TSTP Solution File: SYN400+1 by Otter---3.3
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%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : SYN400+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n005.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 13:24:27 EDT 2022
% Result : Theorem 1.66s 1.89s
% Output : Refutation 1.66s
% Verified :
% SZS Type : Refutation
% Derivation depth : 0
% Number of leaves : 1
% Syntax : Number of clauses : 1 ( 1 unt; 0 nHn; 1 RR)
% Number of literals : 1 ( 0 equ; 0 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 0 ( 0 avg)
% Number of predicates : 1 ( 0 usr; 1 prp; 0-0 aty)
% Number of functors : 0 ( 0 usr; 0 con; --- aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
$false,
file('SYN400+1.p',unknown),
[] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12 % Problem : SYN400+1 : TPTP v8.1.0. Released v2.0.0.
% 0.06/0.12 % Command : otter-tptp-script %s
% 0.12/0.33 % Computer : n005.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 11:19:05 EDT 2022
% 0.12/0.33 % CPUTime :
% 1.66/1.89
% 1.66/1.89 -------- PROOF --------
% 1.66/1.89 ----- Otter 3.3f, August 2004 -----
% 1.66/1.89 The process was started by sandbox2 on n005.cluster.edu,
% 1.66/1.89 Wed Jul 27 11:19:05 2022
% 1.66/1.89 The command was "./otter". The process ID is 16545.
% 1.66/1.89
% 1.66/1.89 set(prolog_style_variables).
% 1.66/1.89 set(auto).
% 1.66/1.89 dependent: set(auto1).
% 1.66/1.89 dependent: set(process_input).
% 1.66/1.89 dependent: clear(print_kept).
% 1.66/1.89 dependent: clear(print_new_demod).
% 1.66/1.89 dependent: clear(print_back_demod).
% 1.66/1.89 dependent: clear(print_back_sub).
% 1.66/1.89 dependent: set(control_memory).
% 1.66/1.89 dependent: assign(max_mem, 12000).
% 1.66/1.89 dependent: assign(pick_given_ratio, 4).
% 1.66/1.89 dependent: assign(stats_level, 1).
% 1.66/1.89 dependent: assign(max_seconds, 10800).
% 1.66/1.89 clear(print_given).
% 1.66/1.89
% 1.66/1.89 formula_list(usable).
% 1.66/1.89 -((all X p)<->p).
% 1.66/1.89 end_of_list.
% 1.66/1.89
% 1.66/1.89 -------> usable clausifies to:
% 1.66/1.89
% 1.66/1.89 list(usable).
% 1.66/1.89 0 [] $F.
% 1.66/1.89 end_of_list.
% 1.66/1.89
% 1.66/1.89 SCAN INPUT: prop=1, horn=1, equality=0, symmetry=0, max_lits=0.
% 1.66/1.89
% 1.66/1.89 The clause set is propositional; the strategy will be
% 1.66/1.89 ordered hyperresolution with the propositional
% 1.66/1.89 optimizations, with satellites in sos and nuclei in usable.
% 1.66/1.89
% 1.66/1.89 dependent: set(hyper_res).
% 1.66/1.89 dependent: set(propositional).
% 1.66/1.89 dependent: set(sort_literals).
% 1.66/1.89
% 1.66/1.89 ------------> process usable:
% 1.66/1.89
% 1.66/1.89 ------------> process sos:
% 1.66/1.89 ** KEPT (pick-wt=0): 1 [] $F.
% 1.66/1.89
% 1.66/1.89 -----> EMPTY CLAUSE at 0.00 sec ----> 1 [] $F.
% 1.66/1.89
% 1.66/1.89 Length of proof is -1. Level of proof is -1.
% 1.66/1.89
% 1.66/1.89 ---------------- PROOF ----------------
% 1.66/1.89 % SZS status Theorem
% 1.66/1.89 % SZS output start Refutation
% See solution above
% 1.66/1.89 ------------ end of proof -------------
% 1.66/1.89
% 1.66/1.89
% 1.66/1.89 Search stopped by max_proofs option.
% 1.66/1.89
% 1.66/1.89
% 1.66/1.89 Search stopped by max_proofs option.
% 1.66/1.89
% 1.66/1.89 ============ end of search ============
% 1.66/1.89
% 1.66/1.89 -------------- statistics -------------
% 1.66/1.89 clauses given 0
% 1.66/1.89 clauses generated 0
% 1.66/1.89 clauses kept 0
% 1.66/1.89 clauses forward subsumed 0
% 1.66/1.89 clauses back subsumed 0
% 1.66/1.89 Kbytes malloced 976
% 1.66/1.89
% 1.66/1.89 ----------- times (seconds) -----------
% 1.66/1.89 user CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.66/1.89 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.66/1.89 wall-clock time 2 (0 hr, 0 min, 2 sec)
% 1.66/1.89
% 1.66/1.89 That finishes the proof of the theorem.
% 1.66/1.89
% 1.66/1.89 Process 16545 finished Wed Jul 27 11:19:07 2022
% 1.66/1.89 Otter interrupted
% 1.66/1.89 PROOF FOUND
%------------------------------------------------------------------------------