TSTP Solution File: HWV017-1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : HWV017-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-script %s

% Computer : n021.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 19:12:39 EDT 2022

% Result   : Unsatisfiable 4.49s 4.73s
% Output   : Refutation 4.49s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : HWV017-1 : TPTP v8.1.0. Released v2.5.0.
% 0.03/0.14  % Command  : sos-script %s
% 0.13/0.35  % Computer : n021.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Fri Jun 17 05:23:00 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.20/0.38  ----- Otter 3.2, August 2001 -----
% 0.20/0.38  The process was started by sandbox2 on n021.cluster.edu,
% 0.20/0.38  Fri Jun 17 05:23:00 2022
% 0.20/0.38  The command was "./sos".  The process ID is 15267.
% 0.20/0.38  
% 0.20/0.38  set(prolog_style_variables).
% 0.20/0.38  set(auto).
% 0.20/0.38     dependent: set(auto1).
% 0.20/0.38     dependent: set(process_input).
% 0.20/0.38     dependent: clear(print_kept).
% 0.20/0.38     dependent: clear(print_new_demod).
% 0.20/0.38     dependent: clear(print_back_demod).
% 0.20/0.38     dependent: clear(print_back_sub).
% 0.20/0.38     dependent: set(control_memory).
% 0.20/0.38     dependent: assign(max_mem, 12000).
% 0.20/0.38     dependent: assign(pick_given_ratio, 4).
% 0.20/0.38     dependent: assign(stats_level, 1).
% 0.20/0.38     dependent: assign(pick_semantic_ratio, 3).
% 0.20/0.38     dependent: assign(sos_limit, 5000).
% 0.20/0.38     dependent: assign(max_weight, 60).
% 0.20/0.38  clear(print_given).
% 0.20/0.38  
% 0.20/0.38  list(usable).
% 0.20/0.38  
% 0.20/0.38  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=7.
% 0.20/0.38  
% 0.20/0.38  This ia a non-Horn set with equality.  The strategy will be
% 0.20/0.38  Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.20/0.38  unit deletion, with positive clauses in sos and nonpositive
% 0.20/0.38  clauses in usable.
% 0.20/0.38  
% 0.20/0.38     dependent: set(knuth_bendix).
% 0.20/0.38     dependent: set(para_from).
% 0.20/0.38     dependent: set(para_into).
% 0.20/0.38     dependent: clear(para_from_right).
% 0.20/0.38     dependent: clear(para_into_right).
% 0.20/0.38     dependent: set(para_from_vars).
% 0.20/0.38     dependent: set(eq_units_both_ways).
% 0.20/0.38     dependent: set(dynamic_demod_all).
% 0.20/0.38     dependent: set(dynamic_demod).
% 0.20/0.38     dependent: set(order_eq).
% 0.20/0.38     dependent: set(back_demod).
% 0.20/0.38     dependent: set(lrpo).
% 0.20/0.38     dependent: set(hyper_res).
% 0.20/0.38     dependent: set(unit_deletion).
% 0.20/0.38     dependent: set(factor).
% 0.20/0.38  
% 0.20/0.38  ------------> process usable:
% 0.20/0.38  
% 0.20/0.38  ------------> process sos:
% 0.20/0.38    Following clause subsumed by 101 during input processing: 0 [copy,92,flip.1] {-} n1=n1.
% 0.20/0.38    Following clause subsumed by 101 during input processing: 0 [copy,101,flip.1] {-} A=A.
% 0.20/0.38  101 back subsumes 92.
% 0.20/0.38  
% 0.20/0.38  ======= end of input processing =======
% 0.75/0.94  
% 0.75/0.94  Stopped by limit on insertions
% 0.75/0.94  
% 0.75/0.94  
% 0.75/0.94  Failed to model usable list: disabling FINDER
% 0.75/0.94  
% 0.75/0.94  
% 0.75/0.94  
% 0.75/0.94  -------------- Softie stats --------------
% 0.75/0.94  
% 0.75/0.94  UPDATE_STOP: 300
% 0.75/0.94  SFINDER_TIME_LIMIT: 2
% 0.75/0.94  SHORT_CLAUSE_CUTOFF: 4
% 0.75/0.94  number of clauses in intial UL: 82
% 0.75/0.94  number of clauses initially in problem: 98
% 0.75/0.94  percentage of clauses intially in UL: 83
% 0.75/0.94  percentage of distinct symbols occuring in initial UL: 91
% 0.75/0.94  percent of all initial clauses that are short: 100
% 0.75/0.94  absolute distinct symbol count: 24
% 0.75/0.94     distinct predicate count: 13
% 0.75/0.94     distinct function count: 7
% 0.75/0.94     distinct constant count: 4
% 0.75/0.94  
% 0.75/0.94  ---------- no more Softie stats ----------
% 0.75/0.94  
% 0.75/0.94  
% 0.75/0.94  
% 0.75/0.94  =========== start of search ===========
% 4.49/4.68  
% 4.49/4.68  
% 4.49/4.68  Changing weight limit from 60 to 55.
% 4.49/4.68  
% 4.49/4.68  Resetting weight limit to 55 after 120 givens.
% 4.49/4.68  
% 4.49/4.73  
% 4.49/4.73  -------- PROOF -------- 
% 4.49/4.73  % SZS status Unsatisfiable
% 4.49/4.73  % SZS output start Refutation
% 4.49/4.73  
% 4.49/4.73  ----> UNIT CONFLICT at   4.33 sec ----> 5466 [binary,5465.1,102.1] {-} $F.
% 4.49/4.73  
% 4.49/4.73  Length of proof is 11.  Level of proof is 6.
% 4.49/4.73  
% 4.49/4.73  ---------------- PROOF ----------------
% 4.49/4.73  % SZS status Unsatisfiable
% 4.49/4.73  % SZS output start Refutation
% 4.49/4.73  
% 4.49/4.73  1 [] {+} plus(A,n1)!=n0.
% 4.49/4.73  2 [] {+} -gt(A,n0)|gt(A,minus(A,n1)).
% 4.49/4.73  7 [] {+} -gt(A,B)|gt(plus(A,n1),plus(B,n1)).
% 4.49/4.73  13 [] {+} -gt(A,A).
% 4.49/4.73  16 [] {+} int_level(A)=fifo_length| -p_Full(A).
% 4.49/4.73  63 [] {+} p_Reset(A)|p_Wr(A)| -p_Rd(A)| -gt(int_level(A),n0)|int_level(plus(A,n1))=minus(int_level(A),n1).
% 4.49/4.73  70 [] {+} p_Reset(A)|p_Wr(A)| -p_Rd(A)|gt(int_level(A),n0)|int_level(plus(A,n1))=int_level(A).
% 4.49/4.73  81 [] {-} -gt(level(t_139),fifo_length).
% 4.49/4.73  82 [] {+} -p_Wr(t_139).
% 4.49/4.73  83 [] {+} -p_Reset(t_139).
% 4.49/4.73  86 [] {-} A=n0|gt(A,n0).
% 4.49/4.73  87 [] {-} A=n0|A=plus(y_27(A),n1).
% 4.49/4.73  88 [copy,87,flip.2] {-} A=n0|plus(y_27(A),n1)=A.
% 4.49/4.73  90,89 [] {-} plus(n0,A)=A.
% 4.49/4.73  94,93 [] {-} level(A)=int_level(A).
% 4.49/4.73  98 [] {-} p_Rd(t_139).
% 4.49/4.73  99 [] {-} p_Full(plus(t_139,n1)).
% 4.49/4.73  100 [] {-} gt(fifo_length,n0).
% 4.49/4.73  102 [back_demod,81,demod,94] {-} -gt(int_level(t_139),fifo_length).
% 4.49/4.73  130 [hyper,98,70,unit_del,83,82] {-} gt(int_level(t_139),n0)|int_level(plus(t_139,n1))=int_level(t_139).
% 4.49/4.73  141 [hyper,100,7,demod,90] {-} gt(plus(fifo_length,n1),n1).
% 4.49/4.73  160,159 [hyper,99,16] {-} int_level(plus(t_139,n1))=fifo_length.
% 4.49/4.73  161 [back_demod,130,demod,160,flip.2] {-} gt(int_level(t_139),n0)|int_level(t_139)=fifo_length.
% 4.49/4.73  873 [para_from,88.1.1,141.1.1.1,demod,90,unit_del,13] {-} plus(y_27(fifo_length),n1)=fifo_length.
% 4.49/4.73  2400 [para_from,873.1.1,1.1.1,flip.1] {-} n0!=fifo_length.
% 4.49/4.73  5457 [para_into,161.2.1,86.1.1,unit_del,2400,factor_simp] {-} gt(int_level(t_139),n0).
% 4.49/4.73  5462,5461 [hyper,5457,63,98,demod,160,unit_del,83,82,flip.1] {-} minus(int_level(t_139),n1)=fifo_length.
% 4.49/4.73  5465 [hyper,5457,2,demod,5462] {-} gt(int_level(t_139),fifo_length).
% 4.49/4.73  5466 [binary,5465.1,102.1] {-} $F.
% 4.49/4.73  
% 4.49/4.73  % SZS output end Refutation
% 4.49/4.73  ------------ end of proof -------------
% 4.49/4.73  
% 4.49/4.73  
% 4.49/4.73  Search stopped by max_proofs option.
% 4.49/4.73  
% 4.49/4.73  
% 4.49/4.73  Search stopped by max_proofs option.
% 4.49/4.73  
% 4.49/4.73  ============ end of search ============
% 4.49/4.73  
% 4.49/4.73  That finishes the proof of the theorem.
% 4.49/4.73  
% 4.49/4.73  Process 15267 finished Fri Jun 17 05:23:04 2022
%------------------------------------------------------------------------------