%------------------------------------------------------------------------------
% File : SOS---2.0
% Problem : LCL386-1 : TPTP v8.1.0. Released v2.3.0.
% Transfm : none
% Format : tptp:raw
% Command : sos-script %s
% Computer : n012.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 14:29:50 EDT 2022
% Result : Unsatisfiable 18.85s 19.07s
% Output : Refutation 18.85s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : LCL386-1 : TPTP v8.1.0. Released v2.3.0.
% 0.03/0.13 % Command : sos-script %s
% 0.12/0.34 % Computer : n012.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 600
% 0.12/0.34 % DateTime : Sun Jul 3 07:40:31 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 sandbox on n012.cluster.edu,
% 0.12/0.35 Sun Jul 3 07:40:31 2022
% 0.12/0.35 The command was "./sos". The process ID is 14380.
% 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 =======
% 0.19/0.38
% 0.19/0.38 Model 1 (0.00 seconds, 0 Inserts)
% 0.19/0.38
% 0.19/0.38 Stopped by limit on number of solutions
% 0.19/0.38
% 0.19/0.38
% 0.19/0.38 -------------- Softie stats --------------
% 0.19/0.38
% 0.19/0.38 UPDATE_STOP: 300
% 0.19/0.38 SFINDER_TIME_LIMIT: 2
% 0.19/0.38 SHORT_CLAUSE_CUTOFF: 4
% 0.19/0.38 number of clauses in intial UL: 2
% 0.19/0.38 number of clauses initially in problem: 5
% 0.19/0.38 percentage of clauses intially in UL: 40
% 0.19/0.38 percentage of distinct symbols occuring in initial UL: 100
% 0.19/0.38 percent of all initial clauses that are short: 100
% 0.19/0.38 absolute distinct symbol count: 5
% 0.19/0.38 distinct predicate count: 1
% 0.19/0.38 distinct function count: 2
% 0.19/0.38 distinct constant count: 2
% 0.19/0.38
% 0.19/0.38 ---------- no more Softie stats ----------
% 0.19/0.38
% 0.19/0.38
% 0.19/0.38
% 0.19/0.38 =========== start of search ===========
% 4.31/4.52
% 4.31/4.52
% 4.31/4.52 Changing weight limit from 60 to 52.
% 4.31/4.52
% 4.31/4.52 Model 2 (0.00 seconds, 0 Inserts)
% 4.31/4.52
% 4.31/4.52 Stopped by limit on number of solutions
% 4.31/4.52
% 4.31/4.52 Model 3 (0.00 seconds, 0 Inserts)
% 4.31/4.52
% 4.31/4.52 Stopped by limit on number of solutions
% 4.31/4.52
% 4.31/4.52 Model 4 (0.00 seconds, 0 Inserts)
% 4.31/4.52
% 4.31/4.52 Stopped by limit on number of solutions
% 4.31/4.52
% 4.31/4.52 Stopped by limit on insertions
% 4.31/4.52
% 4.31/4.52 Model 5 [ 1 0 59 ] (0.00 seconds, 250000 Inserts)
% 4.31/4.52
% 4.31/4.52 Resetting weight limit to 52 after 145 givens.
% 4.31/4.52
% 11.96/12.15
% 11.96/12.15
% 11.96/12.15 Changing weight limit from 52 to 31.
% 11.96/12.15
% 11.96/12.15 Stopped by limit on insertions
% 11.96/12.15
% 11.96/12.15 Model 6 [ 1 0 121 ] (0.00 seconds, 250000 Inserts)
% 11.96/12.15
% 11.96/12.15 Stopped by limit on insertions
% 11.96/12.15
% 11.96/12.15 Model 7 [ 1 0 92 ] (0.00 seconds, 250000 Inserts)
% 11.96/12.15
% 11.96/12.15 Resetting weight limit to 31 after 210 givens.
% 11.96/12.15
% 13.21/13.39
% 13.21/13.39
% 13.21/13.39 Changing weight limit from 31 to 30.
% 13.21/13.39
% 13.21/13.39 Resetting weight limit to 30 after 305 givens.
% 13.21/13.39
% 13.33/13.51
% 13.33/13.51
% 13.33/13.51 Changing weight limit from 30 to 27.
% 13.33/13.51
% 13.33/13.51 Resetting weight limit to 27 after 310 givens.
% 13.33/13.51
% 13.33/13.54
% 13.33/13.54
% 13.33/13.54 Changing weight limit from 27 to 26.
% 13.33/13.54
% 13.33/13.54 Resetting weight limit to 26 after 315 givens.
% 13.33/13.54
% 13.38/13.60
% 13.38/13.60
% 13.38/13.60 Changing weight limit from 26 to 25.
% 13.38/13.60
% 13.38/13.60 Resetting weight limit to 25 after 320 givens.
% 13.38/13.60
% 13.38/13.64
% 13.38/13.64
% 13.38/13.64 Changing weight limit from 25 to 23.
% 13.38/13.64
% 13.38/13.64 Resetting weight limit to 23 after 325 givens.
% 13.38/13.64
% 13.48/13.67
% 13.48/13.67
% 13.48/13.67 Changing weight limit from 23 to 22.
% 13.48/13.67
% 13.48/13.67 Resetting weight limit to 22 after 330 givens.
% 13.48/13.67
% 13.53/13.74
% 13.53/13.74
% 13.53/13.74 Changing weight limit from 22 to 21.
% 13.53/13.74
% 13.53/13.74 Resetting weight limit to 21 after 335 givens.
% 13.53/13.74
% 13.59/13.81
% 13.59/13.81
% 13.59/13.81 Changing weight limit from 21 to 20.
% 13.59/13.81
% 13.59/13.81 Resetting weight limit to 20 after 345 givens.
% 13.59/13.81
% 17.08/17.25
% 17.08/17.25
% 17.08/17.25 Changing weight limit from 20 to 18.
% 17.08/17.25
% 17.08/17.25 Stopped by limit on insertions
% 17.08/17.25
% 17.08/17.25 Model 8 [ 1 0 393 ] (0.00 seconds, 250000 Inserts)
% 17.08/17.25
% 17.08/17.25 Resetting weight limit to 18 after 375 givens.
% 17.08/17.25
% 17.29/17.47
% 17.29/17.47
% 17.29/17.47 Changing weight limit from 18 to 17.
% 17.29/17.47
% 17.29/17.47 Modelling stopped after 300 given clauses and 0.00 seconds
% 17.29/17.47
% 17.29/17.47
% 17.29/17.47 Resetting weight limit to 17 after 425 givens.
% 17.29/17.47
% 17.79/17.96
% 17.79/17.96
% 17.79/17.96 Changing weight limit from 17 to 16.
% 17.79/17.96
% 17.79/17.96 Resetting weight limit to 16 after 570 givens.
% 17.79/17.96
% 18.30/18.48
% 18.30/18.48
% 18.30/18.48 Changing weight limit from 16 to 15.
% 18.30/18.48
% 18.30/18.48 Resetting weight limit to 15 after 680 givens.
% 18.30/18.48
% 18.85/19.07
% 18.85/19.07 -- HEY sandbox, WE HAVE A PROOF!! --
% 18.85/19.07
% 18.85/19.07 ----> UNIT CONFLICT at 18.55 sec ----> 27546 [binary,27545.1,2.1] {+} $F.
% 18.85/19.07
% 18.85/19.07 Length of proof is 37. Level of proof is 24.
% 18.85/19.07
% 18.85/19.07 ---------------- PROOF ----------------
% 18.85/19.07 % SZS status Unsatisfiable
% 18.85/19.07 % SZS output start Refutation
% 18.85/19.07
% 18.85/19.07 1 [] {+} -is_a_theorem(implies(A,B))| -is_a_theorem(A)|is_a_theorem(B).
% 18.85/19.07 2 [] {+} -is_a_theorem(implies(implies(not(x),y),implies(not(y),x))).
% 18.85/19.07 3 [] {-} is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C)))).
% 18.85/19.07 4 [] {+} is_a_theorem(implies(implies(not(A),A),A)).
% 18.85/19.07 5 [] {+} is_a_theorem(implies(A,implies(not(A),B))).
% 18.85/19.07 6 [hyper,3,1,3] {-} is_a_theorem(implies(implies(implies(implies(A,B),implies(C,B)),D),implies(implies(C,A),D))).
% 18.85/19.07 7 [hyper,4,1,3] {-} is_a_theorem(implies(implies(A,B),implies(implies(not(A),A),B))).
% 18.85/19.07 9 [hyper,5,1,3] {-} is_a_theorem(implies(implies(implies(not(A),B),C),implies(A,C))).
% 18.85/19.07 12 [hyper,7,1,7] {+} is_a_theorem(implies(implies(not(implies(A,B)),implies(A,B)),implies(implies(not(A),A),B))).
% 18.85/19.07 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))).
% 18.85/19.07 22 [hyper,6,1,6] {+} is_a_theorem(implies(implies(A,implies(B,C)),implies(implies(D,B),implies(A,implies(D,C))))).
% 18.85/19.07 28 [hyper,9,1,7] {-} is_a_theorem(implies(implies(not(implies(implies(not(A),B),C)),implies(implies(not(A),B),C)),implies(A,C))).
% 18.85/19.07 29 [hyper,9,1,6] {-} is_a_theorem(implies(implies(A,not(B)),implies(B,implies(A,C)))).
% 18.85/19.07 34 [hyper,9,1,4] {+} is_a_theorem(implies(A,A)).
% 18.85/19.07 40 [hyper,29,1,9] {+} is_a_theorem(implies(A,implies(B,implies(not(A),C)))).
% 18.85/19.07 43 [hyper,29,1,3] {-} is_a_theorem(implies(implies(implies(A,implies(B,C)),D),implies(implies(B,not(A)),D))).
% 18.85/19.07 60 [hyper,40,1,3] {-} is_a_theorem(implies(implies(implies(A,implies(not(B),C)),D),implies(B,D))).
% 18.85/19.07 78 [hyper,60,1,3] {-} is_a_theorem(implies(A,implies(implies(implies(not(A),B),C),implies(D,C)))).
% 18.85/19.07 91 [hyper,78,1,34] {-} is_a_theorem(implies(implies(implies(not(implies(A,A)),B),C),implies(D,C))).
% 18.85/19.07 119 [hyper,91,1,4] {+} is_a_theorem(implies(A,implies(B,B))).
% 18.85/19.07 183 [hyper,119,1,3] {-} is_a_theorem(implies(implies(implies(A,A),B),implies(C,B))).
% 18.85/19.07 184 [hyper,12,1,91] {+} is_a_theorem(implies(A,implies(implies(not(B),B),B))).
% 18.85/19.07 208 [hyper,183,1,3] {-} is_a_theorem(implies(implies(implies(A,B),C),implies(implies(implies(D,D),B),C))).
% 18.85/19.07 280 [hyper,184,1,3] {-} is_a_theorem(implies(implies(implies(implies(not(A),A),A),B),implies(C,B))).
% 18.85/19.07 319 [hyper,280,1,6] {+} is_a_theorem(implies(implies(A,implies(not(B),B)),implies(C,implies(A,B)))).
% 18.85/19.07 4564 [hyper,319,1,43] {-} is_a_theorem(implies(implies(not(A),not(B)),implies(C,implies(B,A)))).
% 18.85/19.07 4607 [hyper,4564,1,319] {-} is_a_theorem(implies(A,implies(implies(not(B),not(C)),implies(C,B)))).
% 18.85/19.07 4700 [hyper,4607,1,4607] {-} is_a_theorem(implies(implies(not(A),not(B)),implies(B,A))).
% 18.85/19.07 4728 [hyper,4607,1,28] {+} is_a_theorem(implies(A,implies(B,A))).
% 18.85/19.07 4746 [hyper,4700,1,208] {-} is_a_theorem(implies(implies(implies(A,A),not(B)),implies(B,C))).
% 18.85/19.07 4805 [hyper,4728,1,3] {+} is_a_theorem(implies(implies(implies(A,B),C),implies(B,C))).
% 18.85/19.07 5966 [hyper,4805,1,4746] {+} is_a_theorem(implies(not(A),implies(A,B))).
% 18.85/19.07 6274 [hyper,5966,1,3] {+} is_a_theorem(implies(implies(implies(A,B),C),implies(not(A),C))).
% 18.85/19.07 21124 [hyper,6274,1,319] {-} is_a_theorem(implies(A,implies(implies(implies(B,C),B),B))).
% 18.85/19.07 21205 [hyper,21124,1,21] {+} is_a_theorem(implies(implies(A,implies(A,B)),implies(A,B))).
% 18.85/19.07 21453 [hyper,21205,1,319] {-} is_a_theorem(implies(implies(A,implies(not(B),B)),implies(A,B))).
% 18.85/19.07 21814 [hyper,21453,1,6] {-} is_a_theorem(implies(implies(not(A),B),implies(implies(B,A),A))).
% 18.85/19.07 22079 [hyper,21814,1,4805] {-} is_a_theorem(implies(A,implies(implies(A,B),B))).
% 18.85/19.07 22348 [hyper,22079,1,22] {-} is_a_theorem(implies(implies(A,implies(B,C)),implies(B,implies(A,C)))).
% 18.85/19.07 26548 [hyper,22348,1,21814] {-} is_a_theorem(implies(implies(A,B),implies(implies(not(B),A),B))).
% 18.85/19.07 27376 [hyper,26548,1,6274] {-} is_a_theorem(implies(not(A),implies(implies(not(B),A),B))).
% 18.85/19.07 27545 [hyper,27376,1,22348] {-} is_a_theorem(implies(implies(not(A),B),implies(not(B),A))).
% 18.85/19.07 27546 [binary,27545.1,2.1] {+} $F.
% 18.85/19.07
% 18.85/19.07 % SZS output end Refutation
% 18.85/19.07 ------------ end of proof -------------
% 18.85/19.07
% 18.85/19.07
% 18.85/19.07 Search stopped by max_proofs option.
% 18.85/19.07
% 18.85/19.07
% 18.85/19.07 Search stopped by max_proofs option.
% 18.85/19.07
% 18.85/19.07 ============ end of search ============
% 18.85/19.07
% 18.85/19.07 ----------- soft-scott stats ----------
% 18.85/19.07
% 18.85/19.07 true clauses given 300 (31.4%)
% 18.85/19.07 false clauses given 655
% 18.85/19.07
% 18.85/19.07 FALSE TRUE
% 18.85/19.07 11 5 52
% 18.85/19.07 12 126 284
% 18.85/19.07 13 747 509
% 18.85/19.07 14 1622 980
% 18.85/19.07 15 0 675
% 18.85/19.07 tot: 2500 2500 (50.0% true)
% 18.85/19.07
% 18.85/19.07
% 18.85/19.07 Model 8 [ 1 0 393 ] (0.00 seconds, 250000 Inserts)
% 18.85/19.07
% 18.85/19.07 That finishes the proof of the theorem.
% 18.85/19.07
% 18.85/19.07 Process 14380 finished Sun Jul 3 07:40:50 2022
%------------------------------------------------------------------------------