TSTP Solution File: SET617+3 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : SET617+3 : TPTP v8.1.0. Released v2.2.0.
% 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 : Tue Jul 19 05:19:29 EDT 2022

% Result   : Theorem 0.18s 0.41s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET617+3 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.12  % Command  : sos-script %s
% 0.12/0.33  % Computer : n012.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  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 07:57:43 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.35  ----- Otter 3.2, August 2001 -----
% 0.12/0.35  The process was started by sandbox on n012.cluster.edu,
% 0.12/0.35  Sun Jul 10 07:57:43 2022
% 0.12/0.35  The command was "./sos".  The process ID is 3794.
% 0.12/0.35  
% 0.12/0.35  set(prolog_style_variables).
% 0.12/0.35  set(auto).
% 0.12/0.35     dependent: set(auto1).
% 0.12/0.35     dependent: set(process_input).
% 0.12/0.35     dependent: clear(print_kept).
% 0.12/0.35     dependent: clear(print_new_demod).
% 0.12/0.35     dependent: clear(print_back_demod).
% 0.12/0.35     dependent: clear(print_back_sub).
% 0.12/0.35     dependent: set(control_memory).
% 0.12/0.35     dependent: assign(max_mem, 12000).
% 0.12/0.35     dependent: assign(pick_given_ratio, 4).
% 0.12/0.35     dependent: assign(stats_level, 1).
% 0.12/0.35     dependent: assign(pick_semantic_ratio, 3).
% 0.12/0.35     dependent: assign(sos_limit, 5000).
% 0.12/0.35     dependent: assign(max_weight, 60).
% 0.12/0.35  clear(print_given).
% 0.12/0.35  
% 0.12/0.35  formula_list(usable).
% 0.12/0.35  
% 0.12/0.35  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 0.12/0.35  
% 0.12/0.35  This ia a non-Horn set with equality.  The strategy will be
% 0.12/0.35  Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.12/0.35  unit deletion, with positive clauses in sos and nonpositive
% 0.12/0.35  clauses in usable.
% 0.12/0.35  
% 0.12/0.35     dependent: set(knuth_bendix).
% 0.12/0.35     dependent: set(para_from).
% 0.12/0.35     dependent: set(para_into).
% 0.12/0.35     dependent: clear(para_from_right).
% 0.12/0.35     dependent: clear(para_into_right).
% 0.12/0.35     dependent: set(para_from_vars).
% 0.12/0.35     dependent: set(eq_units_both_ways).
% 0.12/0.35     dependent: set(dynamic_demod_all).
% 0.12/0.35     dependent: set(dynamic_demod).
% 0.12/0.35     dependent: set(order_eq).
% 0.12/0.35     dependent: set(back_demod).
% 0.12/0.35     dependent: set(lrpo).
% 0.12/0.35     dependent: set(hyper_res).
% 0.12/0.35     dependent: set(unit_deletion).
% 0.12/0.35     dependent: set(factor).
% 0.12/0.35  
% 0.12/0.35  ------------> process usable:
% 0.12/0.35  
% 0.12/0.35  ------------> process sos:
% 0.12/0.35    Following clause subsumed by 23 during input processing: 0 [copy,23,flip.1] {-} union(A,B)=union(B,A).
% 0.12/0.35    Following clause subsumed by 24 during input processing: 0 [copy,24,flip.1] {-} symmetric_difference(A,B)=symmetric_difference(B,A).
% 0.12/0.35    Following clause subsumed by 29 during input processing: 0 [copy,29,flip.1] {-} A=A.
% 0.12/0.35  29 back subsumes 13.
% 0.12/0.35  29 back subsumes 12.
% 0.12/0.35  
% 0.12/0.35  ======= end of input processing =======
% 0.18/0.38  
% 0.18/0.38  Model 1 (0.00 seconds, 0 Inserts)
% 0.18/0.38  
% 0.18/0.38  Stopped by limit on number of solutions
% 0.18/0.38  
% 0.18/0.38  
% 0.18/0.38  -------------- Softie stats --------------
% 0.18/0.38  
% 0.18/0.38  UPDATE_STOP: 300
% 0.18/0.38  SFINDER_TIME_LIMIT: 2
% 0.18/0.38  SHORT_CLAUSE_CUTOFF: 4
% 0.18/0.38  number of clauses in intial UL: 11
% 0.18/0.38  number of clauses initially in problem: 26
% 0.18/0.38  percentage of clauses intially in UL: 42
% 0.18/0.38  percentage of distinct symbols occuring in initial UL: 75
% 0.18/0.38  percent of all initial clauses that are short: 100
% 0.18/0.38  absolute distinct symbol count: 12
% 0.18/0.38     distinct predicate count: 4
% 0.18/0.38     distinct function count: 6
% 0.18/0.38     distinct constant count: 2
% 0.18/0.38  
% 0.18/0.38  ---------- no more Softie stats ----------
% 0.18/0.38  
% 0.18/0.38  
% 0.18/0.38  
% 0.18/0.38  =========== start of search ===========
% 0.18/0.41  
% 0.18/0.41  -------- PROOF -------- 
% 0.18/0.41  % SZS status Theorem
% 0.18/0.41  % SZS output start Refutation
% 0.18/0.41  
% 0.18/0.41  Model 2 (0.00 seconds, 0 Inserts)
% 0.18/0.41  
% 0.18/0.41  Stopped by limit on number of solutions
% 0.18/0.41  
% 0.18/0.41  Model 3 (0.00 seconds, 0 Inserts)
% 0.18/0.41  
% 0.18/0.41  Stopped by limit on number of solutions
% 0.18/0.41  
% 0.18/0.41  Model 4 (0.00 seconds, 0 Inserts)
% 0.18/0.41  
% 0.18/0.41  Stopped by limit on number of solutions
% 0.18/0.41  
% 0.18/0.41  Model 5 (0.00 seconds, 0 Inserts)
% 0.18/0.41  
% 0.18/0.41  Stopped by limit on number of solutions
% 0.18/0.41  
% 0.18/0.41  ----> UNIT CONFLICT at   0.03 sec ----> 47 [binary,45.1,42.1] {-} $F.
% 0.18/0.41  
% 0.18/0.41  Length of proof is 5.  Level of proof is 3.
% 0.18/0.41  
% 0.18/0.41  ---------------- PROOF ----------------
% 0.18/0.41  % SZS status Theorem
% 0.18/0.41  % SZS output start Refutation
% 0.18/0.41  
% 0.18/0.41  11 [] {+} symmetric_difference($c1,empty_set)!=$c1|symmetric_difference(empty_set,$c1)!=$c1.
% 0.18/0.41  14 [] {-} symmetric_difference(A,B)=union(difference(A,B),difference(B,A)).
% 0.18/0.41  15 [copy,14,flip.1] {-} union(difference(A,B),difference(B,A))=symmetric_difference(A,B).
% 0.18/0.41  18,17 [] {+} union(A,empty_set)=A.
% 0.18/0.41  19 [] {+} difference(A,empty_set)=A.
% 0.18/0.41  22,21 [] {+} difference(empty_set,A)=empty_set.
% 0.18/0.41  23 [] {+} union(A,B)=union(B,A).
% 0.18/0.41  29 [] {+} A=A.
% 0.18/0.41  39,38 [para_from,19.1.1,15.1.1.2,demod,22] {-} union(empty_set,A)=symmetric_difference(empty_set,A).
% 0.18/0.41  41,40 [para_from,19.1.1,15.1.1.1,demod,22,18,flip.1] {-} symmetric_difference(A,empty_set)=A.
% 0.18/0.41  42 [back_demod,11,demod,41,unit_del,29] {+} symmetric_difference(empty_set,$c1)!=$c1.
% 0.18/0.41  45 [para_into,23.1.1,17.1.1,demod,39,flip.1] {-} symmetric_difference(empty_set,A)=A.
% 0.18/0.41  47 [binary,45.1,42.1] {-} $F.
% 0.18/0.41  
% 0.18/0.41  % SZS output end Refutation
% 0.18/0.41  ------------ end of proof -------------
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  Search stopped by max_proofs option.
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  Search stopped by max_proofs option.
% 0.18/0.41  
% 0.18/0.41  ============ end of search ============
% 0.18/0.41  
% 0.18/0.41  ----------- soft-scott stats ----------
% 0.18/0.41  
% 0.18/0.41  true clauses given           1      (16.7%)
% 0.18/0.41  false clauses given          5
% 0.18/0.41  
% 0.18/0.41        FALSE     TRUE
% 0.18/0.41     3  0         1
% 0.18/0.41     5  1         1
% 0.18/0.41     6  1         0
% 0.18/0.41     7  2         0
% 0.18/0.41     8  0         1
% 0.18/0.41    11  0         3
% 0.18/0.41    13  0         2
% 0.18/0.41    19  2         0
% 0.18/0.41    25  2         0
% 0.18/0.41  tot:  8         8      (50.0% true)
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  Model 5 (0.00 seconds, 0 Inserts)
% 0.18/0.41  
% 0.18/0.41  That finishes the proof of the theorem.
% 0.18/0.41  
% 0.18/0.41  Process 3794 finished Sun Jul 10 07:57:43 2022
%------------------------------------------------------------------------------