%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : FLD025-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n004.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 12:53:44 EDT 2022
% Result : Unsatisfiable 44.56s 44.77s
% Output : Refutation 44.56s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 18
% Syntax : Number of clauses : 39 ( 30 unt; 2 nHn; 39 RR)
% Number of literals : 56 ( 0 equ; 17 neg)
% Maximal clause size : 4 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-3 aty)
% Number of functors : 8 ( 8 usr; 6 con; 0-2 aty)
% Number of variables : 26 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
( sum(A,B,C)
| ~ sum(A,D,E)
| ~ sum(D,F,B)
| ~ sum(E,F,C) ),
file('FLD025-3.p',unknown),
[] ).
cnf(3,axiom,
( sum(additive_identity,A,A)
| ~ defined(A) ),
file('FLD025-3.p',unknown),
[] ).
cnf(6,axiom,
( product(A,B,C)
| ~ product(A,D,E)
| ~ product(D,F,B)
| ~ product(E,F,C) ),
file('FLD025-3.p',unknown),
[] ).
cnf(7,axiom,
( product(A,B,C)
| ~ product(D,E,A)
| ~ product(E,B,F)
| ~ product(D,F,C) ),
file('FLD025-3.p',unknown),
[] ).
cnf(8,axiom,
( product(multiplicative_identity,A,A)
| ~ defined(A) ),
file('FLD025-3.p',unknown),
[] ).
cnf(9,axiom,
( product(multiplicative_inverse(A),A,multiplicative_identity)
| sum(additive_identity,A,additive_identity)
| ~ defined(A) ),
file('FLD025-3.p',unknown),
[] ).
cnf(10,axiom,
( product(A,B,C)
| ~ product(B,A,C) ),
file('FLD025-3.p',unknown),
[] ).
cnf(18,axiom,
( product(A,B,multiply(A,B))
| ~ defined(A)
| ~ defined(B) ),
file('FLD025-3.p',unknown),
[] ).
cnf(24,axiom,
~ sum(additive_identity,additive_identity,multiplicative_identity),
file('FLD025-3.p',unknown),
[] ).
cnf(25,axiom,
~ product(d,b,multiply(a,c)),
file('FLD025-3.p',unknown),
[] ).
cnf(49,axiom,
defined(additive_identity),
file('FLD025-3.p',unknown),
[] ).
cnf(50,axiom,
defined(multiplicative_identity),
file('FLD025-3.p',unknown),
[] ).
cnf(51,axiom,
defined(a),
file('FLD025-3.p',unknown),
[] ).
cnf(52,axiom,
defined(b),
file('FLD025-3.p',unknown),
[] ).
cnf(53,axiom,
defined(c),
file('FLD025-3.p',unknown),
[] ).
cnf(54,axiom,
defined(d),
file('FLD025-3.p',unknown),
[] ).
cnf(55,axiom,
product(multiplicative_identity,a,b),
file('FLD025-3.p',unknown),
[] ).
cnf(56,axiom,
product(multiplicative_identity,c,d),
file('FLD025-3.p',unknown),
[] ).
cnf(67,plain,
sum(additive_identity,additive_identity,additive_identity),
inference(hyper,[status(thm)],[49,3]),
[iquote('hyper,49,3')] ).
cnf(84,plain,
( product(multiplicative_inverse(multiplicative_identity),multiplicative_identity,multiplicative_identity)
| sum(additive_identity,multiplicative_identity,additive_identity) ),
inference(hyper,[status(thm)],[50,9]),
[iquote('hyper,50,9')] ).
cnf(85,plain,
product(multiplicative_identity,multiplicative_identity,multiplicative_identity),
inference(hyper,[status(thm)],[50,8]),
[iquote('hyper,50,8')] ).
cnf(87,plain,
sum(additive_identity,multiplicative_identity,multiplicative_identity),
inference(hyper,[status(thm)],[50,3]),
[iquote('hyper,50,3')] ).
cnf(114,plain,
product(multiplicative_identity,a,a),
inference(hyper,[status(thm)],[51,8]),
[iquote('hyper,51,8')] ).
cnf(152,plain,
product(multiplicative_identity,b,b),
inference(hyper,[status(thm)],[52,8]),
[iquote('hyper,52,8')] ).
cnf(165,plain,
product(a,c,multiply(a,c)),
inference(hyper,[status(thm)],[53,18,51]),
[iquote('hyper,53,18,51')] ).
cnf(199,plain,
product(multiplicative_identity,c,c),
inference(hyper,[status(thm)],[53,8]),
[iquote('hyper,53,8')] ).
cnf(255,plain,
product(multiplicative_identity,d,d),
inference(hyper,[status(thm)],[54,8]),
[iquote('hyper,54,8')] ).
cnf(573,plain,
product(c,multiplicative_identity,d),
inference(hyper,[status(thm)],[56,10]),
[iquote('hyper,56,10')] ).
cnf(4332,plain,
product(multiplicative_identity,b,a),
inference(hyper,[status(thm)],[114,6,85,55]),
[iquote('hyper,114,6,85,55')] ).
cnf(9634,plain,
product(multiplicative_inverse(multiplicative_identity),multiplicative_identity,multiplicative_identity),
inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[84,1,67,87]),24]),
[iquote('hyper,84,1,67,87,unit_del,24')] ).
cnf(9987,plain,
product(c,multiplicative_identity,c),
inference(hyper,[status(thm)],[199,10]),
[iquote('hyper,199,10')] ).
cnf(10555,plain,
product(d,multiplicative_identity,d),
inference(hyper,[status(thm)],[255,10]),
[iquote('hyper,255,10')] ).
cnf(10804,plain,
product(d,multiplicative_identity,c),
inference(hyper,[status(thm)],[9987,7,573,85]),
[iquote('hyper,9987,7,573,85')] ).
cnf(11062,plain,
product(c,a,multiply(a,c)),
inference(hyper,[status(thm)],[165,10]),
[iquote('hyper,165,10')] ).
cnf(11291,plain,
product(multiplicative_identity,multiplicative_inverse(multiplicative_identity),multiplicative_identity),
inference(hyper,[status(thm)],[9634,10]),
[iquote('hyper,9634,10')] ).
cnf(11295,plain,
product(multiplicative_inverse(multiplicative_identity),b,a),
inference(hyper,[status(thm)],[9634,6,152,4332]),
[iquote('hyper,9634,6,152,4332')] ).
cnf(11441,plain,
product(c,multiplicative_inverse(multiplicative_identity),d),
inference(hyper,[status(thm)],[11291,7,10804,10555]),
[iquote('hyper,11291,7,10804,10555')] ).
cnf(11752,plain,
product(d,b,multiply(a,c)),
inference(hyper,[status(thm)],[11062,7,11441,11295]),
[iquote('hyper,11062,7,11441,11295')] ).
cnf(11753,plain,
$false,
inference(binary,[status(thm)],[11752,25]),
[iquote('binary,11752.1,25.1')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : FLD025-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.13 % Command : otter-tptp-script %s
% 0.13/0.33 % Computer : n004.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 03:13:36 EDT 2022
% 0.13/0.34 % CPUTime :
% 1.62/1.82 ----- Otter 3.3f, August 2004 -----
% 1.62/1.82 The process was started by sandbox2 on n004.cluster.edu,
% 1.62/1.82 Wed Jul 27 03:13:36 2022
% 1.62/1.82 The command was "./otter". The process ID is 1453.
% 1.62/1.82
% 1.62/1.82 set(prolog_style_variables).
% 1.62/1.82 set(auto).
% 1.62/1.82 dependent: set(auto1).
% 1.62/1.82 dependent: set(process_input).
% 1.62/1.82 dependent: clear(print_kept).
% 1.62/1.82 dependent: clear(print_new_demod).
% 1.62/1.82 dependent: clear(print_back_demod).
% 1.62/1.82 dependent: clear(print_back_sub).
% 1.62/1.82 dependent: set(control_memory).
% 1.62/1.82 dependent: assign(max_mem, 12000).
% 1.62/1.82 dependent: assign(pick_given_ratio, 4).
% 1.62/1.82 dependent: assign(stats_level, 1).
% 1.62/1.82 dependent: assign(max_seconds, 10800).
% 1.62/1.82 clear(print_given).
% 1.62/1.82
% 1.62/1.82 list(usable).
% 1.62/1.82 0 [] sum(X,V,W)| -sum(X,Y,U)| -sum(Y,Z,V)| -sum(U,Z,W).
% 1.62/1.82 0 [] sum(U,Z,W)| -sum(X,Y,U)| -sum(Y,Z,V)| -sum(X,V,W).
% 1.62/1.82 0 [] sum(additive_identity,X,X)| -defined(X).
% 1.62/1.82 0 [] sum(additive_inverse(X),X,additive_identity)| -defined(X).
% 1.62/1.82 0 [] sum(Y,X,Z)| -sum(X,Y,Z).
% 1.62/1.82 0 [] product(X,V,W)| -product(X,Y,U)| -product(Y,Z,V)| -product(U,Z,W).
% 1.62/1.82 0 [] product(U,Z,W)| -product(X,Y,U)| -product(Y,Z,V)| -product(X,V,W).
% 1.62/1.82 0 [] product(multiplicative_identity,X,X)| -defined(X).
% 1.62/1.82 0 [] product(multiplicative_inverse(X),X,multiplicative_identity)|sum(additive_identity,X,additive_identity)| -defined(X).
% 1.62/1.82 0 [] product(Y,X,Z)| -product(X,Y,Z).
% 1.62/1.82 0 [] sum(C,D,B)| -sum(X,Y,A)| -product(A,Z,B)| -product(X,Z,C)| -product(Y,Z,D).
% 1.62/1.82 0 [] product(A,Z,B)| -sum(X,Y,A)| -product(X,Z,C)| -product(Y,Z,D)| -sum(C,D,B).
% 1.62/1.82 0 [] defined(add(X,Y))| -defined(X)| -defined(Y).
% 1.62/1.82 0 [] defined(additive_identity).
% 1.62/1.82 0 [] defined(additive_inverse(X))| -defined(X).
% 1.62/1.82 0 [] defined(multiply(X,Y))| -defined(X)| -defined(Y).
% 1.62/1.82 0 [] defined(multiplicative_identity).
% 1.62/1.82 0 [] defined(multiplicative_inverse(X))| -defined(X)|sum(additive_identity,X,additive_identity).
% 1.62/1.82 0 [] sum(X,Y,add(X,Y))| -defined(X)| -defined(Y).
% 1.62/1.82 0 [] product(X,Y,multiply(X,Y))| -defined(X)| -defined(Y).
% 1.62/1.82 0 [] sum(additive_identity,X,Y)| -less_or_e_qual(X,Y)| -less_or_e_qual(Y,X).
% 1.62/1.82 0 [] less_or_e_qual(X,Z)| -less_or_e_qual(X,Y)| -less_or_e_qual(Y,Z).
% 1.62/1.82 0 [] less_or_e_qual(X,Y)|less_or_e_qual(Y,X)| -defined(X)| -defined(Y).
% 1.62/1.82 0 [] less_or_e_qual(U,V)| -less_or_e_qual(X,Y)| -sum(X,Z,U)| -sum(Y,Z,V).
% 1.62/1.82 0 [] less_or_e_qual(additive_identity,Z)| -less_or_e_qual(additive_identity,X)| -less_or_e_qual(additive_identity,Y)| -product(X,Y,Z).
% 1.62/1.82 0 [] -sum(additive_identity,additive_identity,multiplicative_identity).
% 1.62/1.82 0 [] defined(a).
% 1.62/1.82 0 [] defined(b).
% 1.62/1.82 0 [] defined(c).
% 1.62/1.82 0 [] defined(d).
% 1.62/1.82 0 [] product(multiplicative_identity,a,b).
% 1.62/1.82 0 [] product(multiplicative_identity,c,d).
% 1.62/1.82 0 [] -product(d,b,multiply(a,c)).
% 1.62/1.82 end_of_list.
% 1.62/1.82
% 1.62/1.82 SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=5.
% 1.62/1.82
% 1.62/1.82 This is a non-Horn set without equality. The strategy will
% 1.62/1.82 be ordered hyper_res, unit deletion, and factoring, with
% 1.62/1.82 satellites in sos and with nuclei in usable.
% 1.62/1.82
% 1.62/1.82 dependent: set(hyper_res).
% 1.62/1.82 dependent: set(factor).
% 1.62/1.82 dependent: set(unit_deletion).
% 1.62/1.82
% 1.62/1.82 ------------> process usable:
% 1.62/1.82 ** KEPT (pick-wt=16): 1 [] sum(A,B,C)| -sum(A,D,E)| -sum(D,F,B)| -sum(E,F,C).
% 1.62/1.82 ** KEPT (pick-wt=16): 2 [] sum(A,B,C)| -sum(D,E,A)| -sum(E,B,F)| -sum(D,F,C).
% 1.62/1.82 ** KEPT (pick-wt=6): 3 [] sum(additive_identity,A,A)| -defined(A).
% 1.62/1.82 ** KEPT (pick-wt=7): 4 [] sum(additive_inverse(A),A,additive_identity)| -defined(A).
% 1.62/1.82 ** KEPT (pick-wt=8): 5 [] sum(A,B,C)| -sum(B,A,C).
% 1.62/1.82 ** KEPT (pick-wt=16): 6 [] product(A,B,C)| -product(A,D,E)| -product(D,F,B)| -product(E,F,C).
% 1.62/1.82 ** KEPT (pick-wt=16): 7 [] product(A,B,C)| -product(D,E,A)| -product(E,B,F)| -product(D,F,C).
% 1.62/1.82 ** KEPT (pick-wt=6): 8 [] product(multiplicative_identity,A,A)| -defined(A).
% 1.62/1.82 ** KEPT (pick-wt=11): 9 [] product(multiplicative_inverse(A),A,multiplicative_identity)|sum(additive_identity,A,additive_identity)| -defined(A).
% 1.62/1.82 ** KEPT (pick-wt=8): 10 [] product(A,B,C)| -product(B,A,C).
% 1.62/1.82 ** KEPT (pick-wt=20): 11 [] sum(A,B,C)| -sum(D,E,F)| -product(F,G,C)| -product(D,G,A)| -product(E,G,B).
% 1.62/1.82 ** KEPT (pick-wt=20): 12 [] product(A,B,C)| -sum(D,E,A)| -product(D,B,F)| -product(E,B,G)| -sum(F,G,C).
% 1.62/1.82 ** KEPT (pick-wt=8): 13 [] defined(add(A,B))| -defined(A)| -defined(B).
% 1.62/1.82 ** KEPT (pick-wt=5): 14 [] defined(additive_inverse(A))| -defined(A).
% 1.62/1.82 ** KEPT (pick-wt=8): 15 [] defined(multiply(A,B))| -defined(A)| -defined(B).
% 44.56/44.77 ** KEPT (pick-wt=9): 16 [] defined(multiplicative_inverse(A))| -defined(A)|sum(additive_identity,A,additive_identity).
% 44.56/44.77 ** KEPT (pick-wt=10): 17 [] sum(A,B,add(A,B))| -defined(A)| -defined(B).
% 44.56/44.77 ** KEPT (pick-wt=10): 18 [] product(A,B,multiply(A,B))| -defined(A)| -defined(B).
% 44.56/44.77 ** KEPT (pick-wt=10): 19 [] sum(additive_identity,A,B)| -less_or_e_qual(A,B)| -less_or_e_qual(B,A).
% 44.56/44.77 ** KEPT (pick-wt=9): 20 [] less_or_e_qual(A,B)| -less_or_e_qual(A,C)| -less_or_e_qual(C,B).
% 44.56/44.77 ** KEPT (pick-wt=10): 21 [] less_or_e_qual(A,B)|less_or_e_qual(B,A)| -defined(A)| -defined(B).
% 44.56/44.77 ** KEPT (pick-wt=14): 22 [] less_or_e_qual(A,B)| -less_or_e_qual(C,D)| -sum(C,E,A)| -sum(D,E,B).
% 44.56/44.77 ** KEPT (pick-wt=13): 23 [] less_or_e_qual(additive_identity,A)| -less_or_e_qual(additive_identity,B)| -less_or_e_qual(additive_identity,C)| -product(B,C,A).
% 44.56/44.77 ** KEPT (pick-wt=4): 24 [] -sum(additive_identity,additive_identity,multiplicative_identity).
% 44.56/44.77 ** KEPT (pick-wt=6): 25 [] -product(d,b,multiply(a,c)).
% 44.56/44.77
% 44.56/44.77 ------------> process sos:
% 44.56/44.77 ** KEPT (pick-wt=2): 49 [] defined(additive_identity).
% 44.56/44.77 ** KEPT (pick-wt=2): 50 [] defined(multiplicative_identity).
% 44.56/44.77 ** KEPT (pick-wt=2): 51 [] defined(a).
% 44.56/44.77 ** KEPT (pick-wt=2): 52 [] defined(b).
% 44.56/44.77 ** KEPT (pick-wt=2): 53 [] defined(c).
% 44.56/44.77 ** KEPT (pick-wt=2): 54 [] defined(d).
% 44.56/44.77 ** KEPT (pick-wt=4): 55 [] product(multiplicative_identity,a,b).
% 44.56/44.77 ** KEPT (pick-wt=4): 56 [] product(multiplicative_identity,c,d).
% 44.56/44.77
% 44.56/44.77 ======= end of input processing =======
% 44.56/44.77
% 44.56/44.77 =========== start of search ===========
% 44.56/44.77
% 44.56/44.77
% 44.56/44.77 Resetting weight limit to 6.
% 44.56/44.77
% 44.56/44.77
% 44.56/44.77 Resetting weight limit to 6.
% 44.56/44.77
% 44.56/44.77 sos_size=9405
% 44.56/44.77
% 44.56/44.77 -- HEY sandbox2, WE HAVE A PROOF!! --
% 44.56/44.77
% 44.56/44.77 ----> UNIT CONFLICT at 42.91 sec ----> 11753 [binary,11752.1,25.1] $F.
% 44.56/44.77
% 44.56/44.77 Length of proof is 20. Level of proof is 5.
% 44.56/44.77
% 44.56/44.77 ---------------- PROOF ----------------
% 44.56/44.77 % SZS status Unsatisfiable
% 44.56/44.77 % SZS output start Refutation
% See solution above
% 44.56/44.77 ------------ end of proof -------------
% 44.56/44.77
% 44.56/44.77
% 44.56/44.77 Search stopped by max_proofs option.
% 44.56/44.77
% 44.56/44.77
% 44.56/44.77 Search stopped by max_proofs option.
% 44.56/44.77
% 44.56/44.77 ============ end of search ============
% 44.56/44.77
% 44.56/44.77 -------------- statistics -------------
% 44.56/44.77 clauses given 3470
% 44.56/44.77 clauses generated 30045488
% 44.56/44.77 clauses kept 11752
% 44.56/44.77 clauses forward subsumed 25544
% 44.56/44.77 clauses back subsumed 41
% 44.56/44.77 Kbytes malloced 5859
% 44.56/44.77
% 44.56/44.77 ----------- times (seconds) -----------
% 44.56/44.77 user CPU time 42.91 (0 hr, 0 min, 42 sec)
% 44.56/44.77 system CPU time 0.01 (0 hr, 0 min, 0 sec)
% 44.56/44.77 wall-clock time 44 (0 hr, 0 min, 44 sec)
% 44.56/44.77
% 44.56/44.77 That finishes the proof of the theorem.
% 44.56/44.77
% 44.56/44.77 Process 1453 finished Wed Jul 27 03:14:20 2022
% 44.56/44.77 Otter interrupted
% 44.56/44.77 PROOF FOUND
%------------------------------------------------------------------------------