TSTP Solution File: LCL403-1 by SOS---2.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SOS---2.0
% Problem  : LCL403-1 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : sos-script %s

% Computer : n013.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 : Sun Jul 17 14:29:57 EDT 2022

% Result   : Unsatisfiable 53.35s 53.55s
% Output   : Refutation 53.35s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : LCL403-1 : TPTP v8.1.0. Released v2.3.0.
% 0.11/0.12  % Command  : sos-script %s
% 0.12/0.33  % Computer : n013.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sat Jul  2 19:49:29 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.35  ----- Otter 3.2, August 2001 -----
% 0.12/0.35  The process was started by sandbox2 on n013.cluster.edu,
% 0.12/0.35  Sat Jul  2 19:49:29 2022
% 0.12/0.35  The command was "./sos".  The process ID is 18649.
% 0.12/0.35  
% 0.12/0.35  set(prolog_style_variables).
% 0.12/0.35  set(auto).
% 0.12/0.35     dependent: set(auto1).
% 0.12/0.35     dependent: set(process_input).
% 0.12/0.35     dependent: clear(print_kept).
% 0.12/0.35     dependent: clear(print_new_demod).
% 0.12/0.35     dependent: clear(print_back_demod).
% 0.12/0.35     dependent: clear(print_back_sub).
% 0.12/0.35     dependent: set(control_memory).
% 0.12/0.35     dependent: assign(max_mem, 12000).
% 0.12/0.35     dependent: assign(pick_given_ratio, 4).
% 0.12/0.35     dependent: assign(stats_level, 1).
% 0.12/0.35     dependent: assign(pick_semantic_ratio, 3).
% 0.12/0.35     dependent: assign(sos_limit, 5000).
% 0.12/0.35     dependent: assign(max_weight, 60).
% 0.12/0.35  clear(print_given).
% 0.12/0.35  
% 0.12/0.35  list(usable).
% 0.12/0.35  
% 0.12/0.35  SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=3.
% 0.12/0.35  
% 0.12/0.35  This is a Horn set without equality.  The strategy will
% 0.12/0.35  be hyperresolution, with satellites in sos and nuclei
% 0.12/0.35  in usable.
% 0.12/0.35  
% 0.12/0.35     dependent: set(hyper_res).
% 0.12/0.35     dependent: clear(order_hyper).
% 0.12/0.35  
% 0.12/0.35  ------------> process usable:
% 0.12/0.35  
% 0.12/0.35  ------------> process sos:
% 0.12/0.35  
% 0.12/0.35  ======= end of input processing =======
% 0.12/0.37  
% 0.12/0.37  Model 1 (0.00 seconds, 0 Inserts)
% 0.12/0.37  
% 0.12/0.37  Stopped by limit on number of solutions
% 0.12/0.37  
% 0.12/0.37  
% 0.12/0.37  -------------- Softie stats --------------
% 0.12/0.37  
% 0.12/0.37  UPDATE_STOP: 300
% 0.12/0.37  SFINDER_TIME_LIMIT: 2
% 0.12/0.37  SHORT_CLAUSE_CUTOFF: 4
% 0.12/0.37  number of clauses in intial UL: 2
% 0.12/0.37  number of clauses initially in problem: 5
% 0.12/0.37  percentage of clauses intially in UL: 40
% 0.12/0.37  percentage of distinct symbols occuring in initial UL: 100
% 0.12/0.37  percent of all initial clauses that are short: 100
% 0.12/0.37  absolute distinct symbol count: 5
% 0.12/0.37     distinct predicate count: 1
% 0.12/0.37     distinct function count: 2
% 0.12/0.37     distinct constant count: 2
% 0.12/0.37  
% 0.12/0.37  ---------- no more Softie stats ----------
% 0.12/0.37  
% 0.12/0.37  
% 0.12/0.37  
% 0.12/0.37  =========== start of search ===========
% 22.22/22.41  
% 22.22/22.41  
% 22.22/22.41  Changing weight limit from 60 to 59.
% 22.22/22.41  
% 22.22/22.41  Model 2 (0.00 seconds, 0 Inserts)
% 22.22/22.41  
% 22.22/22.41  Stopped by limit on number of solutions
% 22.22/22.41  
% 22.22/22.41  Model 3 (0.00 seconds, 0 Inserts)
% 22.22/22.41  
% 22.22/22.41  Stopped by limit on number of solutions
% 22.22/22.41  
% 22.22/22.41  Stopped by limit on insertions
% 22.22/22.41  
% 22.22/22.41  Model 4 [ 1 1 167 ] (0.00 seconds, 250000 Inserts)
% 22.22/22.41  
% 22.22/22.41  Stopped by limit on insertions
% 22.22/22.41  
% 22.22/22.41  Model 5 [ 1 0 229 ] (0.00 seconds, 250000 Inserts)
% 22.22/22.41  
% 22.22/22.41  Stopped by limit on insertions
% 22.22/22.41  
% 22.22/22.41  Model 6 [ 1 0 107 ] (0.00 seconds, 250000 Inserts)
% 22.22/22.41  
% 22.22/22.41  Stopped by limit on insertions
% 22.22/22.41  
% 22.22/22.41  Stopped by limit on insertions
% 22.22/22.41  
% 22.22/22.41  Model 7 [ 1 1 42 ] (0.00 seconds, 250000 Inserts)
% 22.22/22.41  
% 22.22/22.41  Resetting weight limit to 59 after 145 givens.
% 22.22/22.41  
% 46.72/46.91  
% 46.72/46.91  
% 46.72/46.91  Changing weight limit from 59 to 60.
% 46.72/46.91  
% 46.72/46.91  Stopped by limit on insertions
% 46.72/46.91  
% 46.72/46.91  Stopped by limit on insertions
% 46.72/46.91  
% 46.72/46.91  Model 8 [ 1 0 462 ] (0.00 seconds, 250000 Inserts)
% 46.72/46.91  
% 46.72/46.91  Stopped by limit on insertions
% 46.72/46.91  
% 46.72/46.91  Model 9 [ 1 1 2815 ] (0.00 seconds, 250000 Inserts)
% 46.72/46.91  
% 46.72/46.91  Stopped by limit on insertions
% 46.72/46.91  
% 46.72/46.91  Model 10 [ 2 1 256 ] (0.00 seconds, 250000 Inserts)
% 46.72/46.91  
% 46.72/46.91  Resetting weight limit to 60 after 175 givens.
% 46.72/46.91  
% 46.72/46.94  
% 46.72/46.94  
% 46.72/46.94  Changing weight limit from 60 to 59.
% 46.72/46.94  
% 46.72/46.94  Resetting weight limit to 59 after 180 givens.
% 46.72/46.94  
% 47.94/48.12  
% 47.94/48.12  
% 47.94/48.12  Changing weight limit from 59 to 37.
% 47.94/48.12  
% 47.94/48.12  Resetting weight limit to 37 after 335 givens.
% 47.94/48.12  
% 47.97/48.14  
% 47.97/48.14  
% 47.97/48.14  Changing weight limit from 37 to 34.
% 47.97/48.14  
% 47.97/48.14  Resetting weight limit to 34 after 340 givens.
% 47.97/48.14  
% 48.05/48.23  
% 48.05/48.23  
% 48.05/48.23  Changing weight limit from 34 to 26.
% 48.05/48.23  
% 48.05/48.23  Resetting weight limit to 26 after 345 givens.
% 48.05/48.23  
% 48.05/48.26  
% 48.05/48.26  
% 48.05/48.26  Changing weight limit from 26 to 25.
% 48.05/48.26  
% 48.05/48.26  Resetting weight limit to 25 after 350 givens.
% 48.05/48.26  
% 48.27/48.44  
% 48.27/48.44  
% 48.27/48.44  Changing weight limit from 25 to 23.
% 48.27/48.44  
% 48.27/48.44  Resetting weight limit to 23 after 360 givens.
% 48.27/48.44  
% 48.40/48.58  
% 48.40/48.58  
% 48.40/48.58  Changing weight limit from 23 to 22.
% 48.40/48.58  
% 48.40/48.58  Resetting weight limit to 22 after 375 givens.
% 48.40/48.58  
% 48.40/48.62  
% 48.40/48.62  
% 48.40/48.62  Changing weight limit from 22 to 21.
% 48.40/48.62  
% 48.40/48.62  Resetting weight limit to 21 after 380 givens.
% 48.40/48.62  
% 48.52/48.71  
% 48.52/48.71  
% 48.52/48.71  Changing weight limit from 21 to 20.
% 48.52/48.71  
% 48.52/48.71  Modelling stopped after 300 given clauses and 0.00 seconds
% 48.52/48.71  
% 48.52/48.71  
% 48.52/48.71  Resetting weight limit to 20 after 400 givens.
% 48.52/48.71  
% 48.71/48.89  
% 48.71/48.89  
% 48.71/48.89  Changing weight limit from 20 to 19.
% 48.71/48.89  
% 48.71/48.89  Resetting weight limit to 19 after 435 givens.
% 48.71/48.89  
% 48.86/49.11  
% 48.86/49.11  
% 48.86/49.11  Changing weight limit from 19 to 18.
% 48.86/49.11  
% 48.86/49.11  Resetting weight limit to 18 after 490 givens.
% 48.86/49.11  
% 49.16/49.37  
% 49.16/49.37  
% 49.16/49.37  Changing weight limit from 18 to 17.
% 49.16/49.37  
% 49.16/49.37  Resetting weight limit to 17 after 555 givens.
% 49.16/49.37  
% 49.41/49.59  
% 49.41/49.59  
% 49.41/49.59  Changing weight limit from 17 to 16.
% 49.41/49.59  
% 49.41/49.59  Resetting weight limit to 16 after 610 givens.
% 49.41/49.59  
% 50.24/50.46  
% 50.24/50.46  
% 50.24/50.46  Changing weight limit from 16 to 15.
% 50.24/50.46  
% 50.24/50.46  Resetting weight limit to 15 after 940 givens.
% 50.24/50.46  
% 52.94/53.11  
% 52.94/53.11  
% 52.94/53.11  Changing weight limit from 15 to 14.
% 52.94/53.11  
% 52.94/53.11  Resetting weight limit to 14 after 1810 givens.
% 52.94/53.11  
% 53.35/53.55  
% 53.35/53.55  -- HEY sandbox2, WE HAVE A PROOF!! -- 
% 53.35/53.55  
% 53.35/53.55  ----> UNIT CONFLICT at  52.64 sec ----> 49289 [binary,49288.1,2.1] {-} $F.
% 53.35/53.55  
% 53.35/53.55  Length of proof is 40.  Level of proof is 21.
% 53.35/53.55  
% 53.35/53.55  ---------------- PROOF ----------------
% 53.35/53.55  % SZS status Unsatisfiable
% 53.35/53.55  % SZS output start Refutation
% 53.35/53.55  
% 53.35/53.55  1 [] {+} -is_a_theorem(implies(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 53.35/53.55  2 [] {+} -is_a_theorem(implies(x,implies(not(y),not(implies(x,y))))).
% 53.35/53.55  3 [] {-} is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C)))).
% 53.35/53.55  4 [] {+} is_a_theorem(implies(implies(not(A),A),A)).
% 53.35/53.55  5 [] {+} is_a_theorem(implies(A,implies(not(A),B))).
% 53.35/53.55  6 [hyper,3,1,3] {-} is_a_theorem(implies(implies(implies(implies(A,B),implies(C,B)),D),implies(implies(C,A),D))).
% 53.35/53.55  7 [hyper,4,1,3] {-} is_a_theorem(implies(implies(A,B),implies(implies(not(A),A),B))).
% 53.35/53.55  9 [hyper,5,1,3] {-} is_a_theorem(implies(implies(implies(not(A),B),C),implies(A,C))).
% 53.35/53.55  12 [hyper,7,1,7] {+} is_a_theorem(implies(implies(not(implies(A,B)),implies(A,B)),implies(implies(not(A),A),B))).
% 53.35/53.55  17 [hyper,7,1,3] {-} is_a_theorem(implies(implies(not(implies(A,B)),implies(A,B)),implies(implies(B,C),implies(A,C)))).
% 53.35/53.55  21 [hyper,6,1,7] {+} is_a_theorem(implies(implies(not(implies(implies(implies(A,B),implies(C,B)),D)),implies(implies(implies(A,B),implies(C,B)),D)),implies(implies(C,A),D))).
% 53.35/53.55  22 [hyper,6,1,6] {+} is_a_theorem(implies(implies(A,implies(B,C)),implies(implies(D,B),implies(A,implies(D,C))))).
% 53.35/53.55  27 [hyper,6,1,3] {+} is_a_theorem(implies(implies(A,B),implies(implies(implies(A,C),D),implies(implies(B,C),D)))).
% 53.35/53.55  29 [hyper,9,1,6] {-} is_a_theorem(implies(implies(A,not(B)),implies(B,implies(A,C)))).
% 53.35/53.55  34 [hyper,9,1,4] {+} is_a_theorem(implies(A,A)).
% 53.35/53.55  36 [hyper,34,1,5] {+} is_a_theorem(implies(not(implies(A,A)),B)).
% 53.35/53.55  64 [hyper,29,1,9] {-} is_a_theorem(implies(A,implies(B,implies(not(A),C)))).
% 53.35/53.55  69 [hyper,29,1,36] {-} is_a_theorem(implies(A,implies(not(implies(B,B)),C))).
% 53.35/53.55  78 [hyper,64,1,3] {-} is_a_theorem(implies(implies(implies(A,implies(not(B),C)),D),implies(B,D))).
% 53.35/53.55  95 [hyper,69,1,3] {-} is_a_theorem(implies(implies(implies(not(implies(A,A)),B),C),implies(D,C))).
% 53.35/53.55  326 [hyper,95,1,12] {-} is_a_theorem(implies(A,implies(implies(not(B),B),B))).
% 53.35/53.55  343 [hyper,326,1,3] {-} is_a_theorem(implies(implies(implies(implies(not(A),A),A),B),implies(C,B))).
% 53.35/53.55  379 [hyper,343,1,6] {-} is_a_theorem(implies(implies(A,implies(not(B),B)),implies(C,implies(A,B)))).
% 53.35/53.55  408 [hyper,379,1,379] {-} is_a_theorem(implies(A,implies(implies(B,implies(not(C),C)),implies(B,C)))).
% 53.35/53.55  411 [hyper,379,1,78] {-} is_a_theorem(implies(A,implies(B,implies(C,A)))).
% 53.35/53.55  435 [hyper,411,1,379] {+} is_a_theorem(implies(A,implies(B,implies(C,B)))).
% 53.35/53.55  498 [hyper,435,1,17] {+} is_a_theorem(implies(implies(implies(A,B),C),implies(B,C))).
% 53.35/53.55  1632 [hyper,498,1,29] {-} is_a_theorem(implies(not(A),implies(A,implies(B,C)))).
% 53.35/53.55  1659 [hyper,1632,1,3] {-} is_a_theorem(implies(implies(implies(A,implies(B,C)),D),implies(not(A),D))).
% 53.35/53.55  3859 [hyper,1659,1,379] {-} is_a_theorem(implies(not(A),implies(B,implies(A,C)))).
% 53.35/53.55  3891 [hyper,3859,1,379] {-} is_a_theorem(implies(A,implies(not(B),implies(B,C)))).
% 53.35/53.55  3920 [hyper,3891,1,3891] {-} is_a_theorem(implies(not(A),implies(A,B))).
% 53.35/53.55  3952 [hyper,3891,1,17] {-} is_a_theorem(implies(implies(implies(A,B),C),implies(not(A),C))).
% 53.35/53.55  3961 [hyper,3920,1,379] {-} is_a_theorem(implies(A,implies(not(not(B)),B))).
% 53.35/53.55  3972 [hyper,3961,1,3961] {+} is_a_theorem(implies(not(not(A)),A)).
% 53.35/53.55  4019 [hyper,3972,1,27] {+} is_a_theorem(implies(implies(implies(not(not(A)),B),C),implies(implies(A,B),C))).
% 53.35/53.55  4313 [hyper,408,1,21] {-} is_a_theorem(implies(implies(not(A),B),implies(implies(B,A),A))).
% 53.35/53.55  4917 [hyper,4313,1,498] {+} is_a_theorem(implies(A,implies(implies(A,B),B))).
% 53.35/53.55  7955 [hyper,4917,1,22] {+} is_a_theorem(implies(implies(A,implies(B,C)),implies(B,implies(A,C)))).
% 53.35/53.55  7960 [hyper,4917,1,3] {+} is_a_theorem(implies(implies(implies(implies(A,B),B),C),implies(A,C))).
% 53.35/53.55  44573 [hyper,7955,1,4313] {+} is_a_theorem(implies(implies(A,B),implies(implies(not(B),A),B))).
% 53.35/53.55  46278 [hyper,44573,1,3952] {-} is_a_theorem(implies(not(A),implies(implies(not(B),A),B))).
% 53.35/53.55  46465 [hyper,46278,1,7955] {-} is_a_theorem(implies(implies(not(A),B),implies(not(B),A))).
% 53.35/53.55  49250 [hyper,4019,1,46465] {-} is_a_theorem(implies(implies(A,B),implies(not(B),not(A)))).
% 53.35/53.55  49288 [hyper,49250,1,7960] {-} is_a_theorem(implies(A,implies(not(B),not(implies(A,B))))).
% 53.35/53.55  49289 [binary,49288.1,2.1] {-} $F.
% 53.35/53.55  
% 53.35/53.55  % SZS output end Refutation
% 53.35/53.55  ------------ end of proof -------------
% 53.35/53.55  
% 53.35/53.55  
% 53.35/53.55  Search stopped by max_proofs option.
% 53.35/53.55  
% 53.35/53.55  
% 53.35/53.55  Search stopped by max_proofs option.
% 53.35/53.55  
% 53.35/53.55  ============ end of search ============
% 53.35/53.55  
% 53.35/53.55  ----------- soft-scott stats ----------
% 53.35/53.55  
% 53.35/53.55  true clauses given         517      (26.5%)
% 53.35/53.55  false clauses given       1435
% 53.35/53.55  
% 53.35/53.55        FALSE     TRUE
% 53.35/53.55    10  1         0
% 53.35/53.55    12  15        447
% 53.35/53.55    13  379       728
% 53.35/53.55    14  2044      1343
% 53.35/53.55  tot:  2439      2518      (50.8% true)
% 53.35/53.55  
% 53.35/53.55  
% 53.35/53.55  Model 10 [ 2 1 256 ] (0.00 seconds, 250000 Inserts)
% 53.35/53.55  
% 53.35/53.55  That finishes the proof of the theorem.
% 53.35/53.55  
% 53.35/53.55  Process 18649 finished Sat Jul  2 19:50:22 2022
%------------------------------------------------------------------------------