%------------------------------------------------------------------------------
% File : SOS---2.0
% Problem : SYN637-1 : 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 : Thu Jul 21 12:14:38 EDT 2022
% Result : Unsatisfiable 2.04s 2.24s
% Output : Refutation 2.04s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : SYN637-1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.13 % Command : sos-script %s
% 0.13/0.35 % Computer : n007.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 : Mon Jul 11 20:26:18 EDT 2022
% 0.13/0.35 % CPUTime :
% 0.13/0.37 ----- Otter 3.2, August 2001 -----
% 0.13/0.37 The process was started by sandbox on n007.cluster.edu,
% 0.13/0.37 Mon Jul 11 20:26:18 2022
% 0.13/0.37 The command was "./sos". The process ID is 15702.
% 0.13/0.37
% 0.13/0.37 set(prolog_style_variables).
% 0.13/0.37 set(auto).
% 0.13/0.37 dependent: set(auto1).
% 0.13/0.37 dependent: set(process_input).
% 0.13/0.37 dependent: clear(print_kept).
% 0.13/0.37 dependent: clear(print_new_demod).
% 0.13/0.37 dependent: clear(print_back_demod).
% 0.13/0.37 dependent: clear(print_back_sub).
% 0.13/0.37 dependent: set(control_memory).
% 0.13/0.37 dependent: assign(max_mem, 12000).
% 0.13/0.37 dependent: assign(pick_given_ratio, 4).
% 0.13/0.37 dependent: assign(stats_level, 1).
% 0.13/0.37 dependent: assign(pick_semantic_ratio, 3).
% 0.13/0.37 dependent: assign(sos_limit, 5000).
% 0.13/0.37 dependent: assign(max_weight, 60).
% 0.13/0.37 clear(print_given).
% 0.13/0.37
% 0.13/0.37 list(usable).
% 0.13/0.37
% 0.13/0.37 SCAN INPUT: prop=0, horn=1, equality=0, symmetry=0, max_lits=4.
% 0.13/0.37
% 0.13/0.37 This is a Horn set without equality. The strategy will
% 0.13/0.37 be hyperresolution, with satellites in sos and nuclei
% 0.13/0.37 in usable.
% 0.13/0.37
% 0.13/0.37 dependent: set(hyper_res).
% 0.13/0.37 dependent: clear(order_hyper).
% 0.13/0.37
% 0.13/0.37 ------------> process usable:
% 0.13/0.37
% 0.13/0.37 ------------> process sos:
% 0.13/0.37
% 0.13/0.37 ======= end of input processing =======
% 2.04/2.23
% 2.04/2.23 Stopped by limit on insertions
% 2.04/2.23
% 2.04/2.23 Stopped by limit on insertions
% 2.04/2.23
% 2.04/2.23 Stopped by limit on insertions
% 2.04/2.23
% 2.04/2.23 Stopped by limit on insertions
% 2.04/2.23
% 2.04/2.23 Stopped by limit on insertions
% 2.04/2.23
% 2.04/2.23
% 2.04/2.23 Failed to model usable list: disabling FINDER
% 2.04/2.23
% 2.04/2.23
% 2.04/2.23
% 2.04/2.23 -------------- Softie stats --------------
% 2.04/2.23
% 2.04/2.23 UPDATE_STOP: 300
% 2.04/2.23 SFINDER_TIME_LIMIT: 2
% 2.04/2.23 SHORT_CLAUSE_CUTOFF: 4
% 2.04/2.23 number of clauses in intial UL: 30
% 2.04/2.23 number of clauses initially in problem: 41
% 2.04/2.23 percentage of clauses intially in UL: 73
% 2.04/2.23 percentage of distinct symbols occuring in initial UL: 100
% 2.04/2.23 percent of all initial clauses that are short: 100
% 2.04/2.23 absolute distinct symbol count: 29
% 2.04/2.23 distinct predicate count: 11
% 2.04/2.23 distinct function count: 12
% 2.04/2.23 distinct constant count: 6
% 2.04/2.23
% 2.04/2.23 ---------- no more Softie stats ----------
% 2.04/2.23
% 2.04/2.23
% 2.04/2.23
% 2.04/2.23 =========== start of search ===========
% 2.04/2.24
% 2.04/2.24 -------- PROOF --------
% 2.04/2.24 % SZS status Unsatisfiable
% 2.04/2.24 % SZS output start Refutation
% 2.04/2.24
% 2.04/2.24 ----> UNIT CONFLICT at 1.84 sec ----> 408 [binary,407.1,30.1] {-} $F.
% 2.04/2.24
% 2.04/2.24 Length of proof is 3. Level of proof is 3.
% 2.04/2.24
% 2.04/2.24 ---------------- PROOF ----------------
% 2.04/2.24 % SZS status Unsatisfiable
% 2.04/2.24 % SZS output start Refutation
% 2.04/2.24
% 2.04/2.24 4 [] {+} p4(f16(A),f16(B))| -p4(A,B).
% 2.04/2.24 19 [] {+} p22(A,B)| -p4(C,A)| -p4(D,B)| -p22(C,D).
% 2.04/2.24 23 [] {+} p4(f17(A,B),f17(C,D))| -p4(A,C)| -p4(B,D).
% 2.04/2.24 30 [] {+} -p22(f16(f17(c27,f5(f8(f11(c25),f9(f10(c25),c28)),c26,c29))),f16(f17(c27,f5(c25,c26,c27)))).
% 2.04/2.24 34 [] {-} p4(A,A).
% 2.04/2.24 40 [] {-} p4(f5(f8(f11(c25),f9(f10(c25),c28)),A,c27),f5(f8(f11(c25),f9(f10(c25),c28)),A,c29)).
% 2.04/2.24 41 [] {-} p22(f16(f17(c27,f5(f8(f11(c25),f9(f10(c25),c28)),c26,c27))),f16(f17(c27,f5(c25,c26,c27)))).
% 2.04/2.24 44 [hyper,40,23,34] {-} p4(f17(A,f5(f8(f11(c25),f9(f10(c25),c28)),B,c27)),f17(A,f5(f8(f11(c25),f9(f10(c25),c28)),B,c29))).
% 2.04/2.24 87 [hyper,44,4] {-} p4(f16(f17(A,f5(f8(f11(c25),f9(f10(c25),c28)),B,c27))),f16(f17(A,f5(f8(f11(c25),f9(f10(c25),c28)),B,c29)))).
% 2.04/2.24 407 [hyper,87,19,34,41] {-} p22(f16(f17(c27,f5(f8(f11(c25),f9(f10(c25),c28)),c26,c29))),f16(f17(c27,f5(c25,c26,c27)))).
% 2.04/2.24 408 [binary,407.1,30.1] {-} $F.
% 2.04/2.24
% 2.04/2.24 % SZS output end Refutation
% 2.04/2.24 ------------ end of proof -------------
% 2.04/2.24
% 2.04/2.24
% 2.04/2.24 Search stopped by max_proofs option.
% 2.04/2.24
% 2.04/2.24
% 2.04/2.24 Search stopped by max_proofs option.
% 2.04/2.24
% 2.04/2.24 ============ end of search ============
% 2.04/2.24
% 2.04/2.24 That finishes the proof of the theorem.
% 2.04/2.24
% 2.04/2.24 Process 15702 finished Mon Jul 11 20:26:20 2022
%------------------------------------------------------------------------------