TSTP Solution File: SYN350-1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : SYN350-1 : TPTP v8.1.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-script %s

% Computer : n024.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 : Thu Jul 21 12:12:04 EDT 2022

% Result   : Unsatisfiable 0.19s 1.86s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.73  % Problem  : SYN350-1 : TPTP v8.1.0. Released v1.2.0.
% 0.07/0.74  % Command  : sos-script %s
% 0.15/1.79  % Computer : n024.cluster.edu
% 0.15/1.79  % Model    : x86_64 x86_64
% 0.15/1.79  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/1.79  % Memory   : 8042.1875MB
% 0.15/1.79  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/1.79  % CPULimit : 300
% 0.15/1.79  % WCLimit  : 600
% 0.15/1.79  % DateTime : Tue Jul 12 01:48:51 EDT 2022
% 0.15/1.79  % CPUTime  : 
% 0.19/1.80  ----- Otter 3.2, August 2001 -----
% 0.19/1.80  The process was started by sandbox on n024.cluster.edu,
% 0.19/1.80  Tue Jul 12 01:48:51 2022
% 0.19/1.80  The command was "./sos".  The process ID is 18661.
% 0.19/1.80  
% 0.19/1.80  set(prolog_style_variables).
% 0.19/1.80  set(auto).
% 0.19/1.80     dependent: set(auto1).
% 0.19/1.80     dependent: set(process_input).
% 0.19/1.80     dependent: clear(print_kept).
% 0.19/1.80     dependent: clear(print_new_demod).
% 0.19/1.80     dependent: clear(print_back_demod).
% 0.19/1.80     dependent: clear(print_back_sub).
% 0.19/1.80     dependent: set(control_memory).
% 0.19/1.80     dependent: assign(max_mem, 12000).
% 0.19/1.80     dependent: assign(pick_given_ratio, 4).
% 0.19/1.80     dependent: assign(stats_level, 1).
% 0.19/1.80     dependent: assign(pick_semantic_ratio, 3).
% 0.19/1.80     dependent: assign(sos_limit, 5000).
% 0.19/1.80     dependent: assign(max_weight, 60).
% 0.19/1.80  clear(print_given).
% 0.19/1.80  
% 0.19/1.80  list(usable).
% 0.19/1.80  
% 0.19/1.80  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=3.
% 0.19/1.80  
% 0.19/1.80  This is a non-Horn set without equality.  The strategy
% 0.19/1.80  will be ordered hyper_res, ur_res, unit deletion, and
% 0.19/1.80  factoring, with satellites in sos and nuclei in usable.
% 0.19/1.80  
% 0.19/1.80     dependent: set(hyper_res).
% 0.19/1.80     dependent: set(factor).
% 0.19/1.80     dependent: set(unit_deletion).
% 0.19/1.80  
% 0.19/1.80  ------------> process usable:
% 0.19/1.80  
% 0.19/1.80  ------------> process sos:
% 0.19/1.80  
% 0.19/1.80  ======= end of input processing =======
% 0.19/1.83  
% 0.19/1.83  Model 1 (0.00 seconds, 0 Inserts)
% 0.19/1.83  
% 0.19/1.83  Stopped by limit on number of solutions
% 0.19/1.83  
% 0.19/1.83  
% 0.19/1.83  -------------- Softie stats --------------
% 0.19/1.83  
% 0.19/1.83  UPDATE_STOP: 300
% 0.19/1.83  SFINDER_TIME_LIMIT: 2
% 0.19/1.83  SHORT_CLAUSE_CUTOFF: 4
% 0.19/1.83  number of clauses in intial UL: 8
% 0.19/1.83  number of clauses initially in problem: 13
% 0.19/1.83  percentage of clauses intially in UL: 61
% 0.19/1.83  percentage of distinct symbols occuring in initial UL: 100
% 0.19/1.83  percent of all initial clauses that are short: 100
% 0.19/1.83  absolute distinct symbol count: 3
% 0.19/1.83     distinct predicate count: 1
% 0.19/1.83     distinct function count: 1
% 0.19/1.83     distinct constant count: 1
% 0.19/1.83  
% 0.19/1.83  ---------- no more Softie stats ----------
% 0.19/1.83  
% 0.19/1.83  
% 0.19/1.83  
% 0.19/1.83  =========== start of search ===========
% 0.19/1.86  
% 0.19/1.86  -------- PROOF -------- 
% 0.19/1.86  % SZS status Unsatisfiable
% 0.19/1.86  % SZS output start Refutation
% 0.19/1.86  
% 0.19/1.86  -----> EMPTY CLAUSE at   0.03 sec ----> 22 [hyper,21,8,20] {-} $F.
% 0.19/1.86  
% 0.19/1.86  Length of proof is 6.  Level of proof is 4.
% 0.19/1.86  
% 0.19/1.86  ---------------- PROOF ----------------
% 0.19/1.86  % SZS status Unsatisfiable
% 0.19/1.86  % SZS output start Refutation
% 0.19/1.86  
% 0.19/1.86  1 [] {+} -f(a,z(A,B))|f(z(A,B),a).
% 0.19/1.86  4 [] {+} f(a,z(A,B))|f(B,z(A,B))| -f(A,B).
% 0.19/1.86  5 [] {+} -f(a,z(A,B))| -f(B,z(A,B))| -f(A,B).
% 0.19/1.86  7 [factor,4.1.2] {+} f(a,z(A,a))| -f(A,a).
% 0.19/1.86  8 [factor,5.1.2] {+} -f(a,z(A,a))| -f(A,a).
% 0.19/1.86  9 [] {-} f(a,z(A,B))|f(B,z(A,B))|f(A,z(A,B)).
% 0.19/1.86  10 [factor,9.1.2] {-} f(a,z(A,a))|f(A,z(A,a)).
% 0.19/1.86  13 [factor,10.1.2] {-} f(a,z(a,a)).
% 0.19/1.86  20 [hyper,13,1] {-} f(z(a,a),a).
% 0.19/1.86  21 [hyper,20,7] {-} f(a,z(z(a,a),a)).
% 0.19/1.86  22 [hyper,21,8,20] {-} $F.
% 0.19/1.86  
% 0.19/1.86  % SZS output end Refutation
% 0.19/1.86  ------------ end of proof -------------
% 0.19/1.86  
% 0.19/1.86  
% 0.19/1.86  Search stopped by max_proofs option.
% 0.19/1.86  
% 0.19/1.86  
% 0.19/1.86  Search stopped by max_proofs option.
% 0.19/1.86  
% 0.19/1.86  ============ end of search ============
% 0.19/1.86  
% 0.19/1.86  ----------- soft-scott stats ----------
% 0.19/1.86  
% 0.19/1.86  true clauses given           0      (0.0%)
% 0.19/1.86  false clauses given          4
% 0.19/1.86  
% 0.19/1.86        FALSE     TRUE
% 0.19/1.86    10  4         0
% 0.19/1.86    15  1         0
% 0.19/1.86    21  2         0
% 0.19/1.86    26  2         0
% 0.19/1.86  tot:  9         0      (0.0% true)
% 0.19/1.86  
% 0.19/1.86  
% 0.19/1.86  Model 1 (0.00 seconds, 0 Inserts)
% 0.19/1.86  
% 0.19/1.86  That finishes the proof of the theorem.
% 0.19/1.86  
% 0.19/1.86  Process 18661 finished Tue Jul 12 01:48:51 2022
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