TSTP Solution File: SET877+1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : SET877+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-script %s

% Computer : n008.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 05:21:31 EDT 2022

% Result   : Theorem 0.19s 0.41s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET877+1 : TPTP v8.1.0. Released v3.2.0.
% 0.06/0.13  % Command  : sos-script %s
% 0.12/0.34  % Computer : n008.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun Jul 10 19:52:08 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.36  ----- Otter 3.2, August 2001 -----
% 0.12/0.36  The process was started by sandbox on n008.cluster.edu,
% 0.12/0.36  Sun Jul 10 19:52:08 2022
% 0.12/0.36  The command was "./sos".  The process ID is 23869.
% 0.12/0.36  
% 0.12/0.36  set(prolog_style_variables).
% 0.12/0.36  set(auto).
% 0.12/0.36     dependent: set(auto1).
% 0.12/0.36     dependent: set(process_input).
% 0.12/0.36     dependent: clear(print_kept).
% 0.12/0.36     dependent: clear(print_new_demod).
% 0.12/0.36     dependent: clear(print_back_demod).
% 0.12/0.36     dependent: clear(print_back_sub).
% 0.12/0.36     dependent: set(control_memory).
% 0.12/0.36     dependent: assign(max_mem, 12000).
% 0.12/0.36     dependent: assign(pick_given_ratio, 4).
% 0.12/0.36     dependent: assign(stats_level, 1).
% 0.12/0.36     dependent: assign(pick_semantic_ratio, 3).
% 0.12/0.36     dependent: assign(sos_limit, 5000).
% 0.12/0.36     dependent: assign(max_weight, 60).
% 0.12/0.36  clear(print_given).
% 0.12/0.36  
% 0.12/0.36  formula_list(usable).
% 0.12/0.36  
% 0.12/0.36  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 0.12/0.36  
% 0.12/0.36  This ia a non-Horn set with equality.  The strategy will be
% 0.12/0.36  Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.12/0.36  unit deletion, with positive clauses in sos and nonpositive
% 0.12/0.36  clauses in usable.
% 0.12/0.36  
% 0.12/0.36     dependent: set(knuth_bendix).
% 0.12/0.36     dependent: set(para_from).
% 0.12/0.36     dependent: set(para_into).
% 0.12/0.36     dependent: clear(para_from_right).
% 0.12/0.36     dependent: clear(para_into_right).
% 0.12/0.36     dependent: set(para_from_vars).
% 0.12/0.36     dependent: set(eq_units_both_ways).
% 0.12/0.36     dependent: set(dynamic_demod_all).
% 0.12/0.36     dependent: set(dynamic_demod).
% 0.12/0.36     dependent: set(order_eq).
% 0.12/0.36     dependent: set(back_demod).
% 0.12/0.36     dependent: set(lrpo).
% 0.12/0.36     dependent: set(hyper_res).
% 0.12/0.36     dependent: set(unit_deletion).
% 0.12/0.36     dependent: set(factor).
% 0.12/0.36  
% 0.12/0.36  ------------> process usable:
% 0.12/0.36  
% 0.12/0.36  ------------> process sos:
% 0.12/0.36    Following clause subsumed by 9 during input processing: 0 [copy,9,flip.1] {-} set_intersection2(A,B)=set_intersection2(B,A).
% 0.12/0.36    Following clause subsumed by 16 during input processing: 0 [copy,16,flip.1] {-} A=A.
% 0.12/0.36  
% 0.12/0.36  ======= end of input processing =======
% 0.12/0.39  
% 0.12/0.39  Model 1 (0.00 seconds, 0 Inserts)
% 0.12/0.39  
% 0.12/0.39  Stopped by limit on number of solutions
% 0.12/0.39  
% 0.12/0.39  
% 0.12/0.39  -------------- Softie stats --------------
% 0.12/0.39  
% 0.12/0.39  UPDATE_STOP: 300
% 0.12/0.39  SFINDER_TIME_LIMIT: 2
% 0.12/0.39  SHORT_CLAUSE_CUTOFF: 4
% 0.12/0.39  number of clauses in intial UL: 8
% 0.12/0.39  number of clauses initially in problem: 16
% 0.12/0.39  percentage of clauses intially in UL: 50
% 0.12/0.39  percentage of distinct symbols occuring in initial UL: 90
% 0.12/0.39  percent of all initial clauses that are short: 100
% 0.12/0.39  absolute distinct symbol count: 10
% 0.12/0.39     distinct predicate count: 3
% 0.12/0.39     distinct function count: 3
% 0.12/0.39     distinct constant count: 4
% 0.12/0.39  
% 0.12/0.39  ---------- no more Softie stats ----------
% 0.12/0.39  
% 0.12/0.39  
% 0.12/0.39  
% 0.12/0.39  Model 2 (0.00 seconds, 0 Inserts)
% 0.12/0.39  
% 0.12/0.39  Stopped by limit on number of solutions
% 0.12/0.39  
% 0.12/0.39  =========== start of search ===========
% 0.19/0.41  
% 0.19/0.41  -------- PROOF -------- 
% 0.19/0.41  % SZS status Theorem
% 0.19/0.41  % SZS output start Refutation
% 0.19/0.41  
% 0.19/0.41  Model 3 (0.00 seconds, 0 Inserts)
% 0.19/0.41  
% 0.19/0.41  Stopped by limit on number of solutions
% 0.19/0.41  
% 0.19/0.41  ----> UNIT CONFLICT at   0.03 sec ----> 97 [binary,95.1,7.1] {+} $F.
% 0.19/0.41  
% 0.19/0.41  Length of proof is 3.  Level of proof is 3.
% 0.19/0.41  
% 0.19/0.41  ---------------- PROOF ----------------
% 0.19/0.41  % SZS status Theorem
% 0.19/0.41  % SZS output start Refutation
% 0.19/0.41  
% 0.19/0.41  2 [] {+} A!=singleton(B)| -in(C,A)|C=B.
% 0.19/0.41  5 [] {+} set_intersection2(A,singleton(B))!=singleton(B)|in(B,A).
% 0.19/0.41  7 [] {+} $c4!=$c3.
% 0.19/0.41  9 [] {+} set_intersection2(A,B)=set_intersection2(B,A).
% 0.19/0.41  14 [] {-} set_intersection2(singleton($c4),singleton($c3))=singleton($c4).
% 0.19/0.41  16 [] {+} A=A.
% 0.19/0.41  32 [para_into,14.1.1,9.1.1] {-} set_intersection2(singleton($c3),singleton($c4))=singleton($c4).
% 0.19/0.41  35 [hyper,32,5] {-} in($c4,singleton($c3)).
% 0.19/0.41  95 [hyper,16,2,35] {-} $c4=$c3.
% 0.19/0.41  97 [binary,95.1,7.1] {+} $F.
% 0.19/0.41  
% 0.19/0.41  % SZS output end Refutation
% 0.19/0.41  ------------ end of proof -------------
% 0.19/0.41  
% 0.19/0.41  
% 0.19/0.41  Search stopped by max_proofs option.
% 0.19/0.41  
% 0.19/0.41  
% 0.19/0.41  Search stopped by max_proofs option.
% 0.19/0.41  
% 0.19/0.41  ============ end of search ============
% 0.19/0.41  
% 0.19/0.41  ----------- soft-scott stats ----------
% 0.19/0.41  
% 0.19/0.41  true clauses given           2      (22.2%)
% 0.19/0.41  false clauses given          7
% 0.19/0.41  
% 0.19/0.41        FALSE     TRUE
% 0.19/0.41     4  0         1
% 0.19/0.41     8  0         1
% 0.19/0.41     9  0         2
% 0.19/0.41    10  0         2
% 0.19/0.41    11  2         1
% 0.19/0.41    13  1         2
% 0.19/0.41    14  1         3
% 0.19/0.41    15  11        1
% 0.19/0.41    17  2         2
% 0.19/0.41    18  3         0
% 0.19/0.41    19  6         2
% 0.19/0.41    21  8         2
% 0.19/0.41    22  4         2
% 0.19/0.41    23  1         0
% 0.19/0.41    24  1         1
% 0.19/0.41    25  0         2
% 0.19/0.41    27  1         0
% 0.19/0.41    28  1         0
% 0.19/0.41    29  6         0
% 0.19/0.41  tot:  48        24      (33.3% true)
% 0.19/0.41  
% 0.19/0.41  
% 0.19/0.41  Model 3 (0.00 seconds, 0 Inserts)
% 0.19/0.41  
% 0.19/0.41  That finishes the proof of the theorem.
% 0.19/0.41  
% 0.19/0.41  Process 23869 finished Sun Jul 10 19:52:08 2022
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