TSTP Solution File: LCL013-1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : LCL013-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-script %s

% Computer : n012.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  : 600s
% DateTime : Sun Jul 17 14:27:21 EDT 2022

% Result   : Unsatisfiable 0.11s 0.37s
% Output   : Refutation 0.11s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : LCL013-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : sos-script %s
% 0.11/0.33  % Computer : n012.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 600
% 0.11/0.33  % DateTime : Sun Jul  3 21:09:31 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 0.11/0.34  ----- Otter 3.2, August 2001 -----
% 0.11/0.34  The process was started by sandbox on n012.cluster.edu,
% 0.11/0.34  Sun Jul  3 21:09:31 2022
% 0.11/0.34  The command was "./sos".  The process ID is 10523.
% 0.11/0.34  
% 0.11/0.34  set(prolog_style_variables).
% 0.11/0.34  set(auto).
% 0.11/0.34     dependent: set(auto1).
% 0.11/0.34     dependent: set(process_input).
% 0.11/0.34     dependent: clear(print_kept).
% 0.11/0.34     dependent: clear(print_new_demod).
% 0.11/0.34     dependent: clear(print_back_demod).
% 0.11/0.34     dependent: clear(print_back_sub).
% 0.11/0.34     dependent: set(control_memory).
% 0.11/0.34     dependent: assign(max_mem, 12000).
% 0.11/0.34     dependent: assign(pick_given_ratio, 4).
% 0.11/0.34     dependent: assign(stats_level, 1).
% 0.11/0.34     dependent: assign(pick_semantic_ratio, 3).
% 0.11/0.34     dependent: assign(sos_limit, 5000).
% 0.11/0.34     dependent: assign(max_weight, 60).
% 0.11/0.34  clear(print_given).
% 0.11/0.34  
% 0.11/0.34  list(usable).
% 0.11/0.34  
% 0.11/0.34  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=3.
% 0.11/0.34  
% 0.11/0.34  This is a Horn set without equality.  The strategy will
% 0.11/0.34  be hyperresolution, with satellites in sos and nuclei
% 0.11/0.34  in usable.
% 0.11/0.34  
% 0.11/0.34     dependent: set(hyper_res).
% 0.11/0.34     dependent: clear(order_hyper).
% 0.11/0.34  
% 0.11/0.34  ------------> process usable:
% 0.11/0.34  
% 0.11/0.34  ------------> process sos:
% 0.11/0.34  
% 0.11/0.34  ======= end of input processing =======
% 0.11/0.37  
% 0.11/0.37  Model 1 (0.00 seconds, 0 Inserts)
% 0.11/0.37  
% 0.11/0.37  Stopped by limit on number of solutions
% 0.11/0.37  
% 0.11/0.37  
% 0.11/0.37  -------------- Softie stats --------------
% 0.11/0.37  
% 0.11/0.37  UPDATE_STOP: 300
% 0.11/0.37  SFINDER_TIME_LIMIT: 2
% 0.11/0.37  SHORT_CLAUSE_CUTOFF: 4
% 0.11/0.37  number of clauses in intial UL: 2
% 0.11/0.37  number of clauses initially in problem: 3
% 0.11/0.37  percentage of clauses intially in UL: 66
% 0.11/0.37  percentage of distinct symbols occuring in initial UL: 100
% 0.11/0.37  percent of all initial clauses that are short: 100
% 0.11/0.37  absolute distinct symbol count: 5
% 0.11/0.37     distinct predicate count: 1
% 0.11/0.37     distinct function count: 1
% 0.11/0.37     distinct constant count: 3
% 0.11/0.37  
% 0.11/0.37  ---------- no more Softie stats ----------
% 0.11/0.37  
% 0.11/0.37  
% 0.11/0.37  
% 0.11/0.37  =========== start of search ===========
% 0.11/0.37  
% 0.11/0.37  -------- PROOF -------- 
% 0.11/0.37  % SZS status Unsatisfiable
% 0.11/0.37  % SZS output start Refutation
% 0.11/0.37  
% 0.11/0.37  ----> UNIT CONFLICT at   0.00 sec ----> 8 [binary,7.1,2.1] {-} $F.
% 0.11/0.37  
% 0.11/0.37  Length of proof is 2.  Level of proof is 2.
% 0.11/0.37  
% 0.11/0.37  ---------------- PROOF ----------------
% 0.11/0.37  % SZS status Unsatisfiable
% 0.11/0.37  % SZS output start Refutation
% 0.11/0.37  
% 0.11/0.37  1 [] {+} -is_a_theorem(equivalent(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 0.11/0.37  2 [] {+} -is_a_theorem(equivalent(equivalent(equivalent(a,b),c),equivalent(b,equivalent(c,a)))).
% 0.11/0.37  3 [] {-} is_a_theorem(equivalent(A,equivalent(equivalent(B,equivalent(A,C)),equivalent(C,B)))).
% 0.11/0.37  4 [hyper,3,1,3] {-} is_a_theorem(equivalent(equivalent(A,equivalent(equivalent(B,equivalent(equivalent(C,equivalent(B,D)),equivalent(D,C))),E)),equivalent(E,A))).
% 0.11/0.37  7 [hyper,4,1,3] {-} is_a_theorem(equivalent(equivalent(equivalent(A,B),C),equivalent(B,equivalent(C,A)))).
% 0.11/0.37  8 [binary,7.1,2.1] {-} $F.
% 0.11/0.37  
% 0.11/0.37  % SZS output end Refutation
% 0.11/0.37  ------------ end of proof -------------
% 0.11/0.37  
% 0.11/0.37  
% 0.11/0.37  Search stopped by max_proofs option.
% 0.11/0.37  
% 0.11/0.37  
% 0.11/0.37  Search stopped by max_proofs option.
% 0.11/0.37  
% 0.11/0.37  ============ end of search ============
% 0.11/0.37  
% 0.11/0.37  ----------- soft-scott stats ----------
% 0.11/0.37  
% 0.11/0.37  true clauses given           0      (0.0%)
% 0.11/0.37  false clauses given          2
% 0.11/0.37  
% 0.11/0.37        FALSE     TRUE
% 0.11/0.37  tot:  0         0      (-nan% true)
% 0.11/0.37  
% 0.11/0.37  
% 0.11/0.37  Model 1 (0.00 seconds, 0 Inserts)
% 0.11/0.37  
% 0.11/0.37  That finishes the proof of the theorem.
% 0.11/0.37  
% 0.11/0.37  Process 10523 finished Sun Jul  3 21:09:31 2022
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