TSTP Solution File: NLP009-1 by Otter---3.3
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : NLP009-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n028.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 13:06:27 EDT 2022
% Result : Unsatisfiable 30.92s 31.12s
% Output : Refutation 30.92s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 55
% Syntax : Number of clauses : 77 ( 36 unt; 20 nHn; 76 RR)
% Number of literals : 168 ( 7 equ; 72 neg)
% Maximal clause size : 27 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of predicates : 23 ( 21 usr; 2 prp; 0-2 aty)
% Number of functors : 14 ( 14 usr; 14 con; 0-0 aty)
% Number of variables : 15 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
( ~ ssSkC0
| street(skc17) ),
file('NLP009-1.p',unknown),
[] ).
cnf(2,axiom,
( ~ ssSkC0
| way(skc17) ),
file('NLP009-1.p',unknown),
[] ).
cnf(3,axiom,
( ~ ssSkC0
| old(skc18) ),
file('NLP009-1.p',unknown),
[] ).
cnf(4,axiom,
( ~ ssSkC0
| dirty(skc18) ),
file('NLP009-1.p',unknown),
[] ).
cnf(5,axiom,
( ~ ssSkC0
| white(skc18) ),
file('NLP009-1.p',unknown),
[] ).
cnf(6,axiom,
( ~ ssSkC0
| car(skc18) ),
file('NLP009-1.p',unknown),
[] ).
cnf(7,axiom,
( ~ ssSkC0
| city(skc20) ),
file('NLP009-1.p',unknown),
[] ).
cnf(8,axiom,
( ~ ssSkC0
| young(skc14) ),
file('NLP009-1.p',unknown),
[] ).
cnf(9,axiom,
( ~ ssSkC0
| man(skc14) ),
file('NLP009-1.p',unknown),
[] ).
cnf(10,axiom,
( ~ ssSkC0
| fellow(skc15) ),
file('NLP009-1.p',unknown),
[] ).
cnf(11,axiom,
( ~ ssSkC0
| man(skc15) ),
file('NLP009-1.p',unknown),
[] ).
cnf(12,axiom,
( ~ ssSkC0
| front(skc16) ),
file('NLP009-1.p',unknown),
[] ).
cnf(13,axiom,
( ~ ssSkC0
| furniture(skc16) ),
file('NLP009-1.p',unknown),
[] ).
cnf(14,axiom,
( ~ ssSkC0
| barrel(skc19,skc18) ),
file('NLP009-1.p',unknown),
[] ).
cnf(15,axiom,
( ~ ssSkC0
| down(skc19,skc17) ),
file('NLP009-1.p',unknown),
[] ).
cnf(16,axiom,
( ~ ssSkC0
| in(skc19,skc20) ),
file('NLP009-1.p',unknown),
[] ).
cnf(17,axiom,
( ~ ssSkC0
| in(skc14,skc16) ),
file('NLP009-1.p',unknown),
[] ).
cnf(18,axiom,
( ~ ssSkC0
| in(skc15,skc16) ),
file('NLP009-1.p',unknown),
[] ).
cnf(19,axiom,
( skc22 != skc21
| ssSkC0 ),
file('NLP009-1.p',unknown),
[] ).
cnf(20,axiom,
( skc15 != skc14
| ~ ssSkC0 ),
file('NLP009-1.p',unknown),
[] ).
cnf(21,axiom,
( ~ street(A)
| ~ way(A)
| ~ lonely(A)
| ~ old(B)
| ~ dirty(B)
| ~ white(B)
| ~ car(B)
| ~ chevy(B)
| ~ event(C)
| ~ barrel(C,B)
| ~ down(C,A)
| ~ in(C,D)
| ~ city(D)
| ~ hollywood(D)
| ~ young(E)
| ~ man(E)
| ~ fellow(E)
| ~ fellow(F)
| ~ man(F)
| ~ young(F)
| ~ in(E,G)
| ~ in(F,G)
| ~ front(G)
| ~ furniture(G)
| ~ seat(G)
| ssSkC0
| F = E ),
file('NLP009-1.p',unknown),
[] ).
cnf(22,axiom,
( ~ chevy(A)
| ~ car(A)
| ~ white(A)
| ~ dirty(A)
| ~ old(A)
| ~ lonely(B)
| ~ way(B)
| ~ street(B)
| ~ event(C)
| ~ barrel(C,A)
| ~ down(C,B)
| ~ in(C,D)
| ~ city(D)
| ~ hollywood(D)
| ~ young(E)
| ~ man(E)
| ~ fellow(E)
| ~ fellow(F)
| ~ man(F)
| ~ young(F)
| ~ in(E,G)
| ~ in(F,G)
| ~ front(G)
| ~ furniture(G)
| ~ seat(G)
| ~ ssSkC0
| F = E ),
file('NLP009-1.p',unknown),
[] ).
cnf(31,axiom,
A = A,
file('NLP009-1.p',unknown),
[] ).
cnf(32,axiom,
hollywood(skc27),
file('NLP009-1.p',unknown),
[] ).
cnf(33,axiom,
event(skc26),
file('NLP009-1.p',unknown),
[] ).
cnf(34,axiom,
street(skc25),
file('NLP009-1.p',unknown),
[] ).
cnf(35,axiom,
old(skc24),
file('NLP009-1.p',unknown),
[] ).
cnf(36,axiom,
seat(skc23),
file('NLP009-1.p',unknown),
[] ).
cnf(37,axiom,
young(skc22),
file('NLP009-1.p',unknown),
[] ).
cnf(38,axiom,
fellow(skc21),
file('NLP009-1.p',unknown),
[] ).
cnf(39,axiom,
hollywood(skc20),
file('NLP009-1.p',unknown),
[] ).
cnf(40,axiom,
event(skc19),
file('NLP009-1.p',unknown),
[] ).
cnf(41,axiom,
chevy(skc18),
file('NLP009-1.p',unknown),
[] ).
cnf(42,axiom,
lonely(skc17),
file('NLP009-1.p',unknown),
[] ).
cnf(43,axiom,
seat(skc16),
file('NLP009-1.p',unknown),
[] ).
cnf(44,axiom,
young(skc15),
file('NLP009-1.p',unknown),
[] ).
cnf(45,axiom,
fellow(skc14),
file('NLP009-1.p',unknown),
[] ).
cnf(46,axiom,
( ssSkC0
| chevy(skc24) ),
file('NLP009-1.p',unknown),
[] ).
cnf(47,axiom,
( ssSkC0
| car(skc24) ),
file('NLP009-1.p',unknown),
[] ).
cnf(48,axiom,
( ssSkC0
| white(skc24) ),
file('NLP009-1.p',unknown),
[] ).
cnf(49,axiom,
( ssSkC0
| dirty(skc24) ),
file('NLP009-1.p',unknown),
[] ).
cnf(50,axiom,
( ssSkC0
| lonely(skc25) ),
file('NLP009-1.p',unknown),
[] ).
cnf(51,axiom,
( ssSkC0
| way(skc25) ),
file('NLP009-1.p',unknown),
[] ).
cnf(52,axiom,
( ssSkC0
| city(skc27) ),
file('NLP009-1.p',unknown),
[] ).
cnf(53,axiom,
( ssSkC0
| young(skc21) ),
file('NLP009-1.p',unknown),
[] ).
cnf(54,axiom,
( ssSkC0
| man(skc21) ),
file('NLP009-1.p',unknown),
[] ).
cnf(55,axiom,
( ssSkC0
| fellow(skc22) ),
file('NLP009-1.p',unknown),
[] ).
cnf(56,axiom,
( ssSkC0
| man(skc22) ),
file('NLP009-1.p',unknown),
[] ).
cnf(57,axiom,
( ssSkC0
| front(skc23) ),
file('NLP009-1.p',unknown),
[] ).
cnf(58,axiom,
( ssSkC0
| furniture(skc23) ),
file('NLP009-1.p',unknown),
[] ).
cnf(59,axiom,
( ssSkC0
| barrel(skc26,skc24) ),
file('NLP009-1.p',unknown),
[] ).
cnf(60,axiom,
( ssSkC0
| down(skc26,skc25) ),
file('NLP009-1.p',unknown),
[] ).
cnf(61,axiom,
( ssSkC0
| in(skc26,skc27) ),
file('NLP009-1.p',unknown),
[] ).
cnf(62,axiom,
( ssSkC0
| in(skc21,skc23) ),
file('NLP009-1.p',unknown),
[] ).
cnf(63,axiom,
( ssSkC0
| in(skc22,skc23) ),
file('NLP009-1.p',unknown),
[] ).
cnf(171,plain,
( ssSkC0
| skc22 = skc21 ),
inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[63,21,34,51,50,35,49,48,47,46,33,59,60,61,52,32,53,54,38,55,56,37,62,57,58,36])])])])])])])])])])])])])])])])])])]),
[iquote('hyper,63,21,34,51,50,35,49,48,47,46,33,59,60,61,52,32,53,54,38,55,56,37,62,57,58,36,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp,factor_simp')] ).
cnf(178,plain,
ssSkC0,
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[171,19])]),
[iquote('hyper,171,19,factor_simp')] ).
cnf(179,plain,
in(skc15,skc16),
inference(hyper,[status(thm)],[178,18]),
[iquote('hyper,178,18')] ).
cnf(180,plain,
in(skc14,skc16),
inference(hyper,[status(thm)],[178,17]),
[iquote('hyper,178,17')] ).
cnf(181,plain,
in(skc19,skc20),
inference(hyper,[status(thm)],[178,16]),
[iquote('hyper,178,16')] ).
cnf(182,plain,
down(skc19,skc17),
inference(hyper,[status(thm)],[178,15]),
[iquote('hyper,178,15')] ).
cnf(183,plain,
barrel(skc19,skc18),
inference(hyper,[status(thm)],[178,14]),
[iquote('hyper,178,14')] ).
cnf(184,plain,
furniture(skc16),
inference(hyper,[status(thm)],[178,13]),
[iquote('hyper,178,13')] ).
cnf(185,plain,
front(skc16),
inference(hyper,[status(thm)],[178,12]),
[iquote('hyper,178,12')] ).
cnf(186,plain,
man(skc15),
inference(hyper,[status(thm)],[178,11]),
[iquote('hyper,178,11')] ).
cnf(187,plain,
fellow(skc15),
inference(hyper,[status(thm)],[178,10]),
[iquote('hyper,178,10')] ).
cnf(188,plain,
man(skc14),
inference(hyper,[status(thm)],[178,9]),
[iquote('hyper,178,9')] ).
cnf(189,plain,
young(skc14),
inference(hyper,[status(thm)],[178,8]),
[iquote('hyper,178,8')] ).
cnf(190,plain,
city(skc20),
inference(hyper,[status(thm)],[178,7]),
[iquote('hyper,178,7')] ).
cnf(191,plain,
car(skc18),
inference(hyper,[status(thm)],[178,6]),
[iquote('hyper,178,6')] ).
cnf(192,plain,
white(skc18),
inference(hyper,[status(thm)],[178,5]),
[iquote('hyper,178,5')] ).
cnf(193,plain,
dirty(skc18),
inference(hyper,[status(thm)],[178,4]),
[iquote('hyper,178,4')] ).
cnf(194,plain,
old(skc18),
inference(hyper,[status(thm)],[178,3]),
[iquote('hyper,178,3')] ).
cnf(195,plain,
way(skc17),
inference(hyper,[status(thm)],[178,2]),
[iquote('hyper,178,2')] ).
cnf(196,plain,
street(skc17),
inference(hyper,[status(thm)],[178,1]),
[iquote('hyper,178,1')] ).
cnf(489,plain,
skc15 = skc14,
inference(hyper,[status(thm)],[183,22,41,191,192,193,194,42,195,196,40,182,181,190,39,189,188,45,187,186,44,180,179,185,184,43,178]),
[iquote('hyper,183,22,41,191,192,193,194,42,195,196,40,182,181,190,39,189,188,45,187,186,44,180,179,185,184,43,178')] ).
cnf(490,plain,
$false,
inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[20]),489]),31,178]),
[iquote('back_demod,20,demod,489,unit_del,31,178')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12 % Problem : NLP009-1 : TPTP v8.1.0. Released v2.4.0.
% 0.11/0.12 % Command : otter-tptp-script %s
% 0.12/0.33 % Computer : n028.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 09:01:34 EDT 2022
% 0.12/0.33 % CPUTime :
% 1.78/1.99 ----- Otter 3.3f, August 2004 -----
% 1.78/1.99 The process was started by sandbox on n028.cluster.edu,
% 1.78/1.99 Wed Jul 27 09:01:34 2022
% 1.78/1.99 The command was "./otter". The process ID is 19514.
% 1.78/1.99
% 1.78/1.99 set(prolog_style_variables).
% 1.78/1.99 set(auto).
% 1.78/1.99 dependent: set(auto1).
% 1.78/1.99 dependent: set(process_input).
% 1.78/1.99 dependent: clear(print_kept).
% 1.78/1.99 dependent: clear(print_new_demod).
% 1.78/1.99 dependent: clear(print_back_demod).
% 1.78/1.99 dependent: clear(print_back_sub).
% 1.78/1.99 dependent: set(control_memory).
% 1.78/1.99 dependent: assign(max_mem, 12000).
% 1.78/1.99 dependent: assign(pick_given_ratio, 4).
% 1.78/1.99 dependent: assign(stats_level, 1).
% 1.78/1.99 dependent: assign(max_seconds, 10800).
% 1.78/1.99 clear(print_given).
% 1.78/1.99
% 1.78/1.99 list(usable).
% 1.78/1.99 0 [] A=A.
% 1.78/1.99 0 [] hollywood(skc27).
% 1.78/1.99 0 [] event(skc26).
% 1.78/1.99 0 [] street(skc25).
% 1.78/1.99 0 [] old(skc24).
% 1.78/1.99 0 [] seat(skc23).
% 1.78/1.99 0 [] young(skc22).
% 1.78/1.99 0 [] fellow(skc21).
% 1.78/1.99 0 [] hollywood(skc20).
% 1.78/1.99 0 [] event(skc19).
% 1.78/1.99 0 [] chevy(skc18).
% 1.78/1.99 0 [] lonely(skc17).
% 1.78/1.99 0 [] seat(skc16).
% 1.78/1.99 0 [] young(skc15).
% 1.78/1.99 0 [] fellow(skc14).
% 1.78/1.99 0 [] ssSkC0|chevy(skc24).
% 1.78/1.99 0 [] ssSkC0|car(skc24).
% 1.78/1.99 0 [] ssSkC0|white(skc24).
% 1.78/1.99 0 [] ssSkC0|dirty(skc24).
% 1.78/1.99 0 [] ssSkC0|lonely(skc25).
% 1.78/1.99 0 [] ssSkC0|way(skc25).
% 1.78/1.99 0 [] ssSkC0|city(skc27).
% 1.78/1.99 0 [] ssSkC0|young(skc21).
% 1.78/1.99 0 [] ssSkC0|man(skc21).
% 1.78/1.99 0 [] ssSkC0|fellow(skc22).
% 1.78/1.99 0 [] ssSkC0|man(skc22).
% 1.78/1.99 0 [] ssSkC0|front(skc23).
% 1.78/1.99 0 [] ssSkC0|furniture(skc23).
% 1.78/1.99 0 [] -ssSkC0|street(skc17).
% 1.78/1.99 0 [] -ssSkC0|way(skc17).
% 1.78/1.99 0 [] -ssSkC0|old(skc18).
% 1.78/1.99 0 [] -ssSkC0|dirty(skc18).
% 1.78/1.99 0 [] -ssSkC0|white(skc18).
% 1.78/1.99 0 [] -ssSkC0|car(skc18).
% 1.78/1.99 0 [] -ssSkC0|city(skc20).
% 1.78/1.99 0 [] -ssSkC0|young(skc14).
% 1.78/1.99 0 [] -ssSkC0|man(skc14).
% 1.78/1.99 0 [] -ssSkC0|fellow(skc15).
% 1.78/1.99 0 [] -ssSkC0|man(skc15).
% 1.78/1.99 0 [] -ssSkC0|front(skc16).
% 1.78/1.99 0 [] -ssSkC0|furniture(skc16).
% 1.78/1.99 0 [] ssSkC0|barrel(skc26,skc24).
% 1.78/1.99 0 [] ssSkC0|down(skc26,skc25).
% 1.78/1.99 0 [] ssSkC0|in(skc26,skc27).
% 1.78/1.99 0 [] ssSkC0|in(skc21,skc23).
% 1.78/1.99 0 [] ssSkC0|in(skc22,skc23).
% 1.78/1.99 0 [] -ssSkC0|barrel(skc19,skc18).
% 1.78/1.99 0 [] -ssSkC0|down(skc19,skc17).
% 1.78/1.99 0 [] -ssSkC0|in(skc19,skc20).
% 1.78/1.99 0 [] -ssSkC0|in(skc14,skc16).
% 1.78/1.99 0 [] -ssSkC0|in(skc15,skc16).
% 1.78/1.99 0 [] skc22!=skc21|ssSkC0.
% 1.78/1.99 0 [] skc15!=skc14| -ssSkC0.
% 1.78/1.99 0 [] -street(U)| -way(U)| -lonely(U)| -old(V)| -dirty(V)| -white(V)| -car(V)| -chevy(V)| -event(W)| -barrel(W,V)| -down(W,U)| -in(W,X)| -city(X)| -hollywood(X)| -young(Y)| -man(Y)| -fellow(Y)| -fellow(Z)| -man(Z)| -young(Z)| -in(Y,X1)| -in(Z,X1)| -front(X1)| -furniture(X1)| -seat(X1)|ssSkC0|Z=Y.
% 1.78/1.99 0 [] -chevy(U)| -car(U)| -white(U)| -dirty(U)| -old(U)| -lonely(V)| -way(V)| -street(V)| -event(W)| -barrel(W,U)| -down(W,V)| -in(W,X)| -city(X)| -hollywood(X)| -young(Y)| -man(Y)| -fellow(Y)| -fellow(Z)| -man(Z)| -young(Z)| -in(Y,X1)| -in(Z,X1)| -front(X1)| -furniture(X1)| -seat(X1)| -ssSkC0|Z=Y.
% 1.78/1.99 end_of_list.
% 1.78/1.99
% 1.78/1.99 SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=27.
% 1.78/1.99
% 1.78/1.99 This ia a non-Horn set with equality. The strategy will be
% 1.78/1.99 Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.78/1.99 deletion, with positive clauses in sos and nonpositive
% 1.78/1.99 clauses in usable.
% 1.78/1.99
% 1.78/1.99 dependent: set(knuth_bendix).
% 1.78/1.99 dependent: set(anl_eq).
% 1.78/1.99 dependent: set(para_from).
% 1.78/1.99 dependent: set(para_into).
% 1.78/1.99 dependent: clear(para_from_right).
% 1.78/1.99 dependent: clear(para_into_right).
% 1.78/1.99 dependent: set(para_from_vars).
% 1.78/1.99 dependent: set(eq_units_both_ways).
% 1.78/1.99 dependent: set(dynamic_demod_all).
% 1.78/1.99 dependent: set(dynamic_demod).
% 1.78/1.99 dependent: set(order_eq).
% 1.78/1.99 dependent: set(back_demod).
% 1.78/1.99 dependent: set(lrpo).
% 1.78/1.99 dependent: set(hyper_res).
% 1.78/1.99 dependent: set(unit_deletion).
% 1.78/1.99 dependent: set(factor).
% 1.78/1.99
% 1.78/1.99 ------------> process usable:
% 1.78/1.99 ** KEPT (pick-wt=3): 1 [] -ssSkC0|street(skc17).
% 1.78/1.99 ** KEPT (pick-wt=3): 2 [] -ssSkC0|way(skc17).
% 1.78/1.99 ** KEPT (pick-wt=3): 3 [] -ssSkC0|old(skc18).
% 1.78/1.99 ** KEPT (pick-wt=3): 4 [] -ssSkC0|dirty(skc18).
% 1.78/1.99 ** KEPT (pick-wt=3): 5 [] -ssSkC0|white(skc18).
% 1.78/1.99 ** KEPT (pick-wt=3): 6 [] -ssSkC0|car(skc18).
% 1.78/1.99 ** KEPT (pick-wt=3): 7 [] -ssSkC0|city(skc20).
% 1.78/1.99 ** KEPT (pick-wt=3): 8 [] -ssSkC0|young(skc14).
% 1.78/1.99 ** KEPT (pick-wt=3): 9 [] -ssSkC0|man(skc14).
% 1.78/1.99 ** KEPT (pick-wt=3): 10 [] -ssSkC0|fellow(skc15).
% 1.78/1.99 ** KEPT (pick-wt=3): 11 [] -ssSkC0|man(skc15).
% 1.78/1.99 ** KEPT (pick-wt=3): 12 [] -ssSkC0|front(skc16).
% 1.78/1.99 ** KEPT (pick-wt=3): 13 [] -ssSkC0|furniture(skc16).
% 1.78/1.99 ** KEPT (pick-wt=4): 14 [] -ssSkC0|barrel(skc19,skc18).
% 1.78/1.99 ** KEPT (pick-wt=4): 15 [] -ssSkC0|down(skc19,skc17).
% 30.92/31.12 ** KEPT (pick-wt=4): 16 [] -ssSkC0|in(skc19,skc20).
% 30.92/31.12 ** KEPT (pick-wt=4): 17 [] -ssSkC0|in(skc14,skc16).
% 30.92/31.12 ** KEPT (pick-wt=4): 18 [] -ssSkC0|in(skc15,skc16).
% 30.92/31.12 ** KEPT (pick-wt=4): 19 [] skc22!=skc21|ssSkC0.
% 30.92/31.12 ** KEPT (pick-wt=4): 20 [] skc15!=skc14| -ssSkC0.
% 30.92/31.12 ** KEPT (pick-wt=59): 21 [] -street(A)| -way(A)| -lonely(A)| -old(B)| -dirty(B)| -white(B)| -car(B)| -chevy(B)| -event(C)| -barrel(C,B)| -down(C,A)| -in(C,D)| -city(D)| -hollywood(D)| -young(E)| -man(E)| -fellow(E)| -fellow(F)| -man(F)| -young(F)| -in(E,G)| -in(F,G)| -front(G)| -furniture(G)| -seat(G)|ssSkC0|F=E.
% 30.92/31.12 ** KEPT (pick-wt=59): 22 [] -chevy(A)| -car(A)| -white(A)| -dirty(A)| -old(A)| -lonely(B)| -way(B)| -street(B)| -event(C)| -barrel(C,A)| -down(C,B)| -in(C,D)| -city(D)| -hollywood(D)| -young(E)| -man(E)| -fellow(E)| -fellow(F)| -man(F)| -young(F)| -in(E,G)| -in(F,G)| -front(G)| -furniture(G)| -seat(G)| -ssSkC0|F=E.
% 30.92/31.12
% 30.92/31.12 ------------> process sos:
% 30.92/31.12 ** KEPT (pick-wt=3): 31 [] A=A.
% 30.92/31.12 ** KEPT (pick-wt=2): 32 [] hollywood(skc27).
% 30.92/31.12 ** KEPT (pick-wt=2): 33 [] event(skc26).
% 30.92/31.12 ** KEPT (pick-wt=2): 34 [] street(skc25).
% 30.92/31.12 ** KEPT (pick-wt=2): 35 [] old(skc24).
% 30.92/31.12 ** KEPT (pick-wt=2): 36 [] seat(skc23).
% 30.92/31.12 ** KEPT (pick-wt=2): 37 [] young(skc22).
% 30.92/31.12 ** KEPT (pick-wt=2): 38 [] fellow(skc21).
% 30.92/31.12 ** KEPT (pick-wt=2): 39 [] hollywood(skc20).
% 30.92/31.12 ** KEPT (pick-wt=2): 40 [] event(skc19).
% 30.92/31.12 ** KEPT (pick-wt=2): 41 [] chevy(skc18).
% 30.92/31.12 ** KEPT (pick-wt=2): 42 [] lonely(skc17).
% 30.92/31.12 ** KEPT (pick-wt=2): 43 [] seat(skc16).
% 30.92/31.12 ** KEPT (pick-wt=2): 44 [] young(skc15).
% 30.92/31.12 ** KEPT (pick-wt=2): 45 [] fellow(skc14).
% 30.92/31.12 ** KEPT (pick-wt=3): 46 [] ssSkC0|chevy(skc24).
% 30.92/31.12 ** KEPT (pick-wt=3): 47 [] ssSkC0|car(skc24).
% 30.92/31.12 ** KEPT (pick-wt=3): 48 [] ssSkC0|white(skc24).
% 30.92/31.12 ** KEPT (pick-wt=3): 49 [] ssSkC0|dirty(skc24).
% 30.92/31.12 ** KEPT (pick-wt=3): 50 [] ssSkC0|lonely(skc25).
% 30.92/31.12 ** KEPT (pick-wt=3): 51 [] ssSkC0|way(skc25).
% 30.92/31.12 ** KEPT (pick-wt=3): 52 [] ssSkC0|city(skc27).
% 30.92/31.12 ** KEPT (pick-wt=3): 53 [] ssSkC0|young(skc21).
% 30.92/31.12 ** KEPT (pick-wt=3): 54 [] ssSkC0|man(skc21).
% 30.92/31.12 ** KEPT (pick-wt=3): 55 [] ssSkC0|fellow(skc22).
% 30.92/31.12 ** KEPT (pick-wt=3): 56 [] ssSkC0|man(skc22).
% 30.92/31.12 ** KEPT (pick-wt=3): 57 [] ssSkC0|front(skc23).
% 30.92/31.12 ** KEPT (pick-wt=3): 58 [] ssSkC0|furniture(skc23).
% 30.92/31.12 ** KEPT (pick-wt=4): 59 [] ssSkC0|barrel(skc26,skc24).
% 30.92/31.12 ** KEPT (pick-wt=4): 60 [] ssSkC0|down(skc26,skc25).
% 30.92/31.12 ** KEPT (pick-wt=4): 61 [] ssSkC0|in(skc26,skc27).
% 30.92/31.12 ** KEPT (pick-wt=4): 62 [] ssSkC0|in(skc21,skc23).
% 30.92/31.12 ** KEPT (pick-wt=4): 63 [] ssSkC0|in(skc22,skc23).
% 30.92/31.12 Following clause subsumed by 31 during input processing: 0 [copy,31,flip.1] A=A.
% 30.92/31.12 31 back subsumes 30.
% 30.92/31.12 31 back subsumes 29.
% 30.92/31.12 31 back subsumes 28.
% 30.92/31.12 31 back subsumes 25.
% 30.92/31.12
% 30.92/31.12 ======= end of input processing =======
% 30.92/31.12
% 30.92/31.12 =========== start of search ===========
% 30.92/31.12
% 30.92/31.12 -- HEY sandbox, WE HAVE A PROOF!! --
% 30.92/31.12
% 30.92/31.12 -----> EMPTY CLAUSE at 29.13 sec ----> 490 [back_demod,20,demod,489,unit_del,31,178] $F.
% 30.92/31.12
% 30.92/31.12 Length of proof is 21. Level of proof is 4.
% 30.92/31.12
% 30.92/31.12 ---------------- PROOF ----------------
% 30.92/31.12 % SZS status Unsatisfiable
% 30.92/31.12 % SZS output start Refutation
% See solution above
% 30.92/31.12 ------------ end of proof -------------
% 30.92/31.12
% 30.92/31.12
% 30.92/31.12 Search stopped by max_proofs option.
% 30.92/31.12
% 30.92/31.12
% 30.92/31.12 Search stopped by max_proofs option.
% 30.92/31.12
% 30.92/31.12 ============ end of search ============
% 30.92/31.12
% 30.92/31.12 -------------- statistics -------------
% 30.92/31.12 clauses given 58
% 30.92/31.12 clauses generated 6301
% 30.92/31.12 clauses kept 488
% 30.92/31.12 clauses forward subsumed 5576
% 30.92/31.12 clauses back subsumed 358
% 30.92/31.12 Kbytes malloced 1953
% 30.92/31.12
% 30.92/31.12 ----------- times (seconds) -----------
% 30.92/31.12 user CPU time 29.13 (0 hr, 0 min, 29 sec)
% 30.92/31.12 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 30.92/31.12 wall-clock time 30 (0 hr, 0 min, 30 sec)
% 30.92/31.12
% 30.92/31.12 That finishes the proof of the theorem.
% 30.92/31.12
% 30.92/31.12 Process 19514 finished Wed Jul 27 09:02:04 2022
% 30.92/31.12 Otter interrupted
% 30.92/31.12 PROOF FOUND
%------------------------------------------------------------------------------