%------------------------------------------------------------------------------
% File : SOS---2.0
% Problem : HWV012-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : sos-script %s
% Computer : n007.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 19:12:36 EDT 2022
% Result : Unsatisfiable 0.76s 1.00s
% Output : Refutation 0.76s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : HWV012-1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.14 % Command : sos-script %s
% 0.14/0.35 % Computer : n007.cluster.edu
% 0.14/0.35 % Model : x86_64 x86_64
% 0.14/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35 % Memory : 8042.1875MB
% 0.14/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35 % CPULimit : 300
% 0.14/0.35 % WCLimit : 600
% 0.14/0.35 % DateTime : Fri Jun 17 02:20:57 EDT 2022
% 0.14/0.35 % CPUTime :
% 0.14/0.38 ----- Otter 3.2, August 2001 -----
% 0.14/0.38 The process was started by sandbox on n007.cluster.edu,
% 0.14/0.38 Fri Jun 17 02:20:57 2022
% 0.14/0.38 The command was "./sos". The process ID is 24801.
% 0.14/0.38
% 0.14/0.38 set(prolog_style_variables).
% 0.14/0.38 set(auto).
% 0.14/0.38 dependent: set(auto1).
% 0.14/0.38 dependent: set(process_input).
% 0.14/0.38 dependent: clear(print_kept).
% 0.14/0.38 dependent: clear(print_new_demod).
% 0.14/0.38 dependent: clear(print_back_demod).
% 0.14/0.38 dependent: clear(print_back_sub).
% 0.14/0.38 dependent: set(control_memory).
% 0.14/0.38 dependent: assign(max_mem, 12000).
% 0.14/0.38 dependent: assign(pick_given_ratio, 4).
% 0.14/0.38 dependent: assign(stats_level, 1).
% 0.14/0.38 dependent: assign(pick_semantic_ratio, 3).
% 0.14/0.38 dependent: assign(sos_limit, 5000).
% 0.14/0.38 dependent: assign(max_weight, 60).
% 0.14/0.38 clear(print_given).
% 0.14/0.38
% 0.14/0.38 list(usable).
% 0.14/0.38
% 0.14/0.38 SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=7.
% 0.14/0.38
% 0.14/0.38 This ia a non-Horn set with equality. The strategy will be
% 0.14/0.38 Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.14/0.38 unit deletion, with positive clauses in sos and nonpositive
% 0.14/0.38 clauses in usable.
% 0.14/0.38
% 0.14/0.38 dependent: set(knuth_bendix).
% 0.14/0.38 dependent: set(para_from).
% 0.14/0.38 dependent: set(para_into).
% 0.14/0.38 dependent: clear(para_from_right).
% 0.14/0.38 dependent: clear(para_into_right).
% 0.14/0.38 dependent: set(para_from_vars).
% 0.14/0.38 dependent: set(eq_units_both_ways).
% 0.14/0.38 dependent: set(dynamic_demod_all).
% 0.14/0.38 dependent: set(dynamic_demod).
% 0.14/0.38 dependent: set(order_eq).
% 0.14/0.38 dependent: set(back_demod).
% 0.14/0.38 dependent: set(lrpo).
% 0.14/0.38 dependent: set(hyper_res).
% 0.14/0.38 dependent: set(unit_deletion).
% 0.14/0.38 dependent: set(factor).
% 0.14/0.38
% 0.14/0.38 ------------> process usable:
% 0.14/0.38
% 0.14/0.38 ------------> process sos:
% 0.14/0.38 Following clause subsumed by 99 during input processing: 0 [copy,89,flip.1] {-} n1=n1.
% 0.14/0.38 Following clause subsumed by 99 during input processing: 0 [copy,99,flip.1] {-} A=A.
% 0.14/0.38 99 back subsumes 89.
% 0.14/0.38
% 0.14/0.38 ======= end of input processing =======
% 0.76/0.95
% 0.76/0.95 Stopped by limit on insertions
% 0.76/0.95
% 0.76/0.95
% 0.76/0.95 Failed to model usable list: disabling FINDER
% 0.76/0.95
% 0.76/0.95
% 0.76/0.95
% 0.76/0.95 -------------- Softie stats --------------
% 0.76/0.95
% 0.76/0.95 UPDATE_STOP: 300
% 0.76/0.95 SFINDER_TIME_LIMIT: 2
% 0.76/0.95 SHORT_CLAUSE_CUTOFF: 4
% 0.76/0.95 number of clauses in intial UL: 80
% 0.76/0.95 number of clauses initially in problem: 95
% 0.76/0.95 percentage of clauses intially in UL: 84
% 0.76/0.95 percentage of distinct symbols occuring in initial UL: 87
% 0.76/0.95 percent of all initial clauses that are short: 100
% 0.76/0.95 absolute distinct symbol count: 24
% 0.76/0.95 distinct predicate count: 13
% 0.76/0.95 distinct function count: 7
% 0.76/0.95 distinct constant count: 4
% 0.76/0.95
% 0.76/0.95 ---------- no more Softie stats ----------
% 0.76/0.95
% 0.76/0.95
% 0.76/0.95
% 0.76/0.95 =========== start of search ===========
% 0.76/1.00
% 0.76/1.00 -------- PROOF --------
% 0.76/1.00 % SZS status Unsatisfiable
% 0.76/1.00 % SZS output start Refutation
% 0.76/1.00
% 0.76/1.00 -----> EMPTY CLAUSE at 0.59 sec ----> 535 [hyper,526,22,98] {-} $F.
% 0.76/1.00
% 0.76/1.00 Length of proof is 4. Level of proof is 4.
% 0.76/1.00
% 0.76/1.00 ---------------- PROOF ----------------
% 0.76/1.00 % SZS status Unsatisfiable
% 0.76/1.00 % SZS output start Refutation
% 0.76/1.00
% 0.76/1.00 22 [] {+} -p_Reset(A)| -p_Wr_error(plus(A,n1)).
% 0.76/1.00 27 [] {+} p_Reset(A)| -p_Wr(A)|p_Rd(A)| -gt(fifo_length,int_level(A))| -p_Wr_error(plus(A,n1)).
% 0.76/1.00 44 [] {+} p_Reset(A)| -p_Wr(A)| -p_Rd(A)| -p_Wr_error(plus(A,n1)).
% 0.76/1.00 91,90 [] {-} level(A)=int_level(A).
% 0.76/1.00 95 [] {-} gt(fifo_length,level(t_139)).
% 0.76/1.00 96 [copy,95,demod,91] {-} gt(fifo_length,int_level(t_139)).
% 0.76/1.00 97 [] {-} p_Wr(t_139).
% 0.76/1.00 98 [] {-} p_Wr_error(plus(t_139,n1)).
% 0.76/1.00 490 [hyper,98,27,97,96] {-} p_Reset(t_139)|p_Rd(t_139).
% 0.76/1.00 517 [hyper,490,22,98] {-} p_Rd(t_139).
% 0.76/1.00 526 [hyper,517,44,97,98] {-} p_Reset(t_139).
% 0.76/1.00 535 [hyper,526,22,98] {-} $F.
% 0.76/1.00
% 0.76/1.00 % SZS output end Refutation
% 0.76/1.00 ------------ end of proof -------------
% 0.76/1.00
% 0.76/1.00
% 0.76/1.00 Search stopped by max_proofs option.
% 0.76/1.00
% 0.76/1.00
% 0.76/1.00 Search stopped by max_proofs option.
% 0.76/1.00
% 0.76/1.00 ============ end of search ============
% 0.76/1.00
% 0.76/1.00 That finishes the proof of the theorem.
% 0.76/1.00
% 0.76/1.00 Process 24801 finished Fri Jun 17 02:20:57 2022
%------------------------------------------------------------------------------