TSTP Solution File: LCL118-1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : LCL118-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-script %s

% Computer : n013.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 14:28:03 EDT 2022

% Result   : Unsatisfiable 4.09s 4.30s
% Output   : Refutation 4.09s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL118-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : sos-script %s
% 0.13/0.35  % Computer : n013.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Sun Jul  3 05:47:29 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.20/0.37  ----- Otter 3.2, August 2001 -----
% 0.20/0.37  The process was started by sandbox on n013.cluster.edu,
% 0.20/0.37  Sun Jul  3 05:47:29 2022
% 0.20/0.37  The command was "./sos".  The process ID is 9633.
% 0.20/0.37  
% 0.20/0.37  set(prolog_style_variables).
% 0.20/0.37  set(auto).
% 0.20/0.37     dependent: set(auto1).
% 0.20/0.37     dependent: set(process_input).
% 0.20/0.37     dependent: clear(print_kept).
% 0.20/0.37     dependent: clear(print_new_demod).
% 0.20/0.37     dependent: clear(print_back_demod).
% 0.20/0.37     dependent: clear(print_back_sub).
% 0.20/0.37     dependent: set(control_memory).
% 0.20/0.37     dependent: assign(max_mem, 12000).
% 0.20/0.37     dependent: assign(pick_given_ratio, 4).
% 0.20/0.37     dependent: assign(stats_level, 1).
% 0.20/0.37     dependent: assign(pick_semantic_ratio, 3).
% 0.20/0.37     dependent: assign(sos_limit, 5000).
% 0.20/0.37     dependent: assign(max_weight, 60).
% 0.20/0.37  clear(print_given).
% 0.20/0.37  
% 0.20/0.37  list(usable).
% 0.20/0.37  
% 0.20/0.37  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=3.
% 0.20/0.37  
% 0.20/0.37  This is a Horn set without equality.  The strategy will
% 0.20/0.37  be hyperresolution, with satellites in sos and nuclei
% 0.20/0.37  in usable.
% 0.20/0.37  
% 0.20/0.37     dependent: set(hyper_res).
% 0.20/0.37     dependent: clear(order_hyper).
% 0.20/0.37  
% 0.20/0.37  ------------> process usable:
% 0.20/0.37  
% 0.20/0.37  ------------> process sos:
% 0.20/0.37  
% 0.20/0.37  ======= end of input processing =======
% 0.20/0.39  
% 0.20/0.39  Model 1 (0.00 seconds, 0 Inserts)
% 0.20/0.39  
% 0.20/0.39  Stopped by limit on number of solutions
% 0.20/0.39  
% 0.20/0.39  
% 0.20/0.39  -------------- Softie stats --------------
% 0.20/0.39  
% 0.20/0.39  UPDATE_STOP: 300
% 0.20/0.39  SFINDER_TIME_LIMIT: 2
% 0.20/0.39  SHORT_CLAUSE_CUTOFF: 4
% 0.20/0.39  number of clauses in intial UL: 2
% 0.20/0.39  number of clauses initially in problem: 3
% 0.20/0.39  percentage of clauses intially in UL: 66
% 0.20/0.39  percentage of distinct symbols occuring in initial UL: 100
% 0.20/0.39  percent of all initial clauses that are short: 100
% 0.20/0.39  absolute distinct symbol count: 5
% 0.20/0.39     distinct predicate count: 1
% 0.20/0.39     distinct function count: 1
% 0.20/0.39     distinct constant count: 3
% 0.20/0.39  
% 0.20/0.39  ---------- no more Softie stats ----------
% 0.20/0.39  
% 0.20/0.39  
% 0.20/0.39  
% 0.20/0.39  =========== start of search ===========
% 4.09/4.30  
% 4.09/4.30  -------- PROOF -------- 
% 4.09/4.30  % SZS status Unsatisfiable
% 4.09/4.30  % SZS output start Refutation
% 4.09/4.30  
% 4.09/4.30  Model 2 (0.00 seconds, 0 Inserts)
% 4.09/4.30  
% 4.09/4.30  Stopped by limit on number of solutions
% 4.09/4.30  
% 4.09/4.30  Model 3 (0.00 seconds, 0 Inserts)
% 4.09/4.30  
% 4.09/4.30  Stopped by limit on number of solutions
% 4.09/4.30  
% 4.09/4.30  Model 4 (0.00 seconds, 0 Inserts)
% 4.09/4.30  
% 4.09/4.30  Stopped by limit on number of solutions
% 4.09/4.30  
% 4.09/4.30  ----> UNIT CONFLICT at   3.90 sec ----> 1111 [binary,1110.1,2.1] {-} $F.
% 4.09/4.30  
% 4.09/4.30  Length of proof is 14.  Level of proof is 10.
% 4.09/4.30  
% 4.09/4.30  ---------------- PROOF ----------------
% 4.09/4.30  % SZS status Unsatisfiable
% 4.09/4.30  % SZS output start Refutation
% 4.09/4.30  
% 4.09/4.30  1 [] {+} -is_a_theorem(equivalent(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 4.09/4.30  2 [] {+} -is_a_theorem(equivalent(equivalent(a,b),equivalent(equivalent(c,b),equivalent(c,a)))).
% 4.09/4.30  3 [] {-} is_a_theorem(equivalent(equivalent(A,equivalent(B,C)),equivalent(C,equivalent(B,A)))).
% 4.09/4.30  4 [hyper,3,1,3] {-} is_a_theorem(equivalent(equivalent(A,B),equivalent(C,equivalent(B,equivalent(A,C))))).
% 4.09/4.30  5 [hyper,4,1,4] {-} is_a_theorem(equivalent(A,equivalent(equivalent(B,equivalent(C,equivalent(D,B))),equivalent(equivalent(D,C),A)))).
% 4.09/4.30  6 [hyper,4,1,3] {-} is_a_theorem(equivalent(A,equivalent(equivalent(B,equivalent(C,D)),equivalent(equivalent(D,equivalent(C,B)),A)))).
% 4.09/4.30  9 [hyper,5,1,3] {-} is_a_theorem(equivalent(equivalent(equivalent(A,B),C),equivalent(equivalent(D,equivalent(B,equivalent(A,D))),C))).
% 4.09/4.30  15 [hyper,6,1,3] {-} is_a_theorem(equivalent(equivalent(equivalent(A,equivalent(B,C)),D),equivalent(equivalent(C,equivalent(B,A)),D))).
% 4.09/4.30  17 [hyper,6,1,4] {-} is_a_theorem(equivalent(equivalent(A,equivalent(B,C)),equivalent(equivalent(C,equivalent(B,A)),equivalent(equivalent(D,E),equivalent(F,equivalent(E,equivalent(D,F))))))).
% 4.09/4.30  25 [hyper,9,1,4] {-} is_a_theorem(equivalent(equivalent(A,equivalent(B,equivalent(C,A))),equivalent(D,equivalent(B,equivalent(C,D))))).
% 4.09/4.30  46 [hyper,15,1,3] {+} is_a_theorem(equivalent(equivalent(A,equivalent(B,C)),equivalent(A,equivalent(B,C)))).
% 4.09/4.30  51 [hyper,46,1,3] {-} is_a_theorem(equivalent(equivalent(A,B),equivalent(C,equivalent(C,equivalent(A,B))))).
% 4.09/4.30  75 [hyper,25,1,51] {+} is_a_theorem(equivalent(A,equivalent(B,equivalent(B,A)))).
% 4.09/4.30  99 [hyper,75,1,3] {+} is_a_theorem(equivalent(equivalent(A,B),equivalent(A,B))).
% 4.09/4.30  102 [hyper,99,1,9] {-} is_a_theorem(equivalent(equivalent(A,equivalent(B,equivalent(C,A))),equivalent(C,B))).
% 4.09/4.30  1040 [hyper,17,1,102] {-} is_a_theorem(equivalent(equivalent(A,B),equivalent(equivalent(A,C),equivalent(B,C)))).
% 4.09/4.30  1110 [hyper,1040,1,3] {-} is_a_theorem(equivalent(equivalent(A,B),equivalent(equivalent(C,B),equivalent(C,A)))).
% 4.09/4.30  1111 [binary,1110.1,2.1] {-} $F.
% 4.09/4.30  
% 4.09/4.30  % SZS output end Refutation
% 4.09/4.30  ------------ end of proof -------------
% 4.09/4.30  
% 4.09/4.30  
% 4.09/4.30  Search stopped by max_proofs option.
% 4.09/4.30  
% 4.09/4.30  
% 4.09/4.30  Search stopped by max_proofs option.
% 4.09/4.30  
% 4.09/4.30  ============ end of search ============
% 4.09/4.30  
% 4.09/4.30  ----------- soft-scott stats ----------
% 4.09/4.30  
% 4.09/4.30  true clauses given           6      (12.8%)
% 4.09/4.30  false clauses given         41
% 4.09/4.30  
% 4.09/4.30        FALSE     TRUE
% 4.09/4.30    12  0         31
% 4.09/4.30    16  134       52
% 4.09/4.30    20  280       21
% 4.09/4.30    24  154       0
% 4.09/4.30    28  154       0
% 4.09/4.30    32  96        0
% 4.09/4.30    36  57        0
% 4.09/4.30    40  24        0
% 4.09/4.30    44  16        0
% 4.09/4.30  tot:  915       104      (10.2% true)
% 4.09/4.30  
% 4.09/4.30  
% 4.09/4.30  Model 4 (0.00 seconds, 0 Inserts)
% 4.09/4.30  
% 4.09/4.30  That finishes the proof of the theorem.
% 4.09/4.30  
% 4.09/4.30  Process 9633 finished Sun Jul  3 05:47:33 2022
%------------------------------------------------------------------------------