%------------------------------------------------------------------------------
% File : SOS---2.0
% Problem : COM021+4 : TPTP v8.1.0. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : sos-script %s
% Computer : n020.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 : Fri Jul 15 01:43:33 EDT 2022
% Result : Theorem 6.13s 6.38s
% Output : Refutation 6.13s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : COM021+4 : TPTP v8.1.0. Released v4.0.0.
% 0.03/0.13 % Command : sos-script %s
% 0.12/0.34 % Computer : n020.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 : Thu Jun 16 16:58:34 EDT 2022
% 0.12/0.34 % CPUTime :
% 6.13/6.38
% 6.13/6.38 -------- PROOF --------
% 6.13/6.38 % SZS status Unsatisfiable
% 6.13/6.38 % SZS output start Refutation
% 6.13/6.38 ----- Otter 3.2, August 2001 -----
% 6.13/6.38 The process was started by sandbox on n020.cluster.edu,
% 6.13/6.38 Thu Jun 16 16:58:34 2022
% 6.13/6.38 The command was "./sos". The process ID is 14588.
% 6.13/6.38
% 6.13/6.38 set(prolog_style_variables).
% 6.13/6.38 set(auto).
% 6.13/6.38 dependent: set(auto1).
% 6.13/6.38 dependent: set(process_input).
% 6.13/6.38 dependent: clear(print_kept).
% 6.13/6.38 dependent: clear(print_new_demod).
% 6.13/6.38 dependent: clear(print_back_demod).
% 6.13/6.38 dependent: clear(print_back_sub).
% 6.13/6.38 dependent: set(control_memory).
% 6.13/6.38 dependent: assign(max_mem, 12000).
% 6.13/6.38 dependent: assign(pick_given_ratio, 4).
% 6.13/6.38 dependent: assign(stats_level, 1).
% 6.13/6.38 dependent: assign(pick_semantic_ratio, 3).
% 6.13/6.38 dependent: assign(sos_limit, 5000).
% 6.13/6.38 dependent: assign(max_weight, 60).
% 6.13/6.38 clear(print_given).
% 6.13/6.38
% 6.13/6.38 formula_list(usable).
% 6.13/6.38
% 6.13/6.38 SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=13.
% 6.13/6.38
% 6.13/6.38 This ia a non-Horn set with equality. The strategy will be
% 6.13/6.38 Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 6.13/6.38 unit deletion, with positive clauses in sos and nonpositive
% 6.13/6.38 clauses in usable.
% 6.13/6.38
% 6.13/6.38 dependent: set(knuth_bendix).
% 6.13/6.38 dependent: set(para_from).
% 6.13/6.38 dependent: set(para_into).
% 6.13/6.38 dependent: clear(para_from_right).
% 6.13/6.38 dependent: clear(para_into_right).
% 6.13/6.38 dependent: set(para_from_vars).
% 6.13/6.38 dependent: set(eq_units_both_ways).
% 6.13/6.38 dependent: set(dynamic_demod_all).
% 6.13/6.38 dependent: set(dynamic_demod).
% 6.13/6.38 dependent: set(order_eq).
% 6.13/6.38 dependent: set(back_demod).
% 6.13/6.38 dependent: set(lrpo).
% 6.13/6.38 dependent: set(hyper_res).
% 6.13/6.38 dependent: set(unit_deletion).
% 6.13/6.38 dependent: set(factor).
% 6.13/6.38
% 6.13/6.38 ------------> process usable:
% 6.13/6.38 791 back subsumes 661.
% 6.13/6.38 794 back subsumes 664.
% 6.13/6.38 797 back subsumes 667.
% 6.13/6.38 800 back subsumes 670.
% 6.13/6.38 803 back subsumes 673.
% 6.13/6.38 806 back subsumes 676.
% 6.13/6.38 809 back subsumes 679.
% 6.13/6.38 812 back subsumes 682.
% 6.13/6.38 815 back subsumes 685.
% 6.13/6.38 818 back subsumes 688.
% 6.13/6.38 821 back subsumes 691.
% 6.13/6.38 901 back subsumes 868.
% 6.13/6.38 904 back subsumes 871.
% 6.13/6.38 907 back subsumes 874.
% 6.13/6.38 910 back subsumes 877.
% 6.13/6.38 913 back subsumes 880.
% 6.13/6.38 916 back subsumes 883.
% 6.13/6.38 919 back subsumes 886.
% 6.13/6.38 922 back subsumes 889.
% 6.13/6.38 925 back subsumes 892.
% 6.13/6.38 928 back subsumes 895.
% 6.13/6.38 931 back subsumes 898.
% 6.13/6.38 1095 back subsumes 976.
% 6.13/6.38 1098 back subsumes 979.
% 6.13/6.38 1101 back subsumes 982.
% 6.13/6.38 1104 back subsumes 985.
% 6.13/6.38 1107 back subsumes 988.
% 6.13/6.38 1110 back subsumes 991.
% 6.13/6.38 1113 back subsumes 994.
% 6.13/6.38 1116 back subsumes 997.
% 6.13/6.38 1119 back subsumes 1000.
% 6.13/6.38
% 6.13/6.38 ------------> process sos:
% 6.13/6.38
% 6.13/6.38 ----> UNIT CONFLICT at 6.00 sec ----> 1444 [binary,1443.1,543.1] {-} $F.
% 6.13/6.38
% 6.13/6.38 Length of proof is 2. Level of proof is 2.
% 6.13/6.38
% 6.13/6.38 ---------------- PROOF ----------------
% 6.13/6.38 % SZS status Theorem
% 6.13/6.38 % SZS output start Refutation
% 6.13/6.38
% 6.13/6.38 537 [] {-} -aReductOfIn0(A,xd,xR).
% 6.13/6.38 543 [] {-} -sdtmndtasgtdt0(xb,xR,xd).
% 6.13/6.38 1430 [] {-} sdtmndtasgtdt0(xb,xR,xx).
% 6.13/6.38 1433 [] {-} xd=xx|aReductOfIn0(xx,xd,xR)|aReductOfIn0($c9,xd,xR).
% 6.13/6.38 1435,1434 [copy,1433,unit_del,537,537,flip.1] {-} xx=xd.
% 6.13/6.38 1443 [back_demod,1430,demod,1435] {-} sdtmndtasgtdt0(xb,xR,xd).
% 6.13/6.38 1444 [binary,1443.1,543.1] {-} $F.
% 6.13/6.38
% 6.13/6.38 % SZS output end Refutation
% 6.13/6.38 ------------ end of proof -------------
% 6.13/6.38
% 6.13/6.38
% 6.13/6.38 Search stopped by max_proofs option.
% 6.13/6.38
% 6.13/6.38
% 6.13/6.38 Search stopped by max_proofs option.
% 6.13/6.38
% 6.13/6.38 ============ end of search ============
% 6.13/6.38
% 6.13/6.38 That finishes the proof of the theorem.
% 6.13/6.38
% 6.13/6.38 Process 14588 finished Thu Jun 16 16:58:40 2022
%------------------------------------------------------------------------------