TSTP Solution File: SET633+3 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : SET633+3 : TPTP v8.1.0. Released v2.2.0.
% 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 05:19:40 EDT 2022

% Result   : Theorem 0.19s 0.43s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : SET633+3 : TPTP v8.1.0. Released v2.2.0.
% 0.10/0.13  % Command  : sos-script %s
% 0.13/0.34  % Computer : n005.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sat Jul  9 22:01:07 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  Sat Jul  9 22:01:07 2022
% 0.13/0.36  The command was "./sos".  The process ID is 6832.
% 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  formula_list(usable).
% 0.13/0.36  
% 0.13/0.36  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 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 17 during input processing: 0 [copy,17,flip.1] {-} union(A,B)=union(B,A).
% 0.13/0.36    Following clause subsumed by 18 during input processing: 0 [copy,18,flip.1] {-} symmetric_difference(A,B)=symmetric_difference(B,A).
% 0.13/0.36    Following clause subsumed by 23 during input processing: 0 [copy,23,flip.1] {-} A=A.
% 0.13/0.36  23 back subsumes 12.
% 0.13/0.36  
% 0.13/0.36  ======= end of input processing =======
% 0.13/0.38  
% 0.13/0.38  Model 1 (0.00 seconds, 0 Inserts)
% 0.13/0.38  
% 0.13/0.38  Stopped by limit on number of solutions
% 0.13/0.38  
% 0.13/0.38  
% 0.13/0.38  -------------- Softie stats --------------
% 0.13/0.38  
% 0.13/0.38  UPDATE_STOP: 300
% 0.13/0.38  SFINDER_TIME_LIMIT: 2
% 0.13/0.38  SHORT_CLAUSE_CUTOFF: 4
% 0.13/0.38  number of clauses in intial UL: 11
% 0.13/0.38  number of clauses initially in problem: 21
% 0.13/0.38  percentage of clauses intially in UL: 52
% 0.13/0.38  percentage of distinct symbols occuring in initial UL: 100
% 0.13/0.38  percent of all initial clauses that are short: 100
% 0.13/0.38  absolute distinct symbol count: 11
% 0.13/0.38     distinct predicate count: 3
% 0.13/0.38     distinct function count: 5
% 0.13/0.38     distinct constant count: 3
% 0.13/0.38  
% 0.13/0.38  ---------- no more Softie stats ----------
% 0.13/0.38  
% 0.13/0.38  
% 0.13/0.38  
% 0.13/0.38  =========== start of search ===========
% 0.19/0.43  
% 0.19/0.43  -------- PROOF -------- 
% 0.19/0.43  % SZS status Theorem
% 0.19/0.43  % SZS output start Refutation
% 0.19/0.43  
% 0.19/0.43  Model 2 (0.00 seconds, 0 Inserts)
% 0.19/0.43  
% 0.19/0.43  Stopped by limit on number of solutions
% 0.19/0.43  
% 0.19/0.43  Model 3 (0.00 seconds, 0 Inserts)
% 0.19/0.43  
% 0.19/0.43  Stopped by limit on number of solutions
% 0.19/0.43  
% 0.19/0.43  Model 4 (0.00 seconds, 0 Inserts)
% 0.19/0.43  
% 0.19/0.43  Stopped by limit on number of solutions
% 0.19/0.43  
% 0.19/0.43  Model 5 (0.00 seconds, 0 Inserts)
% 0.19/0.43  
% 0.19/0.43  Stopped by limit on number of solutions
% 0.19/0.43  
% 0.19/0.43  Model 6 (0.00 seconds, 0 Inserts)
% 0.19/0.43  
% 0.19/0.43  Stopped by limit on number of solutions
% 0.19/0.43  
% 0.19/0.43  ----> UNIT CONFLICT at   0.05 sec ----> 54 [binary,53.1,47.1] {-} $F.
% 0.19/0.43  
% 0.19/0.43  Length of proof is 3.  Level of proof is 2.
% 0.19/0.43  
% 0.19/0.43  ---------------- PROOF ----------------
% 0.19/0.43  % SZS status Theorem
% 0.19/0.43  % SZS output start Refutation
% 0.19/0.43  
% 0.19/0.43  1 [] {+} -subset(A,B)| -subset(C,B)|subset(union(A,C),B).
% 0.19/0.43  10 [] {+} -subset(symmetric_difference($c3,$c2),$c1).
% 0.19/0.43  13 [] {-} symmetric_difference(A,B)=union(difference(A,B),difference(B,A)).
% 0.19/0.43  15,14 [copy,13,flip.1] {-} union(difference(A,B),difference(B,A))=symmetric_difference(A,B).
% 0.19/0.43  18 [] {+} symmetric_difference(A,B)=symmetric_difference(B,A).
% 0.19/0.43  21 [] {+} subset(difference($c3,$c2),$c1).
% 0.19/0.43  22 [] {-} subset(difference($c2,$c3),$c1).
% 0.19/0.43  47 [para_from,18.1.1,10.1.1] {+} -subset(symmetric_difference($c2,$c3),$c1).
% 0.19/0.43  53 [hyper,21,1,22,demod,15] {-} subset(symmetric_difference($c2,$c3),$c1).
% 0.19/0.43  54 [binary,53.1,47.1] {-} $F.
% 0.19/0.43  
% 0.19/0.43  % SZS output end Refutation
% 0.19/0.43  ------------ end of proof -------------
% 0.19/0.43  
% 0.19/0.43  
% 0.19/0.43  Search stopped by max_proofs option.
% 0.19/0.43  
% 0.19/0.43  
% 0.19/0.43  Search stopped by max_proofs option.
% 0.19/0.43  
% 0.19/0.43  ============ end of search ============
% 0.19/0.43  
% 0.19/0.43  ----------- soft-scott stats ----------
% 0.19/0.43  
% 0.19/0.43  true clauses given           2      (22.2%)
% 0.19/0.43  false clauses given          7
% 0.19/0.43  
% 0.19/0.43        FALSE     TRUE
% 0.19/0.43     5  0         2
% 0.19/0.43     7  0         3
% 0.19/0.43     9  0         2
% 0.19/0.43    10  0         3
% 0.19/0.43    12  0         2
% 0.19/0.43    13  1         0
% 0.19/0.43    14  0         1
% 0.19/0.43    15  1         4
% 0.19/0.43    19  0         1
% 0.19/0.43    21  0         3
% 0.19/0.43    22  0         1
% 0.19/0.43    24  0         2
% 0.19/0.43    25  0         2
% 0.19/0.43  tot:  2         26      (92.9% true)
% 0.19/0.43  
% 0.19/0.43  
% 0.19/0.43  Model 6 (0.00 seconds, 0 Inserts)
% 0.19/0.43  
% 0.19/0.43  That finishes the proof of the theorem.
% 0.19/0.43  
% 0.19/0.43  Process 6832 finished Sat Jul  9 22:01:07 2022
%------------------------------------------------------------------------------