TSTP Solution File: SET108-7 by SOS---2.0
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- Process Solution
%------------------------------------------------------------------------------
% File : SOS---2.0
% Problem : SET108-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm : none
% Format : tptp:raw
% Command : sos-script %s
% Computer : n006.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 : Tue Jul 19 05:15:55 EDT 2022
% Result : Unsatisfiable 0.66s 0.87s
% Output : Refutation 0.66s
% Verified :
% SZS Type : -
% Comments :
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : SET108-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.03/0.13 % Command : sos-script %s
% 0.12/0.34 % Computer : n006.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 10 14:23:05 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.21/0.38 ----- Otter 3.2, August 2001 -----
% 0.21/0.38 The process was started by sandbox2 on n006.cluster.edu,
% 0.21/0.38 Sun Jul 10 14:23:06 2022
% 0.21/0.38 The command was "./sos". The process ID is 18797.
% 0.21/0.38
% 0.21/0.38 set(prolog_style_variables).
% 0.21/0.38 set(auto).
% 0.21/0.38 dependent: set(auto1).
% 0.21/0.38 dependent: set(process_input).
% 0.21/0.38 dependent: clear(print_kept).
% 0.21/0.38 dependent: clear(print_new_demod).
% 0.21/0.38 dependent: clear(print_back_demod).
% 0.21/0.38 dependent: clear(print_back_sub).
% 0.21/0.38 dependent: set(control_memory).
% 0.21/0.38 dependent: assign(max_mem, 12000).
% 0.21/0.38 dependent: assign(pick_given_ratio, 4).
% 0.21/0.38 dependent: assign(stats_level, 1).
% 0.21/0.38 dependent: assign(pick_semantic_ratio, 3).
% 0.21/0.38 dependent: assign(sos_limit, 5000).
% 0.21/0.38 dependent: assign(max_weight, 60).
% 0.21/0.38 clear(print_given).
% 0.21/0.38
% 0.21/0.38 list(usable).
% 0.21/0.38
% 0.21/0.38 SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 0.21/0.38
% 0.21/0.38 This ia a non-Horn set with equality. The strategy will be
% 0.21/0.38 Knuth-Bendix, ordered hyper_res, ur_res, factoring, and
% 0.21/0.38 unit deletion, with positive clauses in sos and nonpositive
% 0.21/0.38 clauses in usable.
% 0.21/0.38
% 0.21/0.38 dependent: set(knuth_bendix).
% 0.21/0.38 dependent: set(para_from).
% 0.21/0.38 dependent: set(para_into).
% 0.21/0.38 dependent: clear(para_from_right).
% 0.21/0.38 dependent: clear(para_into_right).
% 0.21/0.38 dependent: set(para_from_vars).
% 0.21/0.38 dependent: set(eq_units_both_ways).
% 0.21/0.38 dependent: set(dynamic_demod_all).
% 0.21/0.38 dependent: set(dynamic_demod).
% 0.21/0.38 dependent: set(order_eq).
% 0.21/0.38 dependent: set(back_demod).
% 0.21/0.38 dependent: set(lrpo).
% 0.21/0.38 dependent: set(hyper_res).
% 0.21/0.38 dependent: set(unit_deletion).
% 0.21/0.38 dependent: set(factor).
% 0.21/0.38
% 0.21/0.38 ------------> process usable:
% 0.21/0.38
% 0.21/0.38 ------------> process sos:
% 0.21/0.38 Following clause subsumed by 108 during input processing: 0 [demod,111] {-} member(unordered_pair(A,A),universal_class).
% 0.21/0.38 Following clause subsumed by 177 during input processing: 0 [copy,177,flip.1] {-} unordered_pair(A,B)=unordered_pair(B,A).
% 0.21/0.38 Following clause subsumed by 215 during input processing: 0 [copy,215,flip.1] {-} A=A.
% 0.21/0.38 215 back subsumes 103.
% 0.21/0.38 215 back subsumes 95.
% 0.21/0.38 Following clause subsumed by 204 during input processing: 0 [copy,246,flip.1] {-} unordered_pair(A,B)=union(unordered_pair(A,A),unordered_pair(B,B)).
% 0.21/0.38
% 0.21/0.38 ======= end of input processing =======
% 0.41/0.63
% 0.41/0.63 Stopped by limit on insertions
% 0.41/0.63
% 0.41/0.63
% 0.41/0.63 Failed to model usable list: disabling FINDER
% 0.41/0.63
% 0.41/0.63
% 0.41/0.63
% 0.41/0.63 -------------- Softie stats --------------
% 0.41/0.63
% 0.41/0.63 UPDATE_STOP: 300
% 0.41/0.63 SFINDER_TIME_LIMIT: 2
% 0.41/0.63 SHORT_CLAUSE_CUTOFF: 4
% 0.41/0.63 number of clauses in intial UL: 69
% 0.41/0.63 number of clauses initially in problem: 180
% 0.41/0.63 percentage of clauses intially in UL: 38
% 0.41/0.63 percentage of distinct symbols occuring in initial UL: 61
% 0.41/0.63 percent of all initial clauses that are short: 100
% 0.41/0.63 absolute distinct symbol count: 52
% 0.41/0.63 distinct predicate count: 10
% 0.41/0.63 distinct function count: 32
% 0.41/0.63 distinct constant count: 10
% 0.41/0.63
% 0.41/0.63 ---------- no more Softie stats ----------
% 0.41/0.63
% 0.41/0.63
% 0.41/0.63
% 0.41/0.63 =========== start of search ===========
% 0.66/0.87
% 0.66/0.87 -------- PROOF --------
% 0.66/0.87 % SZS status Unsatisfiable
% 0.66/0.87 % SZS output start Refutation
% 0.66/0.87
% 0.66/0.87 ----> UNIT CONFLICT at 0.48 sec ----> 5805 [binary,5804.1,214.1] {-} $F.
% 0.66/0.87
% 0.66/0.87 Length of proof is 2. Level of proof is 2.
% 0.66/0.87
% 0.66/0.87 ---------------- PROOF ----------------
% 0.66/0.87 % SZS status Unsatisfiable
% 0.66/0.87 % SZS output start Refutation
% 0.66/0.87
% 0.66/0.87 12 [] {+} -member(A,cross_product(B,C))|ordered_pair(first(A),second(A))=A.
% 0.66/0.87 94 [] {+} -member(ordered_pair(first(ordered_pair(y,z)),second(ordered_pair(y,z))),cross_product(universal_class,universal_class)).
% 0.66/0.87 214 [] {-} member(ordered_pair(y,z),cross_product(universal_class,universal_class)).
% 0.66/0.87 5736,5735 [hyper,214,12] {-} ordered_pair(first(ordered_pair(y,z)),second(ordered_pair(y,z)))=ordered_pair(y,z).
% 0.66/0.87 5804 [back_demod,94,demod,5736] {-} -member(ordered_pair(y,z),cross_product(universal_class,universal_class)).
% 0.66/0.87 5805 [binary,5804.1,214.1] {-} $F.
% 0.66/0.87
% 0.66/0.87 % SZS output end Refutation
% 0.66/0.87 ------------ end of proof -------------
% 0.66/0.87
% 0.66/0.87
% 0.66/0.87 Search stopped by max_proofs option.
% 0.66/0.87
% 0.66/0.87
% 0.66/0.87 Search stopped by max_proofs option.
% 0.66/0.87
% 0.66/0.87 ============ end of search ============
% 0.66/0.87
% 0.66/0.87 That finishes the proof of the theorem.
% 0.66/0.87
% 0.66/0.87 Process 18797 finished Sun Jul 10 14:23:06 2022
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