TSTP Solution File: NUM837+1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : NUM837+1 : TPTP v8.1.0. Released v4.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-script %s

% Computer : n003.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 : Mon Jul 18 14:22:31 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
% 0.07/0.11  % Problem  : NUM837+1 : TPTP v8.1.0. Released v4.1.0.
% 0.07/0.12  % Command  : sos-script %s
% 0.11/0.33  % Computer : n003.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 600
% 0.11/0.33  % DateTime : Thu Jul  7 15:12:27 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 0.11/0.34  ----- Otter 3.2, August 2001 -----
% 0.11/0.34  The process was started by sandbox on n003.cluster.edu,
% 0.11/0.34  Thu Jul  7 15:12:27 2022
% 0.11/0.34  The command was "./sos".  The process ID is 30009.
% 0.11/0.34  
% 0.11/0.34  set(prolog_style_variables).
% 0.11/0.34  set(auto).
% 0.11/0.34     dependent: set(auto1).
% 0.11/0.34     dependent: set(process_input).
% 0.11/0.34     dependent: clear(print_kept).
% 0.11/0.34     dependent: clear(print_new_demod).
% 0.11/0.34     dependent: clear(print_back_demod).
% 0.11/0.34     dependent: clear(print_back_sub).
% 0.11/0.34     dependent: set(control_memory).
% 0.11/0.34     dependent: assign(max_mem, 12000).
% 0.11/0.34     dependent: assign(pick_given_ratio, 4).
% 0.11/0.34     dependent: assign(stats_level, 1).
% 0.11/0.34     dependent: assign(pick_semantic_ratio, 3).
% 0.11/0.34     dependent: assign(sos_limit, 5000).
% 0.11/0.34     dependent: assign(max_weight, 60).
% 0.11/0.34  clear(print_given).
% 0.11/0.34  
% 0.11/0.34  formula_list(usable).
% 0.11/0.34  
% 0.11/0.34  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 0.11/0.34  
% 0.11/0.34  This ia a non-Horn set with equality.  The strategy will be
% 0.11/0.34  Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.11/0.34  unit deletion, with positive clauses in sos and nonpositive
% 0.11/0.34  clauses in usable.
% 0.11/0.34  
% 0.11/0.34     dependent: set(knuth_bendix).
% 0.11/0.34     dependent: set(para_from).
% 0.11/0.34     dependent: set(para_into).
% 0.11/0.34     dependent: clear(para_from_right).
% 0.11/0.34     dependent: clear(para_into_right).
% 0.11/0.34     dependent: set(para_from_vars).
% 0.11/0.34     dependent: set(eq_units_both_ways).
% 0.11/0.34     dependent: set(dynamic_demod_all).
% 0.11/0.34     dependent: set(dynamic_demod).
% 0.11/0.34     dependent: set(order_eq).
% 0.11/0.34     dependent: set(back_demod).
% 0.11/0.34     dependent: set(lrpo).
% 0.11/0.34     dependent: set(hyper_res).
% 0.11/0.34     dependent: set(unit_deletion).
% 0.11/0.34     dependent: set(factor).
% 0.11/0.34  
% 0.11/0.34  ------------> process usable:
% 0.11/0.34    Following clause subsumed by 29 during input processing: 0 [] {-} vsucc(A)!=vsucc(B)|A=B.
% 0.11/0.34  
% 0.11/0.34  ------------> process sos:
% 0.11/0.34    Following clause subsumed by 37 during input processing: 0 [demod,43] {-} vplus(A,v1)=vplus(v1,A).
% 0.11/0.34    Following clause subsumed by 37 during input processing: 0 [copy,37,flip.1] {-} vplus(A,B)=vplus(B,A).
% 0.11/0.34    Following clause subsumed by 50 during input processing: 0 [copy,50,flip.1] {-} A=A.
% 0.11/0.34    Following clause subsumed by 47 during input processing: 0 [copy,51,flip.1] {-} vplus(A,vplus(v1,B))=vplus(v1,vplus(A,B)).
% 0.11/0.34  
% 0.11/0.34  ======= end of input processing =======
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  Failed to model usable list: disabling FINDER
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  -------------- Softie stats --------------
% 0.18/0.41  
% 0.18/0.41  UPDATE_STOP: 300
% 0.18/0.41  SFINDER_TIME_LIMIT: 2
% 0.18/0.41  SHORT_CLAUSE_CUTOFF: 4
% 0.18/0.41  number of clauses in intial UL: 24
% 0.18/0.41  number of clauses initially in problem: 37
% 0.18/0.41  percentage of clauses intially in UL: 64
% 0.18/0.41  percentage of distinct symbols occuring in initial UL: 62
% 0.18/0.41  percent of all initial clauses that are short: 100
% 0.18/0.41  absolute distinct symbol count: 16
% 0.18/0.41     distinct predicate count: 5
% 0.18/0.41     distinct function count: 7
% 0.18/0.41     distinct constant count: 4
% 0.18/0.41  
% 0.18/0.41  ---------- no more Softie stats ----------
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  =========== 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  ----> UNIT CONFLICT at   0.04 sec ----> 64 [binary,62.1,2.1] {-} $F.
% 0.18/0.41  
% 0.18/0.41  Length of proof is 3.  Level of proof is 2.
% 0.18/0.41  
% 0.18/0.41  ---------------- PROOF ----------------
% 0.18/0.41  % SZS status Theorem
% 0.18/0.41  % SZS output start Refutation
% 0.18/0.41  
% 0.18/0.41  1 [] {-} vd269!=vplus(vd268,A).
% 0.18/0.41  2 [copy,1,flip.1] {+} vplus(vd268,A)!=vd269.
% 0.18/0.41  16 [] {-} -less(A,B)|B=vplus(A,$f1(B,A)).
% 0.18/0.41  17 [copy,16,flip.2] {+} -less(A,B)|vplus(A,$f1(B,A))=B.
% 0.18/0.41  33 [] {-} less(vd268,vd269).
% 0.18/0.41  62 [hyper,33,17] {-} vplus(vd268,$f1(vd269,vd268))=vd269.
% 0.18/0.41  64 [binary,62.1,2.1] {-} $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  That finishes the proof of the theorem.
% 0.18/0.41  
% 0.18/0.41  Process 30009 finished Thu Jul  7 15:12:27 2022
%------------------------------------------------------------------------------