TSTP Solution File: GRP557-1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : GRP557-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-script %s

% Computer : n017.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 : Sat Jul 16 11:43:20 EDT 2022

% Result   : Unsatisfiable 0.56s 0.75s
% Output   : Refutation 0.56s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : GRP557-1 : TPTP v8.1.0. Released v2.6.0.
% 0.10/0.13  % Command  : sos-script %s
% 0.14/0.34  % Computer : n017.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Mon Jun 13 23:55:08 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.14/0.36  ----- Otter 3.2, August 2001 -----
% 0.14/0.36  The process was started by sandbox on n017.cluster.edu,
% 0.14/0.36  Mon Jun 13 23:55:08 2022
% 0.14/0.36  The command was "./sos".  The process ID is 14397.
% 0.14/0.36  
% 0.14/0.36  set(prolog_style_variables).
% 0.14/0.36  set(auto).
% 0.14/0.36     dependent: set(auto1).
% 0.14/0.36     dependent: set(process_input).
% 0.14/0.36     dependent: clear(print_kept).
% 0.14/0.36     dependent: clear(print_new_demod).
% 0.14/0.36     dependent: clear(print_back_demod).
% 0.14/0.36     dependent: clear(print_back_sub).
% 0.14/0.36     dependent: set(control_memory).
% 0.14/0.36     dependent: assign(max_mem, 12000).
% 0.14/0.36     dependent: assign(pick_given_ratio, 4).
% 0.14/0.36     dependent: assign(stats_level, 1).
% 0.14/0.36     dependent: assign(pick_semantic_ratio, 3).
% 0.14/0.36     dependent: assign(sos_limit, 5000).
% 0.14/0.36     dependent: assign(max_weight, 60).
% 0.14/0.36  clear(print_given).
% 0.14/0.36  
% 0.14/0.36  list(usable).
% 0.14/0.36  
% 0.14/0.36  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 0.14/0.36  
% 0.14/0.36  All clauses are units, and equality is present; the
% 0.14/0.36  strategy will be Knuth-Bendix with positive clauses in sos.
% 0.14/0.36  
% 0.14/0.36     dependent: set(knuth_bendix).
% 0.14/0.36     dependent: set(para_from).
% 0.14/0.36     dependent: set(para_into).
% 0.14/0.36     dependent: clear(para_from_right).
% 0.14/0.36     dependent: clear(para_into_right).
% 0.14/0.36     dependent: set(para_from_vars).
% 0.14/0.36     dependent: set(eq_units_both_ways).
% 0.14/0.36     dependent: set(dynamic_demod_all).
% 0.14/0.36     dependent: set(dynamic_demod).
% 0.14/0.36     dependent: set(order_eq).
% 0.14/0.36     dependent: set(back_demod).
% 0.14/0.36     dependent: set(lrpo).
% 0.14/0.36  
% 0.14/0.36  ------------> process usable:
% 0.14/0.36  
% 0.14/0.36  ------------> process sos:
% 0.14/0.36    Following clause subsumed by 6 during input processing: 0 [copy,6,flip.1] {-} A=A.
% 0.14/0.36    Following clause subsumed by 5 during input processing: 0 [copy,7,flip.1] {-} multiply(A,B)=divide(A,inverse(B)).
% 0.14/0.36  
% 0.14/0.36  ======= end of input processing =======
% 0.14/0.39  
% 0.14/0.39  Model 1 (0.00 seconds, 0 Inserts)
% 0.14/0.39  
% 0.14/0.39  Stopped by limit on number of solutions
% 0.14/0.39  
% 0.14/0.39  
% 0.14/0.39  -------------- Softie stats --------------
% 0.14/0.39  
% 0.14/0.39  UPDATE_STOP: 300
% 0.14/0.39  SFINDER_TIME_LIMIT: 2
% 0.14/0.39  SHORT_CLAUSE_CUTOFF: 4
% 0.14/0.39  number of clauses in intial UL: 1
% 0.14/0.39  number of clauses initially in problem: 6
% 0.14/0.39  percentage of clauses intially in UL: 16
% 0.14/0.39  percentage of distinct symbols occuring in initial UL: 83
% 0.14/0.39  percent of all initial clauses that are short: 100
% 0.14/0.39  absolute distinct symbol count: 6
% 0.14/0.39     distinct predicate count: 1
% 0.14/0.39     distinct function count: 3
% 0.14/0.39     distinct constant count: 2
% 0.14/0.39  
% 0.14/0.39  ---------- no more Softie stats ----------
% 0.14/0.39  
% 0.14/0.39  
% 0.14/0.39  
% 0.14/0.39  =========== start of search ===========
% 0.56/0.75  
% 0.56/0.75  -------- PROOF -------- 
% 0.56/0.75  % SZS status Unsatisfiable
% 0.56/0.75  % SZS output start Refutation
% 0.56/0.75  
% 0.56/0.75  Model 2 (0.00 seconds, 0 Inserts)
% 0.56/0.75  
% 0.56/0.75  Stopped by limit on number of solutions
% 0.56/0.75  
% 0.56/0.75  Model 3 (0.00 seconds, 0 Inserts)
% 0.56/0.75  
% 0.56/0.75  Stopped by limit on number of solutions
% 0.56/0.75  
% 0.56/0.75  Stopped by limit on insertions
% 0.56/0.75  
% 0.56/0.75  Model 4 [ 1 9 75914 ] (0.00 seconds, 250000 Inserts)
% 0.56/0.75  
% 0.56/0.75  Model 5 [ 6 1 6719 ] (0.00 seconds, 11768 Inserts)
% 0.56/0.75  
% 0.56/0.75  Model 6 [ 2 4 57826 ] (0.00 seconds, 59900 Inserts)
% 0.56/0.75  
% 0.56/0.75  Model 7 [ 12 1 933 ] (0.00 seconds, 90561 Inserts)
% 0.56/0.75  
% 0.56/0.75  ----> UNIT CONFLICT at   0.36 sec ----> 86 [binary,85.1,2.1] {-} $F.
% 0.56/0.75  
% 0.56/0.75  Length of proof is 9.  Level of proof is 7.
% 0.56/0.75  
% 0.56/0.75  ---------------- PROOF ----------------
% 0.56/0.75  % SZS status Unsatisfiable
% 0.56/0.75  % SZS output start Refutation
% 0.56/0.75  
% 0.56/0.75  1 [] {-} multiply(inverse(a1),a1)!=multiply(inverse(b1),b1).
% 0.56/0.75  2 [copy,1,flip.1] {+} multiply(inverse(b1),b1)!=multiply(inverse(a1),a1).
% 0.56/0.75  3 [] {-} divide(A,inverse(divide(divide(B,C),divide(A,C))))=B.
% 0.56/0.75  5 [] {+} multiply(A,B)=divide(A,inverse(B)).
% 0.56/0.75  7 [copy,5,flip.1] {+} divide(A,inverse(B))=multiply(A,B).
% 0.56/0.75  8 [para_into,3.1.1.2.1.1,3.1.1] {-} divide(A,inverse(divide(B,divide(A,inverse(divide(divide(B,C),divide(D,C)))))))=D.
% 0.56/0.75  21 [para_into,8.1.1.2.1.2,3.1.1] {+} divide(A,inverse(divide(B,B)))=A.
% 0.56/0.75  27 [para_from,21.1.1,8.1.1.2.1.2] {+} divide(A,inverse(divide(B,A)))=B.
% 0.56/0.75  59 [para_into,27.1.1,7.1.1] {+} multiply(A,divide(B,A))=B.
% 0.56/0.75  69 [para_into,59.1.1.2,27.1.1] {+} multiply(inverse(divide(A,B)),A)=B.
% 0.56/0.75  84,83 [para_into,69.1.1.1.1,27.1.1,flip.1] {-} inverse(divide(A,B))=multiply(inverse(A),B).
% 0.56/0.75  85 [para_into,69.1.1.1.1,21.1.1,demod,84] {-} multiply(inverse(A),A)=multiply(inverse(B),B).
% 0.56/0.75  86 [binary,85.1,2.1] {-} $F.
% 0.56/0.75  
% 0.56/0.75  % SZS output end Refutation
% 0.56/0.75  ------------ end of proof -------------
% 0.56/0.75  
% 0.56/0.75  
% 0.56/0.75  Search stopped by max_proofs option.
% 0.56/0.75  
% 0.56/0.75  
% 0.56/0.75  Search stopped by max_proofs option.
% 0.56/0.75  
% 0.56/0.75  ============ end of search ============
% 0.56/0.75  
% 0.56/0.75  ----------- soft-scott stats ----------
% 0.56/0.75  
% 0.56/0.75  true clauses given           2      (20.0%)
% 0.56/0.75  false clauses given          8
% 0.56/0.75  
% 0.56/0.75        FALSE     TRUE
% 0.56/0.75     8  4         0
% 0.56/0.75     9  4         1
% 0.56/0.75    10  0         1
% 0.56/0.75    11  1         0
% 0.56/0.75    12  2         0
% 0.56/0.75    13  5         0
% 0.56/0.75    16  2         0
% 0.56/0.75    17  2         0
% 0.56/0.75    18  5         0
% 0.56/0.75    22  3         0
% 0.56/0.75    27  2         0
% 0.56/0.75  tot:  30        2      (6.2% true)
% 0.56/0.75  
% 0.56/0.75  
% 0.56/0.75  Model 7 [ 12 1 933 ] (0.00 seconds, 90561 Inserts)
% 0.56/0.75  
% 0.56/0.75  That finishes the proof of the theorem.
% 0.56/0.75  
% 0.56/0.75  Process 14397 finished Mon Jun 13 23:55:08 2022
%------------------------------------------------------------------------------