TSTP Solution File: SYN036-3 by Otter---3.3
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : SYN036-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n020.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 13:23:20 EDT 2022
% Result : Unsatisfiable 1.96s 2.15s
% Output : Refutation 1.96s
% Verified :
% SZS Type : Refutation
% Derivation depth : 36
% Number of leaves : 30
% Syntax : Number of clauses : 77 ( 10 unt; 44 nHn; 55 RR)
% Number of literals : 188 ( 0 equ; 40 neg)
% Maximal clause size : 4 ( 2 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 13 ( 12 usr; 9 prp; 0-1 aty)
% Number of functors : 8 ( 8 usr; 6 con; 0-1 aty)
% Number of variables : 34 ( 24 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
( ~ n2
| ~ n9
| ~ n6
| ~ n10 ),
file('SYN036-3.p',unknown),
[] ).
cnf(5,axiom,
( ~ n2
| n9
| n6
| ~ n10 ),
file('SYN036-3.p',unknown),
[] ).
cnf(6,axiom,
( n2
| ~ n9
| ~ n6
| n10 ),
file('SYN036-3.p',unknown),
[] ).
cnf(8,axiom,
( ~ p(s8)
| n8 ),
file('SYN036-3.p',unknown),
[] ).
cnf(9,axiom,
( ~ n8
| p(A) ),
file('SYN036-3.p',unknown),
[] ).
cnf(10,axiom,
( ~ p(A)
| n7 ),
file('SYN036-3.p',unknown),
[] ).
cnf(11,axiom,
( ~ n7
| p(s7) ),
file('SYN036-3.p',unknown),
[] ).
cnf(12,axiom,
( ~ n5(A)
| n6 ),
file('SYN036-3.p',unknown),
[] ).
cnf(13,axiom,
( ~ n6
| n5(s6) ),
file('SYN036-3.p',unknown),
[] ).
cnf(14,axiom,
( ~ q(A)
| ~ q(s5(A))
| n5(A) ),
file('SYN036-3.p',unknown),
[] ).
cnf(15,axiom,
( ~ n5(A)
| ~ q(A)
| q(B) ),
file('SYN036-3.p',unknown),
[] ).
cnf(16,axiom,
( ~ n5(A)
| q(A)
| ~ q(B) ),
file('SYN036-3.p',unknown),
[] ).
cnf(17,axiom,
( ~ q(s4)
| n4 ),
file('SYN036-3.p',unknown),
[] ).
cnf(18,axiom,
( ~ n4
| q(A) ),
file('SYN036-3.p',unknown),
[] ).
cnf(19,axiom,
( ~ q(A)
| n3 ),
file('SYN036-3.p',unknown),
[] ).
cnf(20,axiom,
( ~ n3
| q(s3) ),
file('SYN036-3.p',unknown),
[] ).
cnf(21,axiom,
( ~ n1(A)
| n2 ),
file('SYN036-3.p',unknown),
[] ).
cnf(22,axiom,
( ~ n2
| n1(s2) ),
file('SYN036-3.p',unknown),
[] ).
cnf(23,axiom,
( ~ p(A)
| ~ p(s1(A))
| n1(A) ),
file('SYN036-3.p',unknown),
[] ).
cnf(24,axiom,
( ~ n1(A)
| ~ p(A)
| p(B) ),
file('SYN036-3.p',unknown),
[] ).
cnf(25,axiom,
( ~ n1(A)
| p(A)
| ~ p(B) ),
file('SYN036-3.p',unknown),
[] ).
cnf(26,axiom,
( ~ n3
| ~ n4
| n9 ),
file('SYN036-3.p',unknown),
[] ).
cnf(27,axiom,
( ~ n3
| n4
| ~ n9 ),
file('SYN036-3.p',unknown),
[] ).
cnf(29,axiom,
( ~ n7
| ~ n8
| n10 ),
file('SYN036-3.p',unknown),
[] ).
cnf(30,axiom,
( ~ n7
| n8
| ~ n10 ),
file('SYN036-3.p',unknown),
[] ).
cnf(32,axiom,
( n2
| n9
| n6
| n10 ),
file('SYN036-3.p',unknown),
[] ).
cnf(33,axiom,
( q(A)
| q(s5(A))
| n5(A) ),
file('SYN036-3.p',unknown),
[] ).
cnf(34,axiom,
( p(A)
| p(s1(A))
| n1(A) ),
file('SYN036-3.p',unknown),
[] ).
cnf(35,axiom,
( n3
| n4
| n9 ),
file('SYN036-3.p',unknown),
[] ).
cnf(36,axiom,
( n7
| n8
| n10 ),
file('SYN036-3.p',unknown),
[] ).
cnf(37,plain,
( n7
| n10
| p(A) ),
inference(hyper,[status(thm)],[36,9]),
[iquote('hyper,36,9')] ).
cnf(39,plain,
( n7
| n10 ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[37,10])]),
[iquote('hyper,37,10,factor_simp')] ).
cnf(40,plain,
( n10
| p(s7) ),
inference(hyper,[status(thm)],[39,11]),
[iquote('hyper,39,11')] ).
cnf(44,plain,
( q(A)
| n5(A)
| n3 ),
inference(hyper,[status(thm)],[33,19]),
[iquote('hyper,33,19')] ).
cnf(45,plain,
( n5(A)
| n3 ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[44,19])]),
[iquote('hyper,44,19,factor_simp')] ).
cnf(46,plain,
( n3
| n6 ),
inference(hyper,[status(thm)],[45,12]),
[iquote('hyper,45,12')] ).
cnf(47,plain,
( n3
| n2
| n10
| n4 ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[46,6,35])]),
[iquote('hyper,46,6,35,factor_simp')] ).
cnf(52,plain,
( p(A)
| n1(A)
| n7 ),
inference(hyper,[status(thm)],[34,10]),
[iquote('hyper,34,10')] ).
cnf(53,plain,
( n3
| n2
| n10
| q(A) ),
inference(hyper,[status(thm)],[47,18]),
[iquote('hyper,47,18')] ).
cnf(55,plain,
( n1(A)
| n7 ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[52,10])]),
[iquote('hyper,52,10,factor_simp')] ).
cnf(56,plain,
( n7
| n2 ),
inference(hyper,[status(thm)],[55,21]),
[iquote('hyper,55,21')] ).
cnf(60,plain,
( n3
| n2
| n10 ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[53,19])]),
[iquote('hyper,53,19,factor_simp')] ).
cnf(61,plain,
( n2
| n10
| n4
| n6 ),
inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[60,27,32])])]),
[iquote('hyper,60,27,32,factor_simp,factor_simp')] ).
cnf(62,plain,
( n2
| n10
| q(s3) ),
inference(hyper,[status(thm)],[60,20]),
[iquote('hyper,60,20')] ).
cnf(63,plain,
( n2
| n10
| n4
| n5(s6) ),
inference(hyper,[status(thm)],[61,13]),
[iquote('hyper,61,13')] ).
cnf(69,plain,
( n2
| n10
| n4
| q(s6) ),
inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[63,16,62])])]),
[iquote('hyper,63,16,62,factor_simp,factor_simp')] ).
cnf(70,plain,
( n2
| n10
| n4
| q(A) ),
inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[69,15,63])])])]),
[iquote('hyper,69,15,63,factor_simp,factor_simp,factor_simp')] ).
cnf(71,plain,
( n2
| n10
| n4 ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[70,17])]),
[iquote('hyper,70,17,factor_simp')] ).
cnf(73,plain,
( n2
| n10
| n9 ),
inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[71,26,60])])]),
[iquote('hyper,71,26,60,factor_simp,factor_simp')] ).
cnf(74,plain,
( n2
| n10
| q(A) ),
inference(hyper,[status(thm)],[71,18]),
[iquote('hyper,71,18')] ).
cnf(75,plain,
( n2
| n10
| n5(A) ),
inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[74,14,74])])]),
[iquote('hyper,74,14,74,factor_simp,factor_simp')] ).
cnf(76,plain,
( n2
| n10
| n6 ),
inference(hyper,[status(thm)],[75,12]),
[iquote('hyper,75,12')] ).
cnf(82,plain,
( n2
| n10 ),
inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[76,6,73])])])])]),
[iquote('hyper,76,6,73,factor_simp,factor_simp,factor_simp,factor_simp')] ).
cnf(83,plain,
( n10
| n1(s2) ),
inference(hyper,[status(thm)],[82,22]),
[iquote('hyper,82,22')] ).
cnf(88,plain,
( n10
| p(s2) ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[83,25,40])]),
[iquote('hyper,83,25,40,factor_simp')] ).
cnf(90,plain,
( n10
| p(A) ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[88,24,83])]),
[iquote('hyper,88,24,83,factor_simp')] ).
cnf(92,plain,
( n10
| n8 ),
inference(hyper,[status(thm)],[90,8]),
[iquote('hyper,90,8')] ).
cnf(93,plain,
n10,
inference(factor_simp,[status(thm)],[inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[92,29,39])])]),
[iquote('hyper,92,29,39,factor_simp,factor_simp')] ).
cnf(94,plain,
( n8
| n2 ),
inference(hyper,[status(thm)],[93,30,56]),
[iquote('hyper,93,30,56')] ).
cnf(97,plain,
( n2
| p(A) ),
inference(hyper,[status(thm)],[94,9]),
[iquote('hyper,94,9')] ).
cnf(98,plain,
( n2
| n1(A) ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[97,23,97])]),
[iquote('hyper,97,23,97,factor_simp')] ).
cnf(99,plain,
n2,
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[98,21])]),
[iquote('hyper,98,21,factor_simp')] ).
cnf(104,plain,
( n9
| n6 ),
inference(hyper,[status(thm)],[99,5,93]),
[iquote('hyper,99,5,93')] ).
cnf(105,plain,
( n3
| n4 ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[99,1,35,46,93])]),
[iquote('hyper,99,1,35,46,93,factor_simp')] ).
cnf(111,plain,
( n3
| q(A) ),
inference(hyper,[status(thm)],[105,18]),
[iquote('hyper,105,18')] ).
cnf(115,plain,
n3,
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[111,19])]),
[iquote('hyper,111,19,factor_simp')] ).
cnf(116,plain,
( n4
| n6 ),
inference(hyper,[status(thm)],[115,27,104]),
[iquote('hyper,115,27,104')] ).
cnf(117,plain,
q(s3),
inference(hyper,[status(thm)],[115,20]),
[iquote('hyper,115,20')] ).
cnf(118,plain,
( n4
| n5(s6) ),
inference(hyper,[status(thm)],[116,13]),
[iquote('hyper,116,13')] ).
cnf(124,plain,
( n4
| q(s6) ),
inference(hyper,[status(thm)],[118,16,117]),
[iquote('hyper,118,16,117')] ).
cnf(125,plain,
( n4
| q(A) ),
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[124,15,118])]),
[iquote('hyper,124,15,118,factor_simp')] ).
cnf(126,plain,
n4,
inference(factor_simp,[status(thm)],[inference(hyper,[status(thm)],[125,17])]),
[iquote('hyper,125,17,factor_simp')] ).
cnf(127,plain,
n9,
inference(hyper,[status(thm)],[126,26,115]),
[iquote('hyper,126,26,115')] ).
cnf(128,plain,
q(A),
inference(hyper,[status(thm)],[126,18]),
[iquote('hyper,126,18')] ).
cnf(132,plain,
n5(A),
inference(hyper,[status(thm)],[128,14,128]),
[iquote('hyper,128,14,128')] ).
cnf(133,plain,
n6,
inference(hyper,[status(thm)],[132,12]),
[iquote('hyper,132,12')] ).
cnf(134,plain,
$false,
inference(hyper,[status(thm)],[133,1,99,127,93]),
[iquote('hyper,133,1,99,127,93')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12 % Problem : SYN036-3 : TPTP v8.1.0. Released v1.0.0.
% 0.10/0.12 % Command : otter-tptp-script %s
% 0.12/0.33 % Computer : n020.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 11:02:53 EDT 2022
% 0.12/0.33 % CPUTime :
% 1.96/2.15 ----- Otter 3.3f, August 2004 -----
% 1.96/2.15 The process was started by sandbox on n020.cluster.edu,
% 1.96/2.15 Wed Jul 27 11:02:53 2022
% 1.96/2.15 The command was "./otter". The process ID is 13393.
% 1.96/2.15
% 1.96/2.15 set(prolog_style_variables).
% 1.96/2.15 set(auto).
% 1.96/2.15 dependent: set(auto1).
% 1.96/2.15 dependent: set(process_input).
% 1.96/2.15 dependent: clear(print_kept).
% 1.96/2.15 dependent: clear(print_new_demod).
% 1.96/2.15 dependent: clear(print_back_demod).
% 1.96/2.15 dependent: clear(print_back_sub).
% 1.96/2.15 dependent: set(control_memory).
% 1.96/2.15 dependent: assign(max_mem, 12000).
% 1.96/2.15 dependent: assign(pick_given_ratio, 4).
% 1.96/2.15 dependent: assign(stats_level, 1).
% 1.96/2.15 dependent: assign(max_seconds, 10800).
% 1.96/2.15 clear(print_given).
% 1.96/2.15
% 1.96/2.15 list(usable).
% 1.96/2.15 0 [] -n2| -n9| -n6| -n10.
% 1.96/2.15 0 [] -n2| -n9|n6|n10.
% 1.96/2.15 0 [] n2|n9| -n6| -n10.
% 1.96/2.15 0 [] n2|n9|n6|n10.
% 1.96/2.15 0 [] -n2|n9| -n6|n10.
% 1.96/2.15 0 [] -n2|n9|n6| -n10.
% 1.96/2.15 0 [] n2| -n9| -n6|n10.
% 1.96/2.15 0 [] n2| -n9|n6| -n10.
% 1.96/2.15 0 [] -p(s8)|n8.
% 1.96/2.15 0 [] -n8|p(X8).
% 1.96/2.15 0 [] -p(X7)|n7.
% 1.96/2.15 0 [] -n7|p(s7).
% 1.96/2.15 0 [] -n5(X6)|n6.
% 1.96/2.15 0 [] -n6|n5(s6).
% 1.96/2.15 0 [] -q(X)| -q(s5(X))|n5(X).
% 1.96/2.15 0 [] q(X)|q(s5(X))|n5(X).
% 1.96/2.15 0 [] -n5(X)| -q(X)|q(X5).
% 1.96/2.15 0 [] -n5(X)|q(X)| -q(X5).
% 1.96/2.15 0 [] -q(s4)|n4.
% 1.96/2.15 0 [] -n4|q(X4).
% 1.96/2.15 0 [] -q(X3)|n3.
% 1.96/2.15 0 [] -n3|q(s3).
% 1.96/2.15 0 [] -n1(X2)|n2.
% 1.96/2.15 0 [] -n2|n1(s2).
% 1.96/2.15 0 [] -p(X)| -p(s1(X))|n1(X).
% 1.96/2.15 0 [] p(X)|p(s1(X))|n1(X).
% 1.96/2.15 0 [] -n1(X)| -p(X)|p(X1).
% 1.96/2.15 0 [] -n1(X)|p(X)| -p(X1).
% 1.96/2.15 0 [] -n3| -n4|n9.
% 1.96/2.15 0 [] n3|n4|n9.
% 1.96/2.15 0 [] -n3|n4| -n9.
% 1.96/2.15 0 [] n3| -n4| -n9.
% 1.96/2.15 0 [] -n7| -n8|n10.
% 1.96/2.15 0 [] n7|n8|n10.
% 1.96/2.15 0 [] -n7|n8| -n10.
% 1.96/2.15 0 [] n7| -n8| -n10.
% 1.96/2.15 end_of_list.
% 1.96/2.15
% 1.96/2.15 SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=4.
% 1.96/2.15
% 1.96/2.15 This is a non-Horn set without equality. The strategy will
% 1.96/2.15 be ordered hyper_res, unit deletion, and factoring, with
% 1.96/2.15 satellites in sos and with nuclei in usable.
% 1.96/2.15
% 1.96/2.15 dependent: set(hyper_res).
% 1.96/2.15 dependent: set(factor).
% 1.96/2.15 dependent: set(unit_deletion).
% 1.96/2.15
% 1.96/2.15 ------------> process usable:
% 1.96/2.15 ** KEPT (pick-wt=4): 1 [] -n2| -n9| -n6| -n10.
% 1.96/2.15 ** KEPT (pick-wt=4): 2 [] -n2| -n9|n6|n10.
% 1.96/2.15 ** KEPT (pick-wt=4): 3 [] n2|n9| -n6| -n10.
% 1.96/2.15 ** KEPT (pick-wt=4): 4 [] -n2|n9| -n6|n10.
% 1.96/2.15 ** KEPT (pick-wt=4): 5 [] -n2|n9|n6| -n10.
% 1.96/2.15 ** KEPT (pick-wt=4): 6 [] n2| -n9| -n6|n10.
% 1.96/2.15 ** KEPT (pick-wt=4): 7 [] n2| -n9|n6| -n10.
% 1.96/2.15 ** KEPT (pick-wt=3): 8 [] -p(s8)|n8.
% 1.96/2.15 ** KEPT (pick-wt=3): 9 [] -n8|p(A).
% 1.96/2.15 ** KEPT (pick-wt=3): 10 [] -p(A)|n7.
% 1.96/2.15 ** KEPT (pick-wt=3): 11 [] -n7|p(s7).
% 1.96/2.15 ** KEPT (pick-wt=3): 12 [] -n5(A)|n6.
% 1.96/2.15 ** KEPT (pick-wt=3): 13 [] -n6|n5(s6).
% 1.96/2.15 ** KEPT (pick-wt=7): 14 [] -q(A)| -q(s5(A))|n5(A).
% 1.96/2.15 ** KEPT (pick-wt=6): 15 [] -n5(A)| -q(A)|q(B).
% 1.96/2.15 ** KEPT (pick-wt=6): 16 [] -n5(A)|q(A)| -q(B).
% 1.96/2.15 ** KEPT (pick-wt=3): 17 [] -q(s4)|n4.
% 1.96/2.15 ** KEPT (pick-wt=3): 18 [] -n4|q(A).
% 1.96/2.15 ** KEPT (pick-wt=3): 19 [] -q(A)|n3.
% 1.96/2.15 ** KEPT (pick-wt=3): 20 [] -n3|q(s3).
% 1.96/2.15 ** KEPT (pick-wt=3): 21 [] -n1(A)|n2.
% 1.96/2.15 ** KEPT (pick-wt=3): 22 [] -n2|n1(s2).
% 1.96/2.15 ** KEPT (pick-wt=7): 23 [] -p(A)| -p(s1(A))|n1(A).
% 1.96/2.15 ** KEPT (pick-wt=6): 24 [] -n1(A)| -p(A)|p(B).
% 1.96/2.15 ** KEPT (pick-wt=6): 25 [] -n1(A)|p(A)| -p(B).
% 1.96/2.15 ** KEPT (pick-wt=3): 26 [] -n3| -n4|n9.
% 1.96/2.15 ** KEPT (pick-wt=3): 27 [] -n3|n4| -n9.
% 1.96/2.15 ** KEPT (pick-wt=3): 28 [] n3| -n4| -n9.
% 1.96/2.15 ** KEPT (pick-wt=3): 29 [] -n7| -n8|n10.
% 1.96/2.15 ** KEPT (pick-wt=3): 30 [] -n7|n8| -n10.
% 1.96/2.15 ** KEPT (pick-wt=3): 31 [] n7| -n8| -n10.
% 1.96/2.15
% 1.96/2.15 ------------> process sos:
% 1.96/2.15 ** KEPT (pick-wt=4): 32 [] n2|n9|n6|n10.
% 1.96/2.15 ** KEPT (pick-wt=7): 33 [] q(A)|q(s5(A))|n5(A).
% 1.96/2.15 ** KEPT (pick-wt=7): 34 [] p(A)|p(s1(A))|n1(A).
% 1.96/2.15 ** KEPT (pick-wt=3): 35 [] n3|n4|n9.
% 1.96/2.15 ** KEPT (pick-wt=3): 36 [] n7|n8|n10.
% 1.96/2.15
% 1.96/2.15 ======= end of input processing =======
% 1.96/2.15
% 1.96/2.15 =========== start of search ===========
% 1.96/2.15
% 1.96/2.15 -------- PROOF --------
% 1.96/2.15
% 1.96/2.15 -----> EMPTY CLAUSE at 0.02 sec ----> 134 [hyper,133,1,99,127,93] $F.
% 1.96/2.15
% 1.96/2.15 Length of proof is 46. Level of proof is 35.
% 1.96/2.15
% 1.96/2.15 ---------------- PROOF ----------------
% 1.96/2.15 % SZS status Unsatisfiable
% 1.96/2.15 % SZS output start Refutation
% See solution above
% 1.96/2.15 ------------ end of proof -------------
% 1.96/2.15
% 1.96/2.15
% 1.96/2.15 Search stopped by max_proofs option.
% 1.96/2.15
% 1.96/2.15
% 1.96/2.15 Search stopped by max_proofs option.
% 1.96/2.15
% 1.96/2.15 ============ end of search ============
% 1.96/2.15
% 1.96/2.15 -------------- statistics -------------
% 1.96/2.15 clauses given 65
% 1.96/2.15 clauses generated 565
% 1.96/2.15 clauses kept 133
% 1.96/2.15 clauses forward subsumed 467
% 1.96/2.15 clauses back subsumed 100
% 1.96/2.15 Kbytes malloced 976
% 1.96/2.15
% 1.96/2.15 ----------- times (seconds) -----------
% 1.96/2.15 user CPU time 0.02 (0 hr, 0 min, 0 sec)
% 1.96/2.15 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.96/2.15 wall-clock time 2 (0 hr, 0 min, 2 sec)
% 1.96/2.15
% 1.96/2.15 That finishes the proof of the theorem.
% 1.96/2.15
% 1.96/2.15 Process 13393 finished Wed Jul 27 11:02:55 2022
% 1.96/2.15 Otter interrupted
% 1.96/2.15 PROOF FOUND
%------------------------------------------------------------------------------