17')] ).
cnf(58,plain,
tuesday(yesterday(a_wednesday)),
inference(hyper,[status(thm)],[46,10]),
[iquote('hyper,46,10')] ).
cnf(59,plain,
day(a_wednesday),
inference(hyper,[status(thm)],[46,3]),
[iquote('hyper,46,3')] ).
cnf(60,plain,
unicorn_lies(a_thursday),
inference(hyper,[status(thm)],[47,25]),
[iquote('hyper,47,25')] ).
cnf(61,plain,
wednesday(yesterday(a_thursday)),
inference(hyper,[status(thm)],[47,11]),
[iquote('hyper,47,11')] ).
cnf(62,plain,
day(a_thursday),
inference(hyper,[status(thm)],[47,4]),
[iquote('hyper,47,4')] ).
cnf(66,plain,
unicorn_lies(a_saturday),
inference(hyper,[status(thm)],[49,27]),
[iquote('hyper,49,27')] ).
cnf(68,plain,
day(a_saturday),
inference(hyper,[status(thm)],[49,6]),
[iquote('hyper,49,6')] ).
cnf(73,plain,
lion_lies(yesterday(a_tuesday)),
inference(hyper,[status(thm)],[55,15]),
[iquote('hyper,55,15')] ).
cnf(75,plain,
day(yesterday(a_tuesday)),
inference(hyper,[status(thm)],[55,1]),
[iquote('hyper,55,1')] ).
cnf(82,plain,
( lies_on_one_of(a_lion,a_wednesday,a_thursday)
| lion_lies(a_thursday) ),
inference(hyper,[status(thm)],[62,34,59,57]),
[iquote('hyper,62,34,59,57')] ).
cnf(100,plain,
lion_lies(yesterday(a_wednesday)),
inference(hyper,[status(thm)],[58,16]),
[iquote('hyper,58,16')] ).
cnf(102,plain,
day(yesterday(a_wednesday)),
inference(hyper,[status(thm)],[58,2]),
[iquote('hyper,58,2')] ).
cnf(127,plain,
lion_lies(yesterday(a_thursday)),
inference(hyper,[status(thm)],[61,17]),
[iquote('hyper,61,17')] ).
cnf(129,plain,
day(yesterday(a_thursday)),
inference(hyper,[status(thm)],[61,3]),
[iquote('hyper,61,3')] ).
cnf(161,plain,
( lies_on_one_of(a_lion,yesterday(a_tuesday),a_thursday)
| lion_lies(a_thursday) ),
inference(hyper,[status(thm)],[75,34,62,73]),
[iquote('hyper,75,34,62,73')] ).
cnf(180,plain,
( lies_on_one_of(a_lion,yesterday(a_wednesday),a_thursday)
| lion_lies(a_thursday) ),
inference(hyper,[status(thm)],[102,34,62,100]),
[iquote('hyper,102,34,62,100')] ).
cnf(186,plain,
( lies_on_one_of(a_unicorn,a_saturday,yesterday(a_thursday))
| unicorn_lies(yesterday(a_thursday)) ),
inference(hyper,[status(thm)],[129,38,68,66]),
[iquote('hyper,129,38,68,66')] ).
cnf(188,plain,
( lies_on_one_of(a_unicorn,a_thursday,yesterday(a_thursday))
| unicorn_lies(yesterday(a_thursday)) ),
inference(hyper,[status(thm)],[129,38,62,60]),
[iquote('hyper,129,38,62,60')] ).
cnf(196,plain,
( lies_on_one_of(a_lion,yesterday(a_thursday),a_thursday)
| lion_lies(a_thursday) ),
inference(hyper,[status(thm)],[129,34,62,127]),
[iquote('hyper,129,34,62,127')] ).
cnf(201,plain,
( lion_lies(a_thursday)
| lies_on_one_of(a_lion,a_thursday,yesterday(a_thursday)) ),
inference(hyper,[status(thm)],[129,33,62,127]),
[iquote('hyper,129,33,62,127')] ).
cnf(671,plain,
lies_on_one_of(a_lion,a_wednesday,a_thursday),
inference(hyper,[status(thm)],[82,18,47]),
[iquote('hyper,82,18,47')] ).
cnf(3216,plain,
lies_on_one_of(a_lion,yesterday(a_tuesday),a_thursday),
inference(hyper,[status(thm)],[161,31,59,62,57,671]),
[iquote('hyper,161,31,59,62,57,671')] ).
cnf(3723,plain,
lies_on_one_of(a_lion,yesterday(a_wednesday),a_thursday),
inference(hyper,[status(thm)],[180,31,75,62,73,3216]),
[iquote('hyper,180,31,75,62,73,3216')] ).
cnf(4230,plain,
lies_on_one_of(a_lion,yesterday(a_thursday),a_thursday),
inference(hyper,[status(thm)],[196,31,102,62,100,3723]),
[iquote('hyper,196,31,102,62,100,3723')] ).
cnf(4503,plain,
lies_on_one_of(a_lion,a_thursday,yesterday(a_thursday)),
inference(hyper,[status(thm)],[201,31,129,62,127,4230]),
[iquote('hyper,201,31,129,62,127,4230')] ).
cnf(5049,plain,
lies_on_one_of(a_unicorn,a_saturday,yesterday(a_thursday)),
inference(hyper,[status(thm)],[186,24,61]),
[iquote('hyper,186,24,61')] ).
cnf(5244,plain,
lies_on_one_of(a_unicorn,a_thursday,yesterday(a_thursday)),
inference(hyper,[status(thm)],[188,35,68,129,66,5049]),
[iquote('hyper,188,35,68,129,66,5049')] ).
cnf(5245,plain,
$false,
inference(hyper,[status(thm)],[5244,39,62,4503]),
[iquote('hyper,5244,39,62,4503')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11 % Problem : PUZ005+1 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.12 % Command : otter-tptp-script %s
% 0.13/0.33 % Computer : n023.cluster.edu
% 0.13/0.33 % Model : x86_64 x86_64
% 0.13/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33 % Memory : 8042.1875MB
% 0.13/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33 % CPULimit : 300
% 0.13/0.33 % WCLimit : 300
% 0.13/0.33 % DateTime : Wed Jul 27 02:09:33 EDT 2022
% 0.13/0.33 % CPUTime :
% 1.96/2.16 ----- Otter 3.3f, August 2004 -----
% 1.96/2.16 The process was started by sandbox on n023.cluster.edu,
% 1.96/2.16 Wed Jul 27 02:09:33 2022
% 1.96/2.16 The command was "./otter". The process ID is 21076.
% 1.96/2.16
% 1.96/2.16 set(prolog_style_variables).
% 1.96/2.16 set(auto).
% 1.96/2.16 dependent: set(auto1).
% 1.96/2.16 dependent: set(process_input).
% 1.96/2.16 dependent: clear(print_kept).
% 1.96/2.16 dependent: clear(print_new_demod).
% 1.96/2.16 dependent: clear(print_back_demod).
% 1.96/2.16 dependent: clear(print_back_sub).
% 1.96/2.16 dependent: set(control_memory).
% 1.96/2.16 dependent: assign(max_mem, 12000).
% 1.96/2.16 dependent: assign(pick_given_ratio, 4).
% 1.96/2.16 dependent: assign(stats_level, 1).
% 1.96/2.16 dependent: assign(max_seconds, 10800).
% 1.96/2.16 clear(print_given).
% 1.96/2.16
% 1.96/2.16 formula_list(usable).
% 1.96/2.16 monday(a_monday).
% 1.96/2.16 tuesday(a_tuesday).
% 1.96/2.16 wednesday(a_wednesday).
% 1.96/2.16 thursday(a_thursday).
% 1.96/2.16 friday(a_friday).
% 1.96/2.16 saturday(a_saturday).
% 1.96/2.16 sunday(a_sunday).
% 1.96/2.16 all X (monday(X)->day(X)).
% 1.96/2.16 all X (tuesday(X)->day(X)).
% 1.96/2.16 all X (wednesday(X)->day(X)).
% 1.96/2.16 all X (thursday(X)->day(X)).
% 1.96/2.16 all X (friday(X)->day(X)).
% 1.96/2.16 all X (saturday(X)->day(X)).
% 1.96/2.16 all X (sunday(X)->day(X)).
% 1.96/2.16 all X (monday(X)->sunday(yesterday(X))).
% 1.96/2.16 all X (tuesday(X)->monday(yesterday(X))).
% 1.96/2.16 all X (wednesday(X)->tuesday(yesterday(X))).
% 1.96/2.16 all X (thursday(X)->wednesday(yesterday(X))).
% 1.96/2.16 all X (friday(X)->thursday(yesterday(X))).
% 1.96/2.16 all X (saturday(X)->friday(yesterday(X))).
% 1.96/2.16 all X (sunday(X)->saturday(yesterday(X))).
% 1.96/2.16 all X (monday(X)->lion_lies(X)).
% 1.96/2.16 all X (tuesday(X)->lion_lies(X)).
% 1.96/2.16 all X (wednesday(X)->lion_lies(X)).
% 1.96/2.16 all X (thursday(X)-> -lion_lies(X)).
% 1.96/2.16 all X (friday(X)-> -lion_lies(X)).
% 1.96/2.16 all X (saturday(X)-> -lion_lies(X)).
% 1.96/2.16 all X (sunday(X)-> -lion_lies(X)).
% 1.96/2.16 all X (monday(X)-> -unicorn_lies(X)).
% 1.96/2.16 all X (tuesday(X)-> -unicorn_lies(X)).
% 1.96/2.16 all X (wednesday(X)-> -unicorn_lies(X)).
% 1.96/2.16 all X (thursday(X)->unicorn_lies(X)).
% 1.96/2.16 all X (friday(X)->unicorn_lies(X)).
% 1.96/2.16 all X (saturday(X)->unicorn_lies(X)).
% 1.96/2.16 all X (sunday(X)-> -unicorn_lies(X)).
% 1.96/2.16 all X (lion_lies(X)->day(X)).
% 1.96/2.16 all X (unicorn_lies(X)->day(X)).
% 1.96/2.16 all X (day(X)-> (all Y (day(Y)-> (lion_lies(X)&lies_on_one_of(a_lion,X,Y)-> -lion_lies(Y))))).
% 1.96/2.16 all X (day(X)-> (all Y (day(Y)-> (-lion_lies(X)&lies_on_one_of(a_lion,X,Y)->lion_lies(Y))))).
% 1.96/2.16 all X (day(X)-> (all Y (day(Y)-> (-lion_lies(X)& -lies_on_one_of(a_lion,X,Y)-> -lion_lies(Y))))).
% 1.96/2.16 all X (day(X)-> (all Y (day(Y)-> (lion_lies(X)& -lies_on_one_of(a_lion,X,Y)->lion_lies(Y))))).
% 1.96/2.16 all X (day(X)-> (all Y (day(Y)-> (unicorn_lies(X)&lies_on_one_of(a_unicorn,X,Y)-> -unicorn_lies(Y))))).
% 1.96/2.16 all X (day(X)-> (all Y (day(Y)-> (-unicorn_lies(X)&lies_on_one_of(a_unicorn,X,Y)->unicorn_lies(Y))))).
% 1.96/2.16 all X (day(X)-> (all Y (day(Y)-> (-unicorn_lies(X)& -lies_on_one_of(a_unicorn,X,Y)-> -unicorn_lies(Y))))).
% 1.96/2.16 all X (day(X)-> (all Y (day(Y)-> (unicorn_lies(X)& -lies_on_one_of(a_unicorn,X,Y)->unicorn_lies(Y))))).
% 1.96/2.16 -(exists X (day(X)&lies_on_one_of(a_lion,X,yesterday(X))&lies_on_one_of(a_unicorn,X,yesterday(X)))).
% 1.96/2.16 end_of_list.
% 1.96/2.16
% 1.96/2.16 -------> usable clausifies to:
% 1.96/2.16
% 1.96/2.16 list(usable).
% 1.96/2.16 0 [] monday(a_monday).
% 1.96/2.16 0 [] tuesday(a_tuesday).
% 1.96/2.16 0 [] wednesday(a_wednesday).
% 1.96/2.16 0 [] thursday(a_thursday).
% 1.96/2.16 0 [] friday(a_friday).
% 1.96/2.16 0 [] saturday(a_saturday).
% 1.96/2.16 0 [] sunday(a_sunday).
% 1.96/2.16 0 [] -monday(X)|day(X).
% 1.96/2.16 0 [] -tuesday(X)|day(X).
% 1.96/2.16 0 [] -wednesday(X)|day(X).
% 1.96/2.16 0 [] -thursday(X)|day(X).
% 1.96/2.16 0 [] -friday(X)|day(X).
% 1.96/2.16 0 [] -saturday(X)|day(X).
% 1.96/2.16 0 [] -sunday(X)|day(X).
% 1.96/2.16 0 [] -monday(X)|sunday(yesterday(X)).
% 1.96/2.16 0 [] -tuesday(X)|monday(yesterday(X)).
% 1.96/2.16 0 [] -wednesday(X)|tuesday(yesterday(X)).
% 1.96/2.16 0 [] -thursday(X)|wednesday(yesterday(X)).
% 1.96/2.16 0 [] -friday(X)|thursday(yesterday(X)).
% 1.96/2.16 0 [] -saturday(X)|friday(yesterday(X)).
% 1.96/2.16 0 [] -sunday(X)|saturday(yesterday(X)).
% 1.96/2.16 0 [] -monday(X)|lion_lies(X).
% 1.96/2.16 0 [] -tuesday(X)|lion_lies(X).
% 1.96/2.16 0 [] -wednesday(X)|lion_lies(X).
% 1.96/2.16 0 [] -thursday(X)| -lion_lies(X).
% 1.96/2.16 0 [] -friday(X)| -lion_lies(X).
% 1.96/2.16 0 [] -saturday(X)| -lion_lies(X).
% 1.96/2.16 0 [] -sunday(X)| -lion_lies(X).
% 1.96/2.16 0 [] -monday(X)| -unicorn_lies(X).
% 1.96/2.16 0 [] -tuesday(X)| -unicorn_lies(X).
% 1.96/2.16 0 [] -wednesday(X)| -unicorn_lies(X).
% 1.96/2.16 0 [] -thursday(X)|unicorn_lies(X).
% 1.96/2.16 0 [] -friday(X)|unicorn_lies(X).
% 1.96/2.16 0 [] -saturday(X)|unicorn_lies(X).
% 1.96/2.16 0 [] -sunday(X)| -unicorn_lies(X).
% 1.96/2.16 0 [] -lion_lies(X)|day(X).
% 1.96/2.16 0 [] -unicorn_lies(X)|day(X).
% 1.96/2.16 0 [] -day(X)| -day(Y)| -lion_lies(X)| -lies_on_one_of(a_lion,X,Y)| -lion_lies(Y).
% 1.96/2.16 0 [] -day(X)| -day(Y)|lion_lies(X)| -lies_on_one_of(a_lion,X,Y)|lion_lies(Y).
% 2.18/2.35 0 [] -day(X)| -day(Y)|lion_lies(X)|lies_on_one_of(a_lion,X,Y)| -lion_lies(Y).
% 2.18/2.35 0 [] -day(X)| -day(Y)| -lion_lies(X)|lies_on_one_of(a_lion,X,Y)|lion_lies(Y).
% 2.18/2.35 0 [] -day(X)| -day(Y)| -unicorn_lies(X)| -lies_on_one_of(a_unicorn,X,Y)| -unicorn_lies(Y).
% 2.18/2.35 0 [] -day(X)| -day(Y)|unicorn_lies(X)| -lies_on_one_of(a_unicorn,X,Y)|unicorn_lies(Y).
% 2.18/2.35 0 [] -day(X)| -day(Y)|unicorn_lies(X)|lies_on_one_of(a_unicorn,X,Y)| -unicorn_lies(Y).
% 2.18/2.35 0 [] -day(X)| -day(Y)| -unicorn_lies(X)|lies_on_one_of(a_unicorn,X,Y)|unicorn_lies(Y).
% 2.18/2.35 0 [] -day(X)| -lies_on_one_of(a_lion,X,yesterday(X))| -lies_on_one_of(a_unicorn,X,yesterday(X)).
% 2.18/2.35 end_of_list.
% 2.18/2.35
% 2.18/2.35 SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=5.
% 2.18/2.35
% 2.18/2.35 This is a non-Horn set without equality. The strategy will
% 2.18/2.35 be ordered hyper_res, unit deletion, and factoring, with
% 2.18/2.35 satellites in sos and with nuclei in usable.
% 2.18/2.35
% 2.18/2.35 dependent: set(hyper_res).
% 2.18/2.35 dependent: set(factor).
% 2.18/2.35 dependent: set(unit_deletion).
% 2.18/2.35
% 2.18/2.35 ------------> process usable:
% 2.18/2.35 ** KEPT (pick-wt=4): 1 [] -monday(A)|day(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 2 [] -tuesday(A)|day(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 3 [] -wednesday(A)|day(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 4 [] -thursday(A)|day(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 5 [] -friday(A)|day(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 6 [] -saturday(A)|day(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 7 [] -sunday(A)|day(A).
% 2.18/2.35 ** KEPT (pick-wt=5): 8 [] -monday(A)|sunday(yesterday(A)).
% 2.18/2.35 ** KEPT (pick-wt=5): 9 [] -tuesday(A)|monday(yesterday(A)).
% 2.18/2.35 ** KEPT (pick-wt=5): 10 [] -wednesday(A)|tuesday(yesterday(A)).
% 2.18/2.35 ** KEPT (pick-wt=5): 11 [] -thursday(A)|wednesday(yesterday(A)).
% 2.18/2.35 ** KEPT (pick-wt=5): 12 [] -friday(A)|thursday(yesterday(A)).
% 2.18/2.35 ** KEPT (pick-wt=5): 13 [] -saturday(A)|friday(yesterday(A)).
% 2.18/2.35 ** KEPT (pick-wt=5): 14 [] -sunday(A)|saturday(yesterday(A)).
% 2.18/2.35 ** KEPT (pick-wt=4): 15 [] -monday(A)|lion_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 16 [] -tuesday(A)|lion_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 17 [] -wednesday(A)|lion_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 18 [] -thursday(A)| -lion_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 19 [] -friday(A)| -lion_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 20 [] -saturday(A)| -lion_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 21 [] -sunday(A)| -lion_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 22 [] -monday(A)| -unicorn_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 23 [] -tuesday(A)| -unicorn_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 24 [] -wednesday(A)| -unicorn_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 25 [] -thursday(A)|unicorn_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 26 [] -friday(A)|unicorn_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 27 [] -saturday(A)|unicorn_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 28 [] -sunday(A)| -unicorn_lies(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 29 [] -lion_lies(A)|day(A).
% 2.18/2.35 ** KEPT (pick-wt=4): 30 [] -unicorn_lies(A)|day(A).
% 2.18/2.35 ** KEPT (pick-wt=12): 31 [] -day(A)| -day(B)| -lion_lies(A)| -lies_on_one_of(a_lion,A,B)| -lion_lies(B).
% 2.18/2.35 ** KEPT (pick-wt=12): 32 [] -day(A)| -day(B)|lion_lies(A)| -lies_on_one_of(a_lion,A,B)|lion_lies(B).
% 2.18/2.35 ** KEPT (pick-wt=12): 33 [] -day(A)| -day(B)|lion_lies(A)|lies_on_one_of(a_lion,A,B)| -lion_lies(B).
% 2.18/2.35 ** KEPT (pick-wt=12): 34 [] -day(A)| -day(B)| -lion_lies(A)|lies_on_one_of(a_lion,A,B)|lion_lies(B).
% 2.18/2.35 ** KEPT (pick-wt=12): 35 [] -day(A)| -day(B)| -unicorn_lies(A)| -lies_on_one_of(a_unicorn,A,B)| -unicorn_lies(B).
% 2.18/2.35 ** KEPT (pick-wt=12): 36 [] -day(A)| -day(B)|unicorn_lies(A)| -lies_on_one_of(a_unicorn,A,B)|unicorn_lies(B).
% 2.18/2.35 ** KEPT (pick-wt=12): 37 [] -day(A)| -day(B)|unicorn_lies(A)|lies_on_one_of(a_unicorn,A,B)| -unicorn_lies(B).
% 2.18/2.35 ** KEPT (pick-wt=12): 38 [] -day(A)| -day(B)| -unicorn_lies(A)|lies_on_one_of(a_unicorn,A,B)|unicorn_lies(B).
% 2.18/2.35 ** KEPT (pick-wt=12): 39 [] -day(A)| -lies_on_one_of(a_lion,A,yesterday(A))| -lies_on_one_of(a_unicorn,A,yesterday(A)).
% 2.18/2.35
% 2.18/2.35 ------------> process sos:
% 2.18/2.35 ** KEPT (pick-wt=2): 44 [] monday(a_monday).
% 2.18/2.35 ** KEPT (pick-wt=2): 45 [] tuesday(a_tuesday).
% 2.18/2.35 ** KEPT (pick-wt=2): 46 [] wednesday(a_wednesday).
% 2.18/2.35 ** KEPT (pick-wt=2): 47 [] thursday(a_thursday).
% 2.18/2.35 ** KEPT (pick-wt=2): 48 [] friday(a_friday).
% 2.18/2.35 ** KEPT (pick-wt=2): 49 [] saturday(a_saturday).
% 2.18/2.35 ** KEPT (pick-wt=2): 50 [] sunday(a_sunday).
% 2.18/2.35
% 2.18/2.35 ======= end of input processing =======
% 2.18/2.35
% 2.18/2.35 =========== start of search ===========
% 2.18/2.35
% 2.18/2.35 -------- PROOF --------
% 2.18/2.35
% 2.18/2.35 -----> EMPTY CLAUSE at 0.19 sec ----> 5245 [hyper,5244,39,62,4503] $F.
% 2.18/2.35
% 2.18/2.35 Length of proof is 29. Level of proof is 7.
% 2.18/2.35
% 2.18/2.35 ---------------- PROOF ----------------
% 2.18/2.35 % SZS status Theorem
% 2.18/2.35 % SZS output start Refutation
% See solution above
% 2.18/2.35 ------------ end of proof -------------
% 2.18/2.35
% 2.18/2.35
% 2.18/2.35 Search stopped by max_proofs option.
% 2.18/2.35
% 2.18/2.35
% 2.18/2.35 Search stopped by max_proofs option.
% 2.18/2.35
% 2.18/2.35 ============ end of search ============
% 2.18/2.35
% 2.18/2.35 -------------- statistics -------------
% 2.18/2.35 clauses given 328
% 2.18/2.35 clauses generated 10136
% 2.18/2.35 clauses kept 5244
% 2.18/2.35 clauses forward subsumed 4933
% 2.18/2.35 clauses back subsumed 3894
% 2.18/2.35 Kbytes malloced 2929
% 2.18/2.35
% 2.18/2.35 ----------- times (seconds) -----------
% 2.18/2.35 user CPU time 0.19 (0 hr, 0 min, 0 sec)
% 2.18/2.35 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 2.18/2.35 wall-clock time 2 (0 hr, 0 min, 2 sec)
% 2.18/2.35
% 2.18/2.35 That finishes the proof of the theorem.
% 2.18/2.35
% 2.18/2.35 Process 21076 finished Wed Jul 27 02:09:35 2022
% 2.18/2.35 Otter interrupted
% 2.18/2.35 PROOF FOUND
%------------------------------------------------------------------------------