TSTP Solution File: SET093-7 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : SET093-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-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  : 600s
% DateTime : Tue Jul 19 05:15:39 EDT 2022

% Result   : Unsatisfiable 1.27s 1.45s
% Output   : Refutation 1.27s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET093-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.07/0.12  % Command  : sos-script %s
% 0.13/0.33  % Computer : n005.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  : 600
% 0.13/0.33  % DateTime : Mon Jul 11 02:04:22 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.36  ----- Otter 3.2, August 2001 -----
% 0.13/0.36  The process was started by sandbox on n005.cluster.edu,
% 0.13/0.36  Mon Jul 11 02:04:22 2022
% 0.13/0.36  The command was "./sos".  The process ID is 24096.
% 0.13/0.36  
% 0.13/0.36  set(prolog_style_variables).
% 0.13/0.36  set(auto).
% 0.13/0.36     dependent: set(auto1).
% 0.13/0.36     dependent: set(process_input).
% 0.13/0.36     dependent: clear(print_kept).
% 0.13/0.36     dependent: clear(print_new_demod).
% 0.13/0.36     dependent: clear(print_back_demod).
% 0.13/0.36     dependent: clear(print_back_sub).
% 0.13/0.36     dependent: set(control_memory).
% 0.13/0.36     dependent: assign(max_mem, 12000).
% 0.13/0.36     dependent: assign(pick_given_ratio, 4).
% 0.13/0.36     dependent: assign(stats_level, 1).
% 0.13/0.36     dependent: assign(pick_semantic_ratio, 3).
% 0.13/0.36     dependent: assign(sos_limit, 5000).
% 0.13/0.36     dependent: assign(max_weight, 60).
% 0.13/0.36  clear(print_given).
% 0.13/0.36  
% 0.13/0.36  list(usable).
% 0.13/0.36  
% 0.13/0.36  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 0.13/0.36  
% 0.13/0.36  This ia a non-Horn set with equality.  The strategy will be
% 0.13/0.36  Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.13/0.36  unit deletion, with positive clauses in sos and nonpositive
% 0.13/0.36  clauses in usable.
% 0.13/0.36  
% 0.13/0.36     dependent: set(knuth_bendix).
% 0.13/0.36     dependent: set(para_from).
% 0.13/0.36     dependent: set(para_into).
% 0.13/0.36     dependent: clear(para_from_right).
% 0.13/0.36     dependent: clear(para_into_right).
% 0.13/0.36     dependent: set(para_from_vars).
% 0.13/0.36     dependent: set(eq_units_both_ways).
% 0.13/0.36     dependent: set(dynamic_demod_all).
% 0.13/0.36     dependent: set(dynamic_demod).
% 0.13/0.36     dependent: set(order_eq).
% 0.13/0.36     dependent: set(back_demod).
% 0.13/0.36     dependent: set(lrpo).
% 0.13/0.36     dependent: set(hyper_res).
% 0.13/0.36     dependent: set(unit_deletion).
% 0.13/0.36     dependent: set(factor).
% 0.13/0.36  
% 0.13/0.36  ------------> process usable:
% 0.13/0.36  
% 0.13/0.36  ------------> process sos:
% 0.13/0.36    Following clause subsumed by 100 during input processing: 0 [demod,103] {-} member(unordered_pair(A,A),universal_class).
% 0.13/0.36    Following clause subsumed by 169 during input processing: 0 [copy,169,flip.1] {-} unordered_pair(A,B)=unordered_pair(B,A).
% 0.13/0.36    Following clause subsumed by 194 during input processing: 0 [copy,194,flip.1] {-} A=A.
% 0.13/0.36  194 back subsumes 95.
% 0.13/0.36  194 back subsumes 87.
% 0.13/0.36  
% 0.13/0.36  ======= end of input processing =======
% 0.75/0.96  
% 0.75/0.96  Stopped by limit on insertions
% 0.75/0.96  
% 0.75/0.96  
% 0.75/0.96  Failed to model usable list: disabling FINDER
% 0.75/0.96  
% 0.75/0.96  
% 0.75/0.96  
% 0.75/0.96  -------------- Softie stats --------------
% 0.75/0.96  
% 0.75/0.96  UPDATE_STOP: 300
% 0.75/0.96  SFINDER_TIME_LIMIT: 2
% 0.75/0.96  SHORT_CLAUSE_CUTOFF: 4
% 0.75/0.96  number of clauses in intial UL: 67
% 0.75/0.96  number of clauses initially in problem: 164
% 0.75/0.96  percentage of clauses intially in UL: 40
% 0.75/0.96  percentage of distinct symbols occuring in initial UL: 60
% 0.75/0.96  percent of all initial clauses that are short: 100
% 0.75/0.96  absolute distinct symbol count: 51
% 0.75/0.96     distinct predicate count: 10
% 0.75/0.96     distinct function count: 32
% 0.75/0.96     distinct constant count: 9
% 0.75/0.96  
% 0.75/0.96  ---------- no more Softie stats ----------
% 0.75/0.96  
% 0.75/0.96  
% 0.75/0.96  
% 0.75/0.96  =========== start of search ===========
% 0.97/1.17  
% 0.97/1.17  
% 0.97/1.17  Changing weight limit from 60 to 27.
% 0.97/1.17  
% 0.97/1.17  Resetting weight limit to 27 after 110 givens.
% 0.97/1.17  
% 1.05/1.24  
% 1.05/1.24  
% 1.05/1.24  Changing weight limit from 27 to 21.
% 1.05/1.24  
% 1.05/1.24  Resetting weight limit to 21 after 115 givens.
% 1.05/1.24  
% 1.05/1.28  
% 1.05/1.28  
% 1.05/1.28  Changing weight limit from 21 to 20.
% 1.05/1.28  
% 1.05/1.28  Resetting weight limit to 20 after 120 givens.
% 1.05/1.28  
% 1.24/1.41  
% 1.24/1.41  
% 1.24/1.41  Changing weight limit from 20 to 19.
% 1.24/1.41  
% 1.24/1.41  Resetting weight limit to 19 after 125 givens.
% 1.24/1.41  
% 1.27/1.45  
% 1.27/1.45  -------- PROOF -------- 
% 1.27/1.45  % SZS status Unsatisfiable
% 1.27/1.45  % SZS output start Refutation
% 1.27/1.45  
% 1.27/1.45  ----> UNIT CONFLICT at   1.05 sec ----> 7399 [binary,7398.1,86.1] {-} $F.
% 1.27/1.45  
% 1.27/1.45  Length of proof is 3.  Level of proof is 3.
% 1.27/1.45  
% 1.27/1.45  ---------------- PROOF ----------------
% 1.27/1.45  % SZS status Unsatisfiable
% 1.27/1.45  % SZS output start Refutation
% 1.27/1.45  
% 1.27/1.45  86 [] {+} -member(x,universal_class).
% 1.27/1.45  100 [] {-} member(unordered_pair(A,B),universal_class).
% 1.27/1.45  101 [] {-} unordered_pair(A,A)=singleton(A).
% 1.27/1.45  103,102 [copy,101,flip.1] {-} singleton(A)=unordered_pair(A,A).
% 1.27/1.45  191 [] {-} singleton(member_of(x))=x.
% 1.27/1.45  192 [copy,191,demod,103] {-} unordered_pair(member_of(x),member_of(x))=x.
% 1.27/1.45  7398 [para_from,192.1.1,100.1.1] {-} member(x,universal_class).
% 1.27/1.45  7399 [binary,7398.1,86.1] {-} $F.
% 1.27/1.45  
% 1.27/1.45  % SZS output end Refutation
% 1.27/1.45  ------------ end of proof -------------
% 1.27/1.45  
% 1.27/1.45  
% 1.27/1.45  Search stopped by max_proofs option.
% 1.27/1.45  
% 1.27/1.45  
% 1.27/1.45  Search stopped by max_proofs option.
% 1.27/1.45  
% 1.27/1.45  ============ end of search ============
% 1.27/1.45  
% 1.27/1.45  That finishes the proof of the theorem.
% 1.27/1.45  
% 1.27/1.45  Process 24096 finished Mon Jul 11 02:04:23 2022
%------------------------------------------------------------------------------